Members of the Science Advisory Committee on Chemicals

The Science Advisory Committee on Chemicals (SACC) provides independent advice on science and technical issues to assist EPA in implementing the Frank R. Lautenberg Chemical Safety for the 21st Century Act. Members of the SACC are appointed by the Administrator of EPA from candidates identified through a public call for nominations. Members serve staggered terms of appointment, generally of two to three years.

On March 22, 2018, the Administrator appointed eight additional members to serve on the SACC. These additional members will increase the balance of scientific perspectives and add experts with experience in labor, public interest, animal protection and chemical manufacturing and processing to the committee. These additional eight members will supplement the 18 expert members that were appointed on January 19, 2017.

Biosketches of current SACC panel members are available below and to download as a PDF.

In December 2018, EPA took comments on the scientific experts nominated to be considered for ad hoc participation and possible membership on the SACC. Learn more in docket EPA-HQ-OPPT-2018-0605 on www.regulations.gov.

Chair

Dr. Kenneth Portier
(Retired) The American Cancer Society
Affiliation: Consulting Biostatistician, Athens, GA (formerly National Cancer Society)

Expertise: Statistical applications in agriculture, natural resources, environmental sciences and environmental health. More recently providing administrative and statistical support on design and analysis of cross-sectional and longitudinal sample surveys, program evaluations, models of cancer mortality and incidence, text mining and GIS in cancer program planning. Specific expertise in statistical aspects of environmental sampling, toxicology, program evaluation, and geographical information systems.

Education: Ph.D., Biostatistics and M.S., Statistics, University of North Carolina-Chapel Hill; B.S., Mathematics, Nicholls State University

Experience Summary: Vice President 2015-2017, Managing Director 2010-2015, Director of Statistics 2006-2010, Statistics and Evaluation Center, Intramural Research Department, American Cancer Society (ACS), Atlanta, GA. Affiliate Professor of Biostatistics, School of Public Health, Emory University, 2006-2017. Assistant Research Scientist 1979-1981, Assistant Professor 1981-1986, Associate Professor 1986-2006, Experiment Station Statistician 1979-2006, Institute of Food and Agricultural Sciences and College of Agriculture, University of Florida, Gainesville. Courtesy faculty, 2001-present, Center for Environmental and Human Toxicology, College of Veterinary Medicine, University of Florida, Gainesville.

Dr. Portier's research interests include statistical issues in environmental and human health risk assessment, applied statistical methods, multivariate data analysis, data and text mining, GIS applications in environmental and public health, use of technology in the learning of statistics, survey methodology including data imputation.

Panel Experience: Dr. Portier has participated in over 60 EPA FIFRA Scientific Advisory Panel meetings (1999 to 2013) and five EPA Science Advisory Board Review Panels (2012 to 2015). In addition, Dr. Portier served on expert and advisory panels for the National Institutes of Health (NIH), National Institute of Environmental Health Sciences (NIEHS), National Toxicology Program (NTP), and the World Health Organization Food and Agriculture Organization (WHO/FAO). Other panels Dr. Portier served on include: NIH/NIEHS, Breast Cancer & Environmental Research Coordinating Committee (2010-2012); World Health Organization, Expert Panel, Toxicological and Health Aspects of Bisphenol A. (2010); American Statistical Association, Section on Risk (2010); NTP/NIEHS/NIH Board of Scientific Concilors (2007-2009, Chair (2009); NTP/NIEHS/NIH, Center for the Evaluation of Risks to Human Reproduction, Expert Panel (2003 and 2008); Biometric Society (ENAR & WNAR) representative to the Ag and Life Sciences Committee of the AAAS (2005-2007). Dr. Portier previously served as Chair on the Peer Review Advisory Panel for the Chemical Safety Advisory Committee (CSAC) (2016) and as Chair on the Toxic Substances Control Act (TSCA), Draft Risk Assessment Work Plan Chemical for 1-Bromopropane (2016).

Members (Appointed January 2017)

Dr. Henry Anderson
University of Wisconsin-Madison
Affiliation: University of Wisconsin-Madison, Madison, WI

Expertise: Disease and exposure surveillance systems; cancer and chronic disease epidemiology; reproductive and endocrine health hazards; drinking water contaminants; pesticides and dietary risk assessment including sport fish consumption advisory communication

Education: M.D., University of Wisconsin-Madison

Experience Summary: Dr. Henry Anderson holds adjunct professorships at the University of Wisconsin- Madison, School of Medicine and Public Health, Department of Population Health Sciences, and the University of Wisconsin Institute for Environmental Studies, Center for Human Studies. He recently retired from his positions as Wisconsin State Environmental and Occupational Disease Epidemiologist, and Chief Medical Officer in the Wisconsin Division of Public Health, Department of Health Services. Dr. Anderson is also board-certified by the American Board of Preventive Medicine with sub-specialty in Occupational and Environmental Medicine and is a fellow of the American College of Epidemiology. His primary research interests include disease and exposure surveillance systems, cancer and chronic disease epidemiology, reproductive and endocrine health hazards, drinking water contaminants, pesticides and dietary risk assessment, including sport fish consumption advisory communication and risk assessment for communities.

Panel Experience: Dr. Anderson previously served on five National Academies of Science Committees including Toxicity Testing for Assessment of Environmental Agents (2004-2007), the Presidential Advisory Board on Radiation Worker Compensation (2001-2006) and the United States Environmental Protection Agency’s (U.S. EPA) National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances (2006-2012). He is also the former chair of the U.S. EPA Science Advisory Board’s Environmental Health Committee (2001-2003) and was also former chair of the Board of Scientific Councilors for the National Institute of Occupational Safety and Health (1982-1988).
Dr. James Bruckner
University of Georgia
Affiliation: University of Georgia, Athens, GA

Expertise: Toxicology and toxicokinetics of volatile organic compounds (VOCs); drug-chemical interactions at environmental exposure levels; metabolic and toxicokinetic bases for susceptibility of children to chemicals; and physiologically-based pharmacokinetics (PBPK) modeling of pyrethroid insecticides.

Education: Ph.D., Toxicology, University of Michigan; M.S., Toxicology, University of Texas at Austin; B.S., Pharmacy, University of Texas at Austin

Experience Summary: Dr. James Bruckner is currently a professor at the University of Georgia (UGA) College of Pharmacy. His primary research focus is the toxicology and toxicokinetics of volatile organic compounds (VOCs), drug-chemical interactions at environmental exposure levels, metabolic and toxicokinetic bases for susceptibility of children to chemicals, and physiological modeling of pyrethroid insecticides.

