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Organization Chart for the Center for Public Health and Environmental Assessment (CPHEA)

Related Information
  • About CPHEA
  • Contact Us about CPHEA
  • About the Office of Research and Development (ORD)
  • Organization Chart for ORD

Immediate Office of the Director (IO)

Director: Wayne Cascio
Deputy Director: Kay Holt
Associate Director for Assessment Science: Samantha Jones
Associate Director for Ecology and Health: Jamie Strong
Chief of Staff: Megan Christian
Program Operations Director: David Shoffner
Research & Communications and Outreach Staff Chief: Emily Snyder, Communications Director
Research Planning & Implementation Staff Chief: Jill Franzosa

About the Center for Public Health and Environmental Assessment


Chemical and Pollutant Assessment Division (CPAD)

Director: Kris Thayer
Associate Director: Andrew Kraft

About the Chemical and Pollutant Assessment Division

Assessment Management Branch (DC/NC/OH)

Branch Chief: Vicki Soto

Quantitative Assessment Branch (DC/NC)

Branch Chief: Viktor Morozov

Science Assessment Methods Branch (DC)

Branch Chief: Elizabeth Radke-Farabaugh

Toxic Effects Assessment Branch (DC/NC)

Branch Chief: Shannon Hanna

Toxic Effects Assessment Branch (NC)

Branch Chief: Janice Lee

Toxic Effects Assessment Branch (NC/OH)

Branch Chief: Glenn Rice


Health and Environmental Effects Assessment Division (HEEAD)

Director: Steve Dutton
Acting Associate Director: Anna Champlin

About the Health and Environmental Effects Assessment Division

Assessment Coordination and Systems Branch (DC/NC)

Branch Chief: Jen Nichols

Hazardous Pollutant Assessment & Systems Branch (NC)

Branch Chief: Andrew Hotchkiss

Integrated Environmental Assessment Branch (DC/NC),

Branch Chief: Kate Schofield

Integrated Health Assessment Branch (DC/NC)

Branch Chief: Scott Jenkins


Integrated Climate Sciences Division (ICSD)

Director: Chris Weaver
Associate Director: Britta Bierwagen

About the Integrated Climate Sciences Division

Interdisciplinary Climate Assessment Branch (DC/NC)

Branch Chief: Liz Naess

Integration & Evaluation Branch (DC/NC)

Branch Chief: Caroline Ridley

Regional Climate Assistance Branch (DC/NC)

Branch Chief: Megan Fleming


Pacific Ecological Systems Division (PESD)

Director: Alan Thornhill
Program Operations Director: Thomas Connolly

About the Pacific Ecological Systems Division

Ecology Effects Branch (Cor)

Branch Chief: Jim Markwiese

Freshwater Ecology Branch (Cor)

Branch Chief: Cheryl Brown

Pacific Coast Ecology Branch (New)

Branch Chief: Matthew Harwell


Public Health and Environmental Systems Division (PHESD)

Director: Lisa Baxter
Associate Director: Timothy Wade

About the Public Health and Environmental Systems Division

Epidemiology Branch

Branch Chief: Danelle Lobdell

Environmental Pathways Modeling Branch

Branch Chief: Megan Mehaffey

Exposure Indicators Branch

Branch Chief: Lindsay Stanek


Public Health and Integrated Toxicology Division​ (PHITD)

Director: David Diaz Sanchez
Associate Director: Rebecca Daniels

About the Public Health and Integrated Toxicology Division

Cardiopulmonary and Immunotoxicology Branch

Branch Chief: Ian Gilmour

Clinical Research Branch

Branch Chief: Ana Rappold

Inhalation Toxicology Facilities Branch

Branch Chief: Mark Higuchi

Neurological and Endocrine Toxicology Branch

Branch Chief: Tammy Stoker

Reproductive and Developmental Toxicology Branch

Branch Chief: Erin Hines

About EPA

  • Our Mission and What We Do
  • EPA Administrator
  • Headquarters Offices
  • Regional Offices
  • Labs and Research Centers
  • EPA Organization Chart
  • EPA History
  • Staff Directory
Contact EPA
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Last updated on December 4, 2024
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