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About EPA

Organization Chart for the Center for Environmental Solutions and Emergency Response (CESER)

Organization chart showing divisions and branches within EPA’s Center for Environmental Solutions and Emergency ResponseView full size organization chart graphic.

Office of the Director

Director: Greg Sayles

Deputy Director: Kelly Dipolt (Acting) 

Associate Director: Tom Speth

About the Center for Environmental Solutions and Emergency Response

Groundwater Characterization and Remediation Division

Director: Azadeh (Ann) Keeley

Deputy Director: Mary Stanton (Acting)

About the Groundwater Characterization and Remediation Division

Subsurface Remediation Branch

Branch Chief: Richard Wilkin 

Technical Support and Environmental Restoration Branch

Branch Chief: David Burden

Homeland Security Materials Management Division

Director: Shawn Ryan

Associate Director: Sarah Taft

About the Homeland Security Materials Management Division

Disaster Characterization Branch

Branch Chief: Robyn Conmy (Acting)

Systems Tools and Materials Management Branch

Branch Chief: Emily Snyder

Wide-Area and Infrastructure Decontamination Branch

Branch Chief:  (Acting)

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Land Remediation Technology Division

Director: Kirk Scheckel

Associate Director: David Kozlowski

About the Land Remediation Technology Division

Contaminated Sites and Sediments Branch

Branch Chief: Dennis Timberlake 

Emerging Contaminants and Technologies Branch

Branch Chief: John McKernan 

Environmental Decision Analytics Branch

Branch Chief: Michael Gonzalez 

Water Infrastructure Division

Director: Regan Murray

Associate Director: Sandhya Parshionikar

About the Water Infrastructure Division

Biological Contaminants Branch

Branch Chief: Eunice Varughese

Chemical Methods and Treatment Branch

Branch Chief: Hale Thurston (Acting) 

Drinking Water Management Branch

Branch Chief: Rob Janke (Acting)

Stormwater Management Branch

Branch Chief: Matthew Hopton 

Technical Support Coordination Division

Director: Robert Weber (Acting)

About the Technical Support Coordination Division

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