Panel Experience: Dr. Bruckner has served on a variety of expert panels and committees for the United States Environmental Protection Agency (U.S. EPA), National Institute of Environmental Health Sciences (NIEHS), National Aeronautics and Space Administration (NASA), U.S. Air Force, Agency for Toxic Substances and Disease Registry, Center for Disease Control and Prevention (ATSDR/CDC), Food and Drug Administration (FDA), and the National Academy of Sciences (NAS). He has also served on the Chlorpyrifos PBPK-PD Modeling Linked to CARES (February 15-17, 2011) and the Organophosphate Pesticides: Preliminary OP Cumulative Risk Assessment (February 5, 2002). The National Academy of Sciences (NAS) appointments have included the Committees on Safe Drinking Water (1983-1985); Member of the Committee on Pesticides in the Diets of Infants and Children (1988-1994); Health and Safety Consequences of Child Labor 9 1997-1998); and the Committee on Toxicology (2004-2007). Dr. Bruckner has also served on the editorial boards of Toxicology and Applied Pharmacology (1984-1989), Journal of Toxicology and Environmental Health (1984-1992); Toxicology (1980-1986), Chemosphere (1979-1984), and the International Journal of Toxicology (2003- present).
Dr. Deborah Cory-Slechta
University of Rochester
Affiliation: University of Rochester Medical School, Rochester, NY

Expertise: Development of animal models of behavioral toxicology that better simulate the context of the human environment, including assessment of behavioral consequences of the interactions of lead with prenatal stress, and with early behavioral adversity; as well as studies of the impact of air pollution on brain development and behavior; neurotoxicology, pathology, and psychology.

Education: Ph.D., Psychology/Pharmacology, University of Minnesota; M.A./B.S., Psychology, Western Michigan University

Experience Summary: Dr. Deborah Cory-Slechta is a professor of Environmental Medicine, Pediatrics and Public Health Sciences at the University of Rochester Medical School and Acting Chair of the Department of Environmental Medicine and Principal Investigator (PI) of its National Institute of Environmental Health Sciences (NIEHS) Core Center Grant. She has also previously served as Dean for Research at the University of Rochester Medical School and as Director of the Environmental and Occupational Health Sciences Institute of Rutgers University. Her research includes both animal models and human studies where she has focused largely on the behavioral consequences of developmental exposures to environmental chemicals.

Panel Experience: Dr. Cory-Slechta has served on numerous advisory panels, including those of the National Institutes of Health (NIH) [2002-2006; 2008-2010; 2017-present], the Food and Drug Administration (FDA) [1988, 2004], the United States Environmental Protection Agency (U.S. EPA) [2002-present]; the National Academy of Sciences (NAS) [2007-2008, 2013-2017], the Institute of Medicine (IOM) [2016-2017], and the Agency for Toxic Substances and Disease Registry (ATSDR) [2006-2013; 2015-present]. She currently serves on the Board of Scientific Counselors of ATSDR (2015-present). She has also served on the U.S. EPA’s Science Advisory Board (2003-2010) and the Chemical Assessment Advisory Committee (2012-present) as well as formerly serving as Chair of the Scientific and Technological Achievement Awards (STAA) Committee of EPA (2002-2005). Dr. Cory-Slechta has also served as Chair of NAS/National Research Council (NRC)/IOM committees (2007-2008; 2014-2016) and on the Committee on Toxicology of the NAS/National Research Council (2011-2017).
Dr. Holly Davies
King County Local Hazardous Waste Management Program
Affiliation: King County Local Hazardous Waste Management Program, Seattle, WA

Expertise: Sustainability, human health and ecological risk assessments; scientific studies supporting state chemical policy

Education: Ph.D., Genetics, University of Washington; B.S., Biology, Cornell University

Experience Summary: Dr. Holly Davies is an experienced professional in chemical policy, scientific research, and teaching. Her previous employment with the Washington State, Department of Ecology was focused on Chemical Action Plans to identify, characterize, and evaluate all uses and releases of specific persistent, bioaccumulative, and toxic chemicals (PBT) or groups of PBTs followed by a suite of recommended actions needed to protect human health and the environment. Dr. Davies is a member of the Society of Environmental Toxicology and Chemistry, and actively participates in the Children's Environmental Health Working Group within the Washington Chapter of the Collaborative on Health and the Environment. Her postdoctoral research (2000-2004) is on mammalian reproduction and development, transcription factors, and genomics.

Panel Experience: Dr. Davies has served on the Peer Review of the Draft Risk Assessment for Toxic Substances Control Act (TSCA) Work Plan Chemical 1-Bromopropane (CASRN-106-94-5) [May 24-25, 2016] advisory panel and on the Chemical Safety Advisory Committee (CSAC) Orientation Session on Toxic Substances Control Act (TSCA) [May 11, 2016] advisory committee.
Dr. William Doucette
Utah State University
Affiliation: Utah State University, Logan, UT

Expertise: Ecological risk assessment; fate and behavior of organic contaminants in the environment.

Education: Ph.D., Aquatic Chemistry; B.S./M.S., Chemistry, University of Wisconsin-Madison

Experience Summary: Dr. William Doucette is a professor in the Department of Civil and Environmental Engineering at Utah State University (USU), and serves as the Associate Director of the Utah Water Research Laboratory. He is also a faculty member in the Toxicology Graduate Program and an Adjunct Professor (concurrently) in the Chemistry and Biochemistry and Geology Departments. Dr. Doucette’s research focuses on the fate and behavior of organic contaminants in the environment with emphasis on phytoremediation, the uptake of industrial chemicals into plants, the measurement and prediction of physical-chemical properties using Quantitative Structure Property Relationships (QSPRs), emission of chlorinated solvents into indoor air, and the environmental fate of pharmaceuticals.

