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About EPA

Organization Chart for EPA's National Health and Environmental Effects Research Laboratory (NHEERL)

Office of Director

Wayne Cascio
Acting Lab Director

Kay Holt
Deputy Director

William Russo
Chief of Staff

William S. Fisher
Acting Associate Director for Ecology

Ronald N. Hines
Associate Director for Health

Communications and Outreach

Marjorie C. Jones

Dan Coberly

Program Operations Staff

Jeff Sutton, Director

Research Planning and Coordination Staff

Kathryn Saterson, Director

Lisa Baxter
Assistant Lab Director for ACE


Marc Russell
Acting Assistant Lab Director for SHC

Barb Walton
Assistant Lab Director for Emerging Issues, Reg Support

Brenda Rashleigh
Assistant Lab Director for SSWR

Holly Mortensen
Acting Assistant Lab Director for CSS

Atlantic Ecology Division

Wayne Munns, Director

  • Program Operations
    Peter Celone, Associate Director
  • Monitoring and Assessment Branch
    Tim Gleason, Chief
  • Habitat Effects Branch
    Marnita M. Chintala, Chief
  • Watershed Diagnostics Branch
    Glen B. Thursby, Chief
  • Population Ecology Branch
    Barbara Bergen, Chief 

Environmental Public Health Division

David Diaz-Sanchez, Acting Director

  • Clinical Research Branch
    David Diaz-Sanchez, Chief
  • Epidemiology Branch
    Tim Wade, Chief
  • Cardiopulmonary & Immunotoxicology Branch
    Ian Gilmour, Chief
  • Inhalation Toxicology Facilities Branch
    Mark Higuchi, Chief

Gulf Ecology Division

Susan George, Director

  • Program Operations
    John Macauley, Associate Director
  • Biological Effects and Population Response Branch
    Sandy Raimondo, Chief
  • Ecosystem Assessment Branch
    Lisa M. Smith, Acting Chief
  • Ecosystem Dynamics and Effects Branch
    Yongshan Wan, Chief

Integrated Systems Toxicology Division
 

Tim Shafer, Acting Director

  • Systems Biology Branch
    Edward S. Hunter, Chief
  • Genetic & Cellular Toxicology Branch
    Michael Hughes, Chief
  • Carcinogenesis Branch
    Brian Chorley, Acting Chief
  • Pharmacokinetics Branch
    Jane E. Simmons, Chief

Mid-Continent Ecology Division

Dale Hoff, Director

  • Program Operations
    Mary Hautajarvi, Associate Director
  • Systems Toxicology Branch
    Sigmund Degitz, Chief
  • Watersheds and Water Resources Branch
    David Bolgrien, Chief
  • Ecosystem Services Branch
    Joel Hoffman, Chief
  • Translational Toxicology Branch
    Michael Hornung, Chief

Toxicity Assessment Division

John M. Rogers, Director

  • Neurotoxicology Branch
    David W. Herr, Chief
  • Reproductive Toxicology Branch
    Vickie S. Wilson, Chief
  • Developmental Toxicology Branch
    Chris S. Lau, Chief
  • Endocrine Toxicology Branch
    Tammy Stoker, Chief

Western Ecology Division

Alan Thornhill, Director

  • Program Operations
    Thomas Connolly, Associate Director
  • Freshwater Ecology Branch
    Paul Ringold, Acting Chief
  • Pacific Coastal Ecology Branch
    Ted Dewitt, Acting Chief
  • Ecological Effects Branch
    Paul Mayer, Chief

Research Cores Unit

Russell Owen, Director