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HEI Staff
Directory of HEI staff. Click on a person's name for contact information.
Daniel S. Greenbaum
President
Robert O’Keefe
Vice President
Rashid Shaikh
Director of Science
Jacqueline C. Rutledge
Director of Finance and Administration
Kristen Mann
Corporate Secretary
Hanna Boogaard
Consulting Senior Scientist
Aaron J. Cohen
Consulting Principal Scientist
Maria G. Costantini
Principal Scientist
Philip J. DeMarco
Compliance Manager
Hope Green
Editorial Project Manager
Kathryn Liziewski
Research Assistant
Kethural Manokaran
Research Assistant
Lissa McBurney
Science Administrative Assistant
Allison Patton
Staff Scientist
Hilary Selby Polk
Managing Editor
Lindy Raso
Executive Assistant
Anna Rosofsky
Staff Scientist
Robert Shavers
Operations Manager
Annemoon M. van Erp
Managing Scientist
Donna J. Vorhees
Director of Energy Research
Katherine Walker
Principal Scientist