Panel Experience: Dr. Doucette has served on numerous advisory panels [U.S. Environmental Protection Agency Chemical Safety Advisory Committee (CSAC) [May 2016]; International Life Sciences Institute (ILSI) Health and Environmental Sciences Institute (HESI) Bioaccumulation Project Committee Workshop on Terrestrial Bioaccumulation (January 8-10, 2013); National Institutes of Health (NIH), National Institute of Environmental Health Sciences (NIEHS) Proposal Review Panel, Superfund Research Program, P42 (November 1-2, 2012); State of Utah Solid and Hazardous Waste Control Board (1998-2007); National Institute of Environmental Health Sciences (NIEHS) Proposal Review Panel, Innovative Approaches to Remediation of Recalcitrant Hazardous Substances in Sediments (June 5-6, 2007); University of Wisconsin (UW) Sea Grant Peer Review Panel (August 7-8, 2007); EPA Science Advisory Board, EPI Suite Review Panel (March 7-9, 2006); CATABOL Review Panel (February 21-23, 2006); University of Wisconsin (UW) Sea Grant Peer Review Panel (August 19-20, 2003); Department of Energy (DOE)/ National Science Foundation (NSF) Peer Review Panel, Phytoremediation (April 1-2, 2003); EPA Peer Review Panel, Environmental Chemistry (Oct. 18-20, 1999); EPA Peer Review Panel, Small Business Innovation Research Phase 1 (January 26-29, 1999); EPA Peer Review Panel, Small Business Innovation Research Phase 1 (January 26-29, 1998); EPA Peer Review Panel, Environmental Chemistry (May 5-7, 1996); and EPA Peer Review Panel, Chemistry and Physics of Water and Soil (December 15-18,1990)].
Dr. Panos Georgopoulos
Rutgers, the State University
Affiliation: Rutgers, the State University of New Jersey, Piscataway, NJ

Expertise: Environmental chemistry/transport and exposure (including susceptible life stages and subpopulations); computational biology of exposure; physiologically-based pharmacokinetics (PBPK) modeling; informatics for environmental health applications

Education: Ph.D./M.S., Chemical Engineering, California Institute of Technology (Caltech); Dipl.-Ing., Engineering, National Technical University of Athens

Experience Summary: Dr. Panos Georgopoulos is a professor in the Department of Environmental and Occupational Health Sciences Institute (EOHSI) at Rutgers Biomedical and Health Sciences, School of Public Health with a joint appointment in the Department of Pharmacology, Rutgers R. W. Johnson Medical School. Dr. Georgopoulos’ research and teaching activities at Rutgers include development and implementation of innovative methods for high-content to high-throughput environmental risk analysis and informatics. He currently serves as President of the Tri-State Chapter (NY-NJ-PA) of the International Society of Exposure Science (ISES). Since 1989, he has served on the faculty of Robert Wood Johnson Medical School and on the Graduate Faculties of Chemical & Biochemical Engineering, of Biomedical Engineering, and of Environmental Sciences at Rutgers University. As a member of the EOHSI, he directs the Informatics and Computational Toxicology Core of the National Institute of Environmental Health Sciences (NIEHS) Center for Environmental Exposures and Disease (CEED). At EOHSI, he established and directs the Computational Chemodynamics Laboratory (CCL), a high-performance scientific computing facility for informatics and modeling of environmental and biological systems.

Panel Experience: Dr. Georgopoulos has served on numerous national and international advisory committees and panels. From the past five years (2013-2017) they are Centers for Disease Control and Prevention (CDC)/Agency for Toxic Substances and Disease Registry (ATSDR) Peer Review Panel for Modeling Guidance on Indoor Water (2017); U.S. EPA Peer Review Panel for Lead in Drinking Water (2017); External Advisory Board of the Mount Sinai Transdisciplinary Center on Early Environmental Exposures, Icahn School of Medicine at Mount Sinai (2016-present); U.S. EPA Chemical Safety Advisory Committee (CSAC) (2015-2016); US-Israel Binational Science Foundation Grant Review Panel (2016); U.S. EPA Federal Insecticide, Fungicide, and Rodenticide Act Scientific Advisory Panel (FIFRA SAP) (2014-2015); U.S. EPA Technical Approach for Lead External Peer Review Committee (2014-2015); U.S. EPA Air, Climate and Energy (ACE) Centers Review Panel (2014); Danish Agency for Science, Technology and Innovation Grant Review Panel (2014); U.S. EPA National Health and Environmental Effects Research Laboratory (NHEERL) Technical Qualifications Board (TQB) External Panel Member (2014); Environment and Health Fund (EHF- Israel) Pilot Research Grants Review Panel (2014); EU Tiered Aggregate Exposure Assessment (TAGS) Project Advisory Board (2014-2015); U.S EPA Chartered Clean Air Advisory Committee (CASAC) NOx Science Advisory Board (SAB) (2013-2015); National Institutes of Health (NIH) Tobacco Centers of Regulatory Science (TCORS) Peer Review Committee (2013); and U.S. Food and Drug Administration (FDA) Review Panel for the iRisk Comparative Risk Assessment Tool (2013).
Dr. Kathleen Gilbert
University of Arkansas for Medical Sciences
Affiliation: University of Arkansas for Medical Sciences, Little Rock, AR; and Colorado State University, Fort Collins, CO

Expertise: Toxicology; immunology; pathology; and links between toxicant exposure and autoimmune disease

Education: Ph.D., Tulane University

Experience Summary: Dr. Kathleen Gilbert is a professor in the Department of Microbiology and Immunology at the University of Arkansas for Medical Sciences, and is based in the Arkansas Children’s Hospital Research Institute. She has worked for over 30 years as an Immunologist and Immunotoxicologist. Dr. Gilbert has served as the Director of the Arkansas Center for Environmental Exposure Research (ACEER) since its inception in 2002. Her broad-based expertise is underlined by the fact that Dr. Gilbert’s environmental research has focused on how chronic exposure to low concentrations of immunotoxicants such as chlorinated solvents (e.g. trichloroethylene or heavy metals) can trigger autoimmune diseases.

Panel Experience: Dr. Gilbert has served on several advisory panels for the EPA and the National Toxicology Program concerning the impact of chlorinated solvents as triggers of autoimmune disease and other types of toxicity. This includes participation on expert panel that reviewed EPA Toxic Substances Control Act (TSCA) Workplan Chemical Risk Assessment for Trichloroethylene: Degreaser and Arts/Crafts Uses (2013) and Environmental Protection Agency Chemical Safety Advisory Committee (CSAC) [May 2016] review of 1-Bromopropane (2016). She also served on a TCE Information Group tasked with assisting the NTP Office of the Report on Carcinogens as they considered a possible change in listing status for TCE in the Report on Carcinogens (2014). As part of her career in research Dr. Gilbert has also served on National Institutes of Health (NIH) review panels for Digestive, Kidney, and Urological Systems; Immunology; Microbiology and Infectious Diseases; and Superfund Basic Research (2007-2016) and the EPA’s Chemical Safety Advisory Committee (CSAC) (2016).
Dr. Concepcion Jimenez-Gonzalez
GlaxoSmithKline
Affiliation: GlaxoSmithKline, Research Triangle Park, NC

