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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 Emeritus
Jacqueline C. Rutledge
Director of Finance and Administration
Annemoon M. van Erp
Acting Director of Science
Donna J. Vorhees
Director of Energy Research
Emily Alden
Corporate Secretary
Lee Ann Adelsheim
Research Assistant
Hanna Boogaard
Consulting Principal Scientist
Sofia Chang-DePuy
Digital Communications Manager
Aaron J. Cohen
Consulting Principal Scientist
Dan Crouse
Consulting Senior Scientist
Robert M. Davidson
Staff Accountant
Philip J. DeMarco
Compliance Manager
Hope Green
Editorial Project Manager
Joanna Keel
Research Assistant
Lissa McBurney
Science Administrative Assistant
Janet McGovern
Executive Assistant
Martha Ondras
Research Fellow
Pallavi Pant
Staff Scientist
Allison P. Patton
Staff Scientist
Hilary Selby Polk
Managing Editor
Anna Rosofsky
Staff Scientist
Robert Shavers
Operations Manager
Eleanne van Vliet
Staff Scientist
Katherine D. Walker
Principal Scientist