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Contacts in the Office of Pesticide Programs, Biopesticides and Pollution Prevention Division

The Biopesticides and Pollution Prevention Division (BPPD) is responsible for all regulatory activities associated with biologically-based pesticides and emerging technologies. BPPD activities also include work to reduce pesticide risks by promoting integrated pest management and coordinating the Pesticide Environmental Stewardship Program.

Please refer all general registration inquiries to our Ombudsman at

On this page:

Name E-Mail Phone Area of Responsibility

Division Director's Office
Fax: 703-308-7026

Charles “Billy” Smith 703-305-0291 Acting Director
Anne Overstreet 703-308-8068 Deputy Director

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Biochemical Pesticides Branch

Registration and risk management for biochemical pesticides (including pheromones), biochemical plant growth regulators, and biochemical biostimulants. Enforcement case reviews and 25(b) issues related to biochemical pesticides.

Linda Hollis 703-308-8733 Branch Chief
Andrew Bryceland 703-305-6928 Team Leader
Gina Burnett 703-605-0513 Senior Regulatory Advisor

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Emerging Technologies Branch

Risk management oversight, risk assessment, and policy/rulemaking for products of biotechnology, Wolbachia, genetically engineered mosquitoes, Plant Incorporated Protectants (PIPs), and insect resistance management. Registration Review for PIPs.

Mike Mendelsohn 703-308-8715 Branch Chief
Alan Reynolds 703-605-0515 Product Manager
Eric Bohnenblust 703-347-0426 Senior Advisor
Elizabeth Milewski 703-347-0400 Senior Advisor - Science Policy
Wiebke Striegel 703-347-0556 Senior Scientist

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Microbial Pesticides Branch

Registration and risk management for microbial pesticides, microbial plant growth regulators, and biostimulant microbes. Enforcement case reviews for microbial pesticides and registration review for microbial and biochemical pesticides.

Elizabeth Donovan 703-347-0227 Acting Branch Chief
Jeannine Kausch 703-347-8920 Product Manager
Seiichi Murasaki 703-347-0163 Senior Regulatory Advisor
Donna Kamarei 703-347-0443 Re-Evaluation Team Leader 

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Risk Assessment Branch

Risk assessments, including human health and ecological, and product characterization for microbial and biochemical pesticides (excluding PIPs). Science policy for microbial and biochemical pesticides.

Shannon Borges 703-305-7175 Branch Chief 
Mark Perry 703-308-8024 Risk Assessment Process Leader
Russell Jones 703-308-5071 Senior Scientist
John Kough 703-308-8267 Senior Scientist
Geoff Sinclair 703-347-0362 Senior Scientist
Helen Hull-Sanders 703-347-0243 Risk Assessment Process Leader

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Environmental Stewardship Branch

Reducing pesticide risk through collaborative, non-regulatory efforts including the Pesticide Environmental Stewardship Program and Center for Integrated Pest Management. Ombudsman services for the biopesticides.

Frank Ellis 703-308-8107 Branch Chief
Jennifer Lemon 703-347-0336 Team Leader

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Center for Integrated Pest Management
Call the Center for IPM at 214-665-9731

Thomas Cook 214-665-9731 Team Leader

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