Expertise: Green chemistry and engineering; chemistry and exposure; sustainability and environmental health and safety; chemical engineering and new product development

Education: Ph.D., Chemical Engineering (Fulbright Scholar), North Carolina State University; RaMBA, North Carolina State University; MS, Environmental Engineering, ITESM, Monterrey, Mexico; BS, Chemical and Industrial Engineering, CIT, Mexico

Experience Summary: Dr. Concepcion Jimenez-Gonzalez is the Graduate Program Lead for Global Manufacturing and Supply at GlaxoSmithKline (GSK). Prior to this position, she served as Director of New Product Development, Director of Operational Sustainability, and Director of Engagement, Planning, Analysis and Reporting. She also previously served as Manager of New Product Support. Prior to working at GSK, Dr. Jimenez-Gonzalez worked as an Environmental Engineer for Geo Environmental Consultants, Inc. She was also employed as a Program Manager, Researcher, and Project Engineer at ITESM in Mexico. During the same timeframe, she was a visiting professor at Pfizer (2001). In addition to working for GSK, Dr. Jimenez-Gonzalez is an Adjunct Professor at North Carolina State University in the Chemical and Biomolecular Engineering Department. Dr. Jimenez-Gonzalez research interests cover sustainability, environment, health, and safety, sustainability analytics, life cycle assessment, risk assessment. She has dozens of technical publications and international presentations on these topics, including two co-authored books.

Panel Experience: Dr. Jimenez-Gonzalez serves on the Governing Board of the American Chemistry Society’s Green Chemistry Institute (2011-present) and on the Environmental Genome Initiative (2017-present). She has also served as a U.S. EPA Reviewer for Grants and Judge in competitions (SBIR, STAR, P3) [since 2002]; as a Member of U.S. EPA's Board of Scientific Counselors (2006-2008); and as a Co-chair of the American Chemical Society Green Chemistry Institute Pharmaceutical Roundtable (2010-2012).
Alan Kaufman
Toy Industry Association
Affiliation: Toy Industry Association, Inc., New York, NY

Expertise: Chemistry and exposure (including susceptible life stages and subpopulations); development and implementation of technical policies and strategies relating to toy safety, the environment, supply chain issues, and factory processes.

Education: Bachelor’s Degree (biology, with Organic Chemistry minor), University of California, Los Angeles

Experience Summary: Alan Kaufman is a toy industry expert with more than 35 years of experience addressing product safety, quality assurance, regulatory compliance and product testing issues for toy companies and retailers.

Prior to joining the Toy Industry Association (TIA), Mr. Kaufman was Vice President for Global Product Safety and Regulatory Affairs at Toys “R” Us, Inc. He spent more than a decade directing production, sourcing and technical services within the Walt Disney Company and its affiliated companies. Earlier in his career, he held technical and production positions at a number of toy manufacturers, including Mattel, Knickerbocker and Coleco.

As part of the External Affairs Team, Mr. Kaufman leads the continuing development and implementation of technical policies and strategies relating to toy safety, the environment, supply chain issues, factory processes and other related matters.

Mr. Kaufman is a member of the Board of Directors of the International Consumer Product Health and Safety Organization (ICPHSO). He is also a member of the executive board of American Society for Testing and Materials (ASTM) International Committee F15 for Consumer Products and is active on many of its subcommittees, responsible for toy and juvenile product safety standards.

Panel Experience: N/A
Dr. John Kissel
(Retired) University of Washington
Affiliation: University of Washington (Retired), Seattle, WA

Expertise: Chemistry, human exposure (including susceptible life stages and subpopulations) to environmental contaminants

Education: Ph.D., Civil Engineering, Stanford University, S.M., Environmental Engineering, Harvard University, B.S., Civil Engineering, University of Notre Dame

Experience Summary: Dr. John Kissel is Professor Emeritus of Environmental and Occupational Health Sciences at the University of Washington in Seattle, where he was a member of the faculty since 1990. He held a prior position in the School of Public and Environmental Affairs at Indiana University. He is a registered Professional Engineer who was previously employed as a process engineer at Black and Veatch Engineers located in Kansas City, MO.

Dr. Kissel’ s former research interests involved human exposure assessment with emphasis on exposures related to waste management, agricultural and residential use of pesticides, and consumer products. He also conducted research in probabilistic prediction of aggregate exposure and reconciliation of model predictions with observed biomarker data. Dr. Kissel is a former President of the International Society of Exposure Science.

Panel Experience: Dr. Kissel served one term as Chair of the Exposure Assessment Specialty Group within the Society for Risk Analysis (1995-1996), on two National Academy of Sciences Committees (2004 - 2005 and 2014 - 2015), on nine USEPA FIFRA Science Advisory Panels (1998 - 2010), and on EPA's Human Studies Review Board (2014 - 2015).
Dr. Melanie Marty
(Retired) California Environmental Protection Agency
Affiliation: California Environmental Protection Agency (Retired), Oakland, CA and Adjunct Associate Professor, University of California-Davis

Expertise: Human health risk assessment, and risk assessment of environmental contaminants

Education: Ph.D., Pharmacology and Toxicology, University of California, Davis; A.B., Biological Sciences, University of California, Berkeley

Experience Summary: Dr. Melanie Marty recently retired from her position as Acting Deputy Director for the Science Division at the Office of Environmental Health Hazard Assessment (OEHHA), California Environmental Protection Agency where she oversaw the scientific activities of the division.

Dr. Marty previously served as Assistant Deputy Director, and Chief of the Air Toxicology and Epidemiology Branch. Her work has largely been in risk assessment of environmental contaminants, including developing guidance to adequately address susceptible subpopulations such as children.

Dr. Marty is also an Adjunct Associate Professor at the University of California-Davis, in the Department of Environmental Toxicology, where she teaches a course on risk assessment of toxicants and contributes to other teaching activities.

