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  2. Pesticide Contacts

Contacts in the Office of Pesticide Programs, Registration Division

For More Information
  • Chemical assignments list (branches)

The Registration Division (RD) is responsible for conventional chemical product registrations, amendments, registrations, tolerances, experimental use permits, and emergency exemptions for conventional chemical pesticides.

On this page:
  • Immediate Office
  • Invertebrate-Vertebrate Branch 1
  • Invertebrate-Vertebrate Branch 2
  • Invertebrate-Vertebrate Branch 3
  • Fungicide Branch
  • Herbicide Branch
  • Fungicide Herbicide Branch
  • Minor Use and Emergency Response Branch
  • Chemistry, Inerts and Toxicology Assessment Branch
  • Information Services Branch

Immediate Office

Name Email Area of Responsibility
Charles "Billy" Smith smith.charles@epa.gov Division Director
Dan Rosenblatt rosenblatt.dan@epa.gov Deputy Director
Jennifer Saunders saunders.jennifer@epa.gov (Acting) Associate Division Director 
Kable (Bo) Davis davis.kable@epa.gov Senior Regulatory Specialist
Khue Nguyen nguyen.khue@epa.gov Acting Senior Regulatory Specialist (Endangered Species Act Coordinator)
RD Ombudsman OPP_RD_Ombudsman@epa.gov RD Ombudsman
CRP Team ChildResistantPackaging@epa.gov Child-Resistant Packaging (CRP)
Invert Efficacy Team OPP_RD_INVERT_EFFICACY@epa.gov Invertebrate Efficacy Team
Inerts Mailbox inertsbranch@epa.gov Inert Ingredients Team

Invertebrate-Vertebrate Branch 1

Insecticides, insect repellents, pyrethroids

Name Email Area of Responsibility
Vacant   Branch Chief
Jackie Herrick herrick.jacquelyn@epa.gov PM Team 3
Elizabeth Fertich fertich.elizabeth@epa.gov PM Team 4
Kevin Ulrich ulrich.kevin@epa.gov Senior Entomologist

Invertebrate-Vertebrate Branch 2

Insecticides, insect growth regulators, OPs, Carbamates, fipronil

Name Email Area of Responsibility
Ideliz Negron-Encarnacion negron-encarnacion.ideliz@epa.gov Branch Chief
Tamica Cain cain.tamica@epa.gov PM Team 10
Michael Walsh walsh.michael@epa.gov PM Team 11
Debra Rate rate.debra@epa.gov Senior Regulatory Specialist

Invertebrate-Vertebrate Branch 3

Insecticides, structural fumigants, rodenticides, wildlife control products (including contraceptives)

Name Email Area of Responsibility
vacant   Branch Chief
Ralph Narain Narain.Ralph@epa.gov Acting PM Team 1 
vacant   Senior Regulatory Specialist
Melissa (Mel) Bridges bridges.melissa@epa.gov PM Team 7

Fungicide Branch

Fungicides, nematicides, fumigants, plant growth regulators

Name Email Area of Responsibility
Cynthia Giles-Parker giles-parker.cynthia@epa.gov Branch Chief
Manjula Unnikrishnan unnikrishnan.manjula@epa.gov PM Team 21
Kristy Crews crews.kristy@epa.gov PM Team 22 
Stephanie Suarez suarez.stephanie@epa.gov Senior Regulatory Specialist

Herbicide Branch

Herbicides (including phenoxys, aquatics, desiccants and defoliants)

Name Email Area of Responsibility
Lindsay Roe roe.lindsay@epa.gov Branch Chief
Mindy Ondish ondish.mindy@epa.gov PM Team 23
Sarah Meadows meadows.sarah@epa.gov Senior Regulatory Specialist
Emily Schmid schmid.emily@epa.gov PM Team 25

Fungicide-Herbicide Branch

Fungicides and herbicides

Name Email Area of Responsibility
Nathan (Nate) Mellor mellor.nathan@epa.gov Branch Chief
vacant   PM Team 20
vacant   PM Team 24 
Aswathy Balan balan.aswathy@epa.gov Senior Regulatory Specialist

Minor Use and Emergency Response Branch

Name Email Area of Responsibility
Eric Bohnenblust bohnenblust.eric@epa.gov Branch Chief
Jennifer Gaines gaines.jennifer@epa.gov Senior Regulatory Specialist; Emergency Response Team (Section 18 and 24c Coordinator)
Vacant   Minor Use Team Leader;
IR-4 liaison, minor use policy

Chemistry, Inerts and Toxicology Assessment Branch

Name Email Area of Responsibility
vacant   Branch Chief 
Inerts Team Mailbox inertsbranch@epa.gov Please send all Inerts Team questions and correspondence to this mail box
Shyam Mathur mathur.shyam@epa.gov Product Chemistry Team Leader;
review of product chemistry data
Vacant   Acute Toxicity Team Leader; review of acute toxicity studies for formulated products and review of precautionary labeling

Information Services Branch (ISB)

Fax: 703-305-7670

Responsible for in-processing registrant submissions including applications, studies, administrative information, adverse effects information, fees, and other required information. Manages central collections of regulatory case records, studies and incident reports. Maintains information in OPP's core office-wide databases.

Name Email Area of Responsibility
Rachel Holloman holloman.rachel@epa.gov Branch Chief
Raderrio Wilkins wilkins.raderrio@epa.gov Team Leader;
Central Data Systems and Fees Management In-processing including PRIA actions;
Transfers (Product Registration;
Data and Company Ownership Transfers);
Salesforce Pilot/ Digital Transformation
Banza Djapao djapao.banza@epa.gov Electronic Submissions
Christopher Green green.christopher@epa.gov Transfers (Product Registration;
Data and Company Ownership Transfers)
Christopher Green green.christopher@epa.gov PRIA fee waivers;
Voluntary Cancellations
Brenda Minnema minnema.brenda@epa.gov Central Data Systems and Fees Management In-processing including PRIA Actions and Fee Allocations;
PRIA Fee Refunds;
Maintenance Fee Collections;
PRIA Due Date Modifications;
Data Submitters List;
6(f)(1) use deletions/ Voluntary Cancellations
Vacant   6(a)(2) Data Coordinator
Vacant  

Electronic Submissions;
In-processing including PRIA Actions and Fees;
Salesforce Pilot/ Digital Transformation

Shirley Burgess burgess.shirley@epa.gov Document in-processing and imaging;
Assignment of EPA company numbers submissions;
Electronic Signature Agreements (ESA) verification and approvals
Brenda Minnema  minnema.brenda@epa.gov Process PRIA Fee Allocations and Refunds;
Maintenance Fee Collections;

Pesticide Contacts

  • Pesticides HQ Organization
  • Regional Pesticide Contacts
  • Regulatory Divisions
  • Science Divisions
  • Contacts by Topic
  • Mailing to the Office of Pesticide Programs
Contact Us about Pesticide Contacts and Organizational Information
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on June 13, 2025
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