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HEI Staff

Directory of HEI staff. Click on a person's name for contact information.


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 headshot
Sofia Chang-DePuy Digital Communications Manager
Aaron J. Cohen Consulting Principal Scientist
Dan Crouse Consulting Senior Scientist
Robert Davidson headshot
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 Headshot
Janet McGovern Executive Assistant
Pallavi Pant Staff Scientist