Panel Experience: Dr. Marty served on the United States Environmental Protection Agency’s peer review committees, including review of the Framework for Assessment Health Risks to Children (2005), and Supplemental Guidance to Assessing Early-Life Exposure to Carcinogens (2003). Dr. Marty served as Chair of the EPA Children’s Health Protection Advisory Committee (2002 to 2009). Additional experience includes serving as a member of EPA’s Chemical Assessment Advisory Committee (2017) and as a member of the South Coast Air Quality Management District Clean Fuels Advisory Committee for 15 years. Dr. Marty previously served on the Peer Review Advisory Panels for the Chemical Safety Advisory Committee (CSAC) (2016) and the Toxic Substances Control Act (TSCA), Draft Risk Assessment Work Plan Chemical for 1-Bromopropane (2016).
Dr. Craig Rowlands
Underwriters Laboratories, LLC
Affiliation: Underwriters Laboratories (UL), LLC, Northbrook, IL

Expertise: Human health risk assessment, molecular biology, systems biology, toxicology applications to chemical risk assessments, sustainability and toxicant modes of action.

Education: Ph.D., Toxicology, and. B.S., Biochemistry, Texas A&M University

Experience Summary: Dr. Craig Rowlands is a Senior Toxicologist with UL Supply Chain and Sustainability where he provides leadership in the development of new approaches and capabilities for safety assessments of chemicals and consumer products. He is an expert in navigating regulatory compliance for new substances and products through delivery of the appropriate safety data and risk assessments.

His research focuses on systems biology and toxicology applications to chemical risk assessments, sustainability and toxicant modes of action. He is an Adjunct Professor of Toxicology at Michigan State University, Diplomate of the American Board of Toxicology, and a Fellow of the American College of Nutrition.

Prior to his tenure at Underwriters Laboratories, Dr. Rowlands was employed with the Toxicology and Environmental Research & Consulting program at Dow Chemical Company, where he practiced chemical risk assessment and led the development of new approaches to risk assessment policy and practices on the application of 21st century non-animal toxicity testing methods.

Panel Experience: Dr. Rowlands serves on the Society of Toxicology, Current Concepts in Toxicology Committee [2015-Present]; Co-chair, American Chemistry Council, Public Health and Science Policy Sub-team, Science Integrity and Risk Assessment Working Group [2009 - Present], Steering Committee, International Life Sciences Institute, Health and Environmental Sciences Institute, Risk21 Project [2010 - Present]; Co-chair, International Life Sciences Institute, Health and Environmental Sciences Institute, Risk21 Project, Dose-Response sub-team [2010 - Present]; Co-chair, International Life Sciences Institute, Health and Environmental Sciences Institute, Non-Animal Alternatives Framework Project [2014 - Present].
Dr. Sheela Sathyanarayana
University of Washington
Affiliation: Seattle Children's Research Institute, Seattle, WA

Expertise: Pediatrics, epidemiology, pediatric environmental health, exposures to endocrine-disrupting chemicals, including phthalates and bisphenol A and their impact on reproductive development

Education: M.D., University of Southern California School of Medicine; MPH, Epidemiology, University of Washington; B.A., Environmental Science & Policy/Philosophy, Duke University

Experience Summary: Dr. Sheela Sathyanarayana is an Associate Professor of Pediatrics and Adjunct Associate Professor within the Department of Environmental and Occupational Health Sciences at the University of Washington. She is the medical director of the University of Washington Newborn Nursery.

Her research interests focus on exposures to endocrine-disrupting chemicals, including phthalates and bisphenol A and their impact on reproductive and child health development.

Panel Experience: Dr. Sathyanarayana previously served as Chair of the United States Environmental Protection Agency’s Children’s Health Protection Advisory Committee (2013 – 2015), and Co-Chair (2012 - 2013); US Environmental Protection Agency, Science Advisory Board (SAB) (2013 – 2015); the National Academies of Sciences Committee on Endocrine-Disrupting Chemicals and Low Dose Toxicity (2015 – 2017); Centers for Disease Control and Prevention, World Trade Center Health Program Scientific/Technical Advisory Committee (2016 – present).
Dr. Valentine Schaeffer
U.S. Occupational Safety and Health Administration
Affiliation: U.S. Occupational Safety and Health Administration, Washington, DC

Expertise: Human health risk assessment, permissible exposure limits for chemical hazards, rulemakings for beryllium, silica, and hexavalent chromium

Education: Ph.D., Biochemical Toxicology, Johns Hopkins School of Hygiene and Public Health; M.S., Nutritional Sciences, UCLA School of Public Health; B.A., Chemistry, University of California, San Diego

Experience Summary: Dr. Valentine Schaeffer works as a Health Scientist in the Directorate of Standards and Guidance at the U.S. Occupational Safety and Health Administration (OSHA), where he directs preparation of health risk assessments to support occupational health standards.

His duties also involve development of OSHA scientific policy and the coordination of OSHA health science activities with other Federal agencies and professional organizations and liaison with the National Toxicology Program. Project areas include updating permissible exposure limits for chemical hazards; rulemakings for beryllium, silica, and hexavalent chromium; and liaison with the National Toxicology Program.

Prior to working at OSHA, Dr. Schaeffer was a Health Scientist at the Consumer Product Safety Commission, responsible for evaluating human health risk from exposure to chemicals in consumer products.

Panel Experience: Dr. Schaeffer has served on the National Science and Technology Council (NSTC)Toxics and Risk Subcommittee (2011-2018); US Environmental Protection Agency (EPA) IRIS Interagency Workgroup (2008-2014); Peer Review Panel for the National Institute of Occupational Safety and Health (NIOSH) Risk Evaluation Program (2011); US Delegation for the Global Risk Dialogue, Brussels Belgium (2011); NSTC Nanotechnology Environment and Health Implications (NEHI) Workgroup of the Nanotechnology Science Engineering and Technology (NSET) Subcommittee (2004-2006); NIOSH National Occupational Research Agenda (NORA) Risk Assessment Methodology Team (1999-2006); National Cancer Institute (NCI) Chemical Selection Workgroup (1998-2004); EPA Interagency Testing Committee (1992-2003 – Chairman, 2000-2001); EPA/OPPTS Carpet Policy Dialogue Product Testing Subgroup (1990-1991); EPA/OHEA Interagency Pharmacokinetic Group (1990-1992).
Dr. Daniel Schlenk
University of California-Riverside
Affiliation: University of California, Riverside, CA

Expertise: Understanding the biochemical factors that influence susceptibility to environmental and natural chemicals, aquatic organisms, metabolism, mode of action analysis, and ecological risk assessment

Education: Ph.D., Biochemical Toxicology, Oregon State University; B.S., Toxicology, Northeast Louisiana University

Experience Summary: Dr. Daniel Schlenk is Professor of Aquatic Ecotoxicology and Environmental Toxicology at the University of California-Riverside. He is a Fellow of the American Association for the Advancement of Science, and from 2007-2014, he was a permanent member of the US EPA Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) Science Advisory Panel of which he chaired from 2012-2014.

