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About EPA

Organization Chart for the National Homeland Security Research Center

Office of Director

Gregory Sayles, Director
513-569-7607

Brian Kleinman, Deputy Director

About NHSRC

Decon and Consequence Management Division

Shawn Ryan, Division Director
Research Triangle Park, NC

Threat and Consequence Assessment Division

Tonya Nichols, Division Director
Cincinnati, OH

Water Infrastructure Protection Division

Hiba Ernst, Division Director
Cincinnati, OH