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About EPA

Organization Chart for the Office of Research and Development (ORD)

ORD's Immediate Office of the Assistant Administrator serves three offices and four research centers.ORD's Immediate Office of the Assistant Administrator coordinates its work with three other offices and four research centers. The Office of Science Information Management and the Office of Resource Management serve internal support functions. You can find details about ORD as a whole; the Office of Science Advisor, Policy, and Engagement; and the four research centers through the links on this page.

Immediate Office of the Assistant Administrator

Jennifer Orme-Zavaleta, Principal Deputy Assistant Administrator for Science; EPA Science Advisor

About ORD

Office of Science Advisor, Policy, and Engagement (OSAPE)

About OSAPE
Organization Chart for OSAPE
Legacy ORD Functions within the Office of Science Advisor, Policy, and Engagement

Deputy Assistant Administrator for Management

Chris Robbins, Deputy Assistant Administrator for Management

Center for Environmental Measurement and Modeling (CEMM)

About CEMM
Organization Chart for CEMM

Center for Computational Toxicology and Exposure (CCTE)

About CCTE
Organization Chart for CCTE

Center for Public Health and Environmental Assessment (CPHEA)

About CPHEA
Organization Chart for CPHEA

Center for Environmental Solutions and Emergency Response (CESER)

About CESER
Organization Chart for CESER

Deputy Assistant Administrator for Science Policy

David Dunlap, Deputy Assistant Administrator for Science Policy
Bruce Rodan, Associate Director for Science

National Research Programs