From 2003-2006, Dr. Schlenk was a member of the Board of Directors for the North American Society of Environmental Toxicology and Chemistry. His research interests focus on mechanisms of action of pesticides, PAHs, and emerging compounds in aquatic organisms.

Panel Experience: Dr. Schlenk’s experience on Federal panels includes: Chair US EPA FIFRA Science Advisory Panel (2012-2014); Permanent Member US EPA FIFRA Science Advisory Panel (2007-2012); USEPA Chemical Safety Advisory Committee (CSAC) (2016) and the Toxic Substances Control Act (TSCA), Draft Risk Assessment Work Plan Chemical for 1-Bromopropane (2016); US EPA Science Advisory Committee on Chemicals (2017-present); Ad hoc reviewer National Institute of Environmental Health Sciences (NIEHS) Freshwater Biomedical Centers (1996); US Department of Agriculture (1997-2000) and National Science Foundation (1996-present); National Oceanic and Atmospheric Administration (NOAA) Oceans and Human Health Initiative Grant Review Panel (2005); US EPA Endocrine Disrupter Mixtures Grant Review Panel (2005); US EPA Science Advisory Board, Aquatic Life Criteria Guidelines (2005); NIEHS P30 Core-Center Applications (2008); and NIEHS Superfund Research Program P42 Center Applications (2016). Dr. Schlenk has also served on numerous State and foundation review panels and committees.
Dr. Christopher Waller
Merck Research Laboratories
Affiliation: Merck Research Laboratories, Boston, MA

Expertise: Physiologically-based pharmacokinetics (PBPK) modeling, translational data science, predictive modeling, analytical chemistry and business transformation

Education: Physiologically-based pharmacokinetics (PBPK) modeling, translational data science, predictive modeling, analytical chemistry and business transformation

Experience Summary: Dr. Christopher Waller is an Executive Director in the Merck Research Laboratories Division of Merck & Co., where he leads the Scientific Modeling Platform and Applied Math and Modeling teams and is responsible for Information Technology solutions in support of Merck’s Center for Observational and Real-world Evidence. His current primary interests are in translational data science, predictive modeling, and business transformation.

Dr. Waller has held a variety of positions in academic, government, biotech, and large pharmaceutical company sectors. Dr. Waller was a founding board member of the Pistoia Alliance, serves on the Board of Visitors at the School of Pharmacy at the University of North Carolina-Chapel Hill, and is a member of the Strategic Advisory Board for the Department of Computer Science at North Carolina State University.

Dr. Waller received his Ph.D. in Medicinal Chemistry and Natural Products from the University of North Carolina in Chapel Hill.

Panel Experience: Dr. Waller has served on the Committee on Advances in Technology and the Prevention of Their Application lo Next Generation Biowarfare, Institute of Medicine and National Research Council, National Academy of Sciences, Washington, DC, (2003 – 2005); Research Centers in Minority Institutions (RCMI), National Institutes of Health, Washington, DC, (1999); Endocrine Disruptor Screening and Testing Advisory Committee, Keystone Foundation for United States Environmental Protection Agency, Washington, DC (1997 – 1999); and the Specialized Programs of Research Excellence (SPORE) in Breast Cancer Committee, National Cancer Institute, National Institutes of Health, Bethesda, MD (1994).
Dr. Catherine Willett
The Humane Society of the United States
Affiliation: The Humane Society of the United States, Gaithersburg, MD

Expertise: Toxicology, pathology, in vitro to in vivo extrapolation, science, policy and regulatory aspects of replacing animals as the basis of chemical safety assessment

Education: Ph.D. in Genetics, and M.S., Genetics, University of California, Davis

Experience Summary: Dr. Catherine Willett is currently the Director of Science Policy at the Humane Society of the United States and Coordinator of the Human Toxicology Project Consortium. Her work focuses on the science, policy and regulatory aspects of replacing animals as the basis of chemical safety assessment and involves working with regulatory agencies, scientists and policy-makers in the U.S. and Internationally, to facilitate the development and implementation of new scientific approaches to chemical assessment.

Dr. Willett has served in the Organisation for Economic Co-Operation and Development (OECD) Test Guidelines Program for several expert groups and as part of the Task Force on Hazard Assessment and Extended Advisory Group on Molecular Screening and Toxicogenomics. She has also served on the U.S. Department of Health and Human Services, National Toxicology Program’s (NTP), Scientific Advisory Committee on Alternative Toxicological Methods (SACATM).

Panel Experience: Dr. Willet serves on the following: Scientific Advisory Committee on Alternative Toxicological Methods (SACATM), National Institute of Environmental Health Sciences (2014 – 2017); Scientific Advisory Royal Dutch Shell Animal Testing External Panel (2014 – present); The Institute for In Vitro Sciences - Scientific Advisory Board (2012 – present); The Center for Alternatives to Animal Testing at the Johns Hopkins University School of Public Health - Advisory Board (2015 - present).

Additional Members (Appointed March 2018)

Dr. Charles Barton
The Valspar Corporation
Affiliation: The Valspar Corporation, Sewickley, PA

Expertise: Dr. Charles Barton is the global manager of toxicology and risk assessment at the Valspar Corporation. Dr. Barton leads a team of toxicologists and regulatory specialists that supports Valspar businesses throughout the world. His professional practice has focused on evaluating potential public and occupational health risks associated with exposure to chemicals in the environment, workplace, pharmaceuticals, and consumer and personal care products.

Education: Ph.D., Toxicology, University of Louisiana

Experience Summary: Dr. Barton is the global manager of toxicology and risk assessment at the Valspar Corporation. Dr. Barton leads a team of toxicologists and regulatory specialists that supports Valspar businesses throughout the world. Dr. Barton has experience with a variety of sectors, including academia, government, pharmaceutical industry and consumer product industry. He was the state toxicologist for Iowa for seven years. His professional practice has focused on evaluating potential public and occupational health risks associated with exposure to chemicals in the environment, workplace, pharmaceuticals, and consumer and personal care products. Dr. Barton received his Ph.D. in toxicology at the University of Louisiana at Monroe and completed his postdoctoral training in toxicology at Michigan State University. He is a Diplomate of the American Board of Toxicology.

