Organization Chart for the Center for Environmental Measurement and Modeling (CEMM)

Organization chart showing divisions and branches within EPA’s Center for Environmental Measurement and Modeling

View full size organization chart graphic.

Office of the Director

Acting Director: Alice Gilliland

Acting Deputy Director: Eric Hubbell

Associate Director for Environmental Measurement: Gayle Hagler

Associate Director for Environmental Modeling: Andy Gillespie

About the Center for Environmental Measurement and Modeling

Air Methods and Characterization Division

Acting Director: Michael Hays
Acting Associate Director: Paul Groff

About the Air Methods and Characterization Division

Ambient Air Branch

Branch Chief: Surender Kaushik

Combustion Source Branch

Acting Branch Chief: Chris Owen

Industrial Control Technology Branch

Acting Branch Chief: Jason DeWees

Source and Fine Scale Branch

Branch Chief: Michael Hays

Atmospheric and Environmental Systems Modeling Division

Director: Alan Vette
Associate Director: Will Yelverton

About the Atmospheric and Environmental Systems Modeling Division

Atmospheric Chemistry and Aerosol Branch

Branch Chief: Rob Pinder

Atmospheric Dynamics and Meteorology Branch

Branch Chief: Wyat Appel

Emissions Systems Analysis Branch

Branch Chief: Jacky Rosati

Natural Systems Characterization Branch

Branch Chief: Carol Lenox

Atlantic Coastal Environmental Sciences Division

Acting Director: Tim Gleason

About the Atlantic Coastal Environmental Sciences Division

Ecosystem Management and Restoration Branch

Branch Chief: Marty Chintala

Monitoring and Assessment Branch

Acting Branch Chief: Jeff Hollister

Ecological Effects Branch

Branch Chief: Nature McGinn

Watershed and Estuarine Diagnostics Branch

Branch Chief: Betty Kreakie

Gulf Ecosystem Measurement and Modeling Division

Director: Tinelle Bustam

About the Gulf Ecosystem Measurement and Modeling Division

Biological Effects and Population Response Branch

Acting Branch Chief: Brandon Jarvis

Ecosystem Assessment Branch

Branch Chief: Lisa Smith

Ecosystem Dynamics and Effects Branch

Branch Chief: Yongshan Wan

Watershed and Ecosystem Characterization Division

Director: Kevin Oshima
Associate Director: Jim Owens

About the Watershed and Ecosystem Characterization Division

Biological Measurements Branch

Branch Chief: Jennifer Cashdollar

Ecosystem Condition Branch

Branch Chief: Brent Johnson

Environmental Genomics Branch

Branch Chief: Eric Villegas

Multimedia Methods Branch

Acting Branch Chief: Dan Stout

Watershed Management Branch

Branch Chief: Michael Elovitz

Ecosystem Processes Division

Director: Brian Schumacher

About the Ecosystem Processes Division

Chemical Processes and Systems Branch

Branch Chief : Caroline Stevens

Landscape and Aquatic Systems Modeling Branch

Branch Chief : John Johnston