Panel Experience: Dr. Barton has been previously appointed to six National Academy of Sciences committees; six U.S. Pharmacopeia committees, and one International Organization for Standardization (ISO) committee. He has served on the Board of Directors for the American Board of Toxicology.
Dr. Steven D. Bennett
Household & Commercial Products Association
Affiliation: Household & Commercial Products Association (HCPA), Vice President of Scientific Affairs, Washington, D.C.

Expertise: Green chemistry focusing on alternatives assessment and life cycle assessment; risk and exposure assessment, focusing on the use and exposure of formulated products

Education:Ph.D., Inorganic Chemistry, University of Delaware; B.S., Chemistry, Lock Haven University, PA

Experience Summary: Dr. Bennett leads HCPA's scientific affairs department, developing science policies and positions, providing scientific guidance on a wide range of scientific issues primarily focused on formulated products. He is currently leading the association's Toxic Substances Control Act implementation efforts, especially prioritization and risk evaluation of existing chemicals. Dr. Bennett works with member companies on technical aspects pertaining to green chemistry, air quality, sustainability, U.S. Environmental Protection Agency's Endocrine Disruptor Screening Program, State of California's Proposition 65, and poison prevention issues. He manages the Floor Care Division, Product Ingredients Dictionary, the association's product stewardship initiative, Product Care® and co-manages the Pest Management Products Division. Bennett serves as a lead subject matter expert and spokesperson for the association, working with coalitions, government and diverse stakeholders to communicate member priorities.

Prior to joining HCPA, Dr. Bennett worked as a scientist and chemist for E.A. Engineering, was a university professor, and continues to lecture in the Environmental Sciences and Policy Master's Program at Johns Hopkins University. He is a member of American Chemistry Society and the Society for Risk Assessment.

Panel Experience: Served on EPA Small Business Entity Regulatory Flexibility Act Panel for Paint Strippers as part of the TSCA Section 6(a) rule-making process (2016). Serves of EPA Pesticide Public Dialogue Committee (PPDC) (2017-present).
Dr. Sheri L. Blystone
SNF Holding Company
Affiliation: Director of Regulatory Affairs and Product Safety with SNF Holding Company in Riceboro, GA

Expertise: Dr. Blystone has over 20 years as a practitioner of product safety and compliance in the chemical industry. Extensive knowledge in global chemical regulation including new chemical notification, hazard communication, risk management, emerging issues management, and advocacy

Education:Ph.D., Organometallic chemistry, Case Western Reserve University, Cleveland, OH

Experience Summary: Dr. Blystone has over 20 years as a practitioner of product safety and compliance in the chemical industry. Prior to her current position with SNF Holding Company, Dr. Blystone was the Senior Manager of Product EHS (Americas) for Huntsman International. She has also held positions in chemical product safety and compliance for Honeywell, General Electric, and Lubrizol. In those positions, Dr. Blystone has directly worked with characterizing chemical product hazards, hazard communication, new chemical notifications and registrations, and risk management for a wide variety of commercial chemical products.

Panel Experience: Dr. Blystone has no prior government or international governmental organization advisory panel experience.
Susan Dempsey
Nebraska Department of Health and Human Services
Affiliation: State Risk Assessor and Toxicologist for the Nebraska Department of Health and Human Services (NDHHS), Lincoln, Nebraska

Expertise: Public health, environmental health, risk communication, human health and ecological risk assessment, emergency response and preparedness, protocol and regulation development

Education: Certificate in Public Health, University of Nebraska Medical Center; M.S. in Environmental Science and Toxicology; B.S. in Biological Sciences and Chemistry, University of Nebraska-Lincoln

Experience Summary: Ms. Dempsey has serves as the State Risk Assessor and Toxicologist for the Nebraska Department of Health and Human Services (NDHHS) for the past 25 years. In this role, Ms. Dempsey assists local health departments, the NDHHS, the Nebraska Department of Environmental Quality, the Nebraska Emergency Management Agency, the U.S. Environmental Protection Agency, and the U.S. Army Corps of Engineers with assessing and communicating both human and ecological health risks associated with chemical exposure. She represents the NDHHS on workgroups for hazardous algae blooms, fish consumption advisories, Legionellosis cases, emergency response, and in approving the use of chemical additives in geothermal systems. She also works directly with the public to address health concerns following exposure to contaminants and helps residents and businesses to address these issues, such as determining when to provide alternative water sources. She authored the state's methamphetamine decontamination regulations and has recently developed a protocol for hospitals and long-term care facilities to address legionella exposure in potable water.

She is a member of the Midwest-Plains Chapter of Certified Hazardous Materials Managers and a member of the Society for Risk Analysis. She is a graduate of the Great Plains Public Health Leadership Institute and a current member of the Nebraska Water Leaders Academy. She is the co-chair of the National State Risk Assessors/Toxicologists Committee, an appointed member of the State Emergency Response Commission, and is the Vice President of the NE Environmental Health Association.

Panel Experience: Ms. Dempsey has served on panels in Nebraska for emergency response and preparedness, for developing fish consumption advisories, addressing hazardous algal blooms, and for methamphetamine decontamination.
Dr. Thomas Hartung
Johns Hopkins University
Affiliation: Johns Hopkins Bloomberg School of Public Health, in Baltimore, Maryland. Full Professor of Pharmacology and Toxicology, University of Konstanz, Germany

Expertise: Evidence-based toxicology, molecular microbiology and immunology and alternative testing approaches

Education: Diploma in Biochemistry, specialisation toxicology, University of Tübingen, Germany. Ph.D., Biochemical Pharmacology, Konstanz, Germany; M.D., Tübingen, Germany

Experience Summary: Dr. Hartung is the Doerenkamp-Zbinden-Chair for Evidence-based Toxicology with a joint appointment for Molecular Microbiology and Immunology at Johns Hopkins Bloomberg School of Public Health, in Baltimore, Maryland. He holds a joint appointment as Professor for Pharmacology and Toxicology at University of Konstanz, Germany; he also is Director of their Centers for Alternatives to Animal Testing (CAAT). CAAT hosts the secretariat of the Evidence-based Toxicology Collaboration, the Good Cell Culture Practice Collaboration, the Green Toxicology Collaboration, and the Industry Refinement Working Group. As Principal Investigator, Dr. Hartung heads the Human Toxome project. In the year 2015, Dr. Hartung is listed as the 8th most cited German toxicologist (Laborjournal).

Panel Experience: Dr. Hartung is the former Head of the European Commission's Center for the Validation of Alternative Methods (ECVAM), Ispra, Italy. Member of the US Scientific Advisory Committee for Alternative Test Methods to the National Toxicology Program, 2004-2008. Member of US National Academy of Science 2009-2010.
Dr. Michael P. Holsapple
Michigan State University
Affiliation: Department of Food Science and Human Nutrition, Michigan State University (MSU), East Lansing, MI

Expertise: Formal training in pharmacology and toxicology; 35 years of professional experience with expertise in immunotoxicology (chemicals, pesticides, biologics, large molecular weight drugs, nanomaterials), mechanistic toxicology, systems toxicology, safety assessment, risk assessment, risk communication, and food safety

Education: B.S. Biology, Purdue University; M.S. Pharmacology and Toxicology (1978), Purdue University; Ph.D. Pharmacology and Toxicology, Purdue University; Post-doctoral fellow Immunotoxicology, Medical College of Virginia/Virginia Commonwealth University

Experience Summary: Dr. Michael Holsapple is a toxicologist with over 35 years of experience and is currently a Professor in the Department of Food Science and Human Nutrition at Michigan State University (MSU) in East Lansing, MI. From 1994-2002, Dr. Holsapple worked in the Toxicology, Environmental Research and Consulting Laboratories at the Dow Chemical Company. During his industry career, his responsibilities included leading both the Immunotoxicology and the Respiratory Toxicology groups. From 2002-2011, Dr. Holsapple served as the Executive Director of the Health and Environmental Sciences Institute (HESI), the global branch of the International Life Sciences Institute (ILSI) in Washington, DC. During his time with HESI, Dr. Holsapple facilitated the organization's emergence as a recognized global leader in advancing the state-of-the-science of safety and risk assessment. From 2011-2014, Dr. Holsapple was a Senior Research Leader in systems toxicology at the Battelle Memorial Institute in Columbus, Ohio. His primary responsibility at Battelle was to manage a large-scale initiative in systems toxicology, the Multi-Scale Toxicology Initiative (MSTI), which included coordination with four of the US national laboratories (Brookhaven, Lawrence Livermore, Oakridge, and Pacific Northwest), and mentorship of five post-doctoral fellows. He also worked closely with the toxicology group at Battelle to increase their capabilities in immunotoxicology. He moved to Covance Laboratories, a contract research organization (CRO), in late January, 2014, where he served as the Executive Director of Global Immunotoxicology. He was named as the director of the MSU Center for Research on Ingredient Safety in 2015.

Panel Experience: N/A
Dr. Mark S. Johnson
U.S. Army Public Health Center
Affiliation: Director of Toxicology, U.S. Army Public Health Center at Aberdeen Proving Ground, Maryland

Expertise: Toxicology, Risk Assessment, Ecology

Education: Ph.D., Veterinary Science, Virginia-Maryland College of Veterinary Medicine; MSc. University of Delaware; B.S., Biology Townson State University

Experience Summary: Dr. Johnson currently serves as the Director of Toxicology, U.S. Army Public Health Center at Aberdeen Proving Ground, Maryland where he is responsible for the operational and technical arm of the Army Surgeon General and the Assistant Secretary of the Army for toxicological matters. He has worked extensively in the evaluation of the toxicity of military unique compounds and development and evaluation of a phased approach to the gathering of toxicity data for new compounds under development. Dr. Johnson has been a member of the Society of Environmental Toxicology and Chemistry (SETAC) since 1997 and is a Steering Group Member of several World Interest Groups (e.g., Wildlife Toxicology World Interest Group, Ecological Risk Assessment World Interest Group, and Science Committee for SETAC North America). Dr. Johnson is the chair of the Tri-Service Toxicology Consortium and has over 100 published peer-reviewed publications, technical reports, and book chapters on toxicology and risk assessment.

Panel Experience: Dr. Johnson has served on multiple North Atlantic Treaty Organization Science and Technology Organization (NATO STO panels) (e.g., Applied Vehicle Technology (AVT) 322 Combustion Products, Exposure and Related Risks, AVG-276-RLS-042 on Environmental Management of Munition and Greener Approaches to Design) and The Technical Cooperation Program (TTCP) Panels (WPN/Technical Panel 4, Energetic Materials and Propulsion Technology, Environmental Aspects of Energetic Materials, U.S. Area of Interest Annual Reports; TTCP Technical Report CP 4-42, Assessing the Potential Environmental and Human Health Consequences of Energetic materials: A Phased Approach, TR-WPN-TP04-15-2014). He is a Steering Group Member of the Wildlife Toxicology World Interest Group, Chair of Ecological Risk Assessment World Interest Group, and a member of the Science Committee for SETAC North America. Dr. Johnson was the past chair of the Terrestrial Toxicity Subcommittee of the Biological Fate and Effects Committee of the American Society for Testing and Materials (ASTM), and the past president of the American Board of Toxicology (ABT) and current chair of the Tri-Service Toxicology Consortium. He also serves as a government liaison on the National Research Council (NRC)/National Academy of Sciences (NAS) Committee on Emerging Science for Environmental Decision Making.
Ruthann Rudel
Silent Spring Institute
Affiliation: Silent Spring Institute, Newton, MA

Expertise: Environmental Toxicology, Epidemiology, Endocrine System, Breast Cancer and Women's Health

Education: M.S., Hazardous Materials Management, Tufts University; B.A., Chemistry and Neuroscience, Oberlin College

Experience Summary: Ms. Rudel is active in the areas of exposure and toxicology research programs focusing on endocrine active chemicals and on mechanisms by which chemicals may influence breast cancer risk. Her work in toxicology includes a review of early life exposure to chemicals that alter mammary gland development and implications for testing protocols and risk assessment. She also directed a major review of animal mammary gland carcinogens. Her current research includes a project funded by the California Breast Cancer Research Program to identify biological pathways that are relevant to breast cancer etiology and develop methods to test chemicals for those activities. This work involves analyzing existing data, such as the U.S. Environmental Protection Agency's ToxCast data, and developing novel in vitro methods for chemical testing.

Panel Experience: Committee Member, National Academy of Sciences, Project: Unraveling Low Dose Toxicity - Case Studies of Systematic Review of Evidence, (2015-present). Member of Toxic Substances Control Act Committee, Society of Toxicology (2014-2016); Expert Panelist, National Toxicology Program Interagency Center for the Evaluation of Alternative Toxicological Methods (NICEATM), Adverse Outcome Pathways: From Research to Regulation (2014); Board of Scientific Counselors, US National Toxicology Program (2009-2011); Science Advisory Board, MA Toxic Use Reduction Institute (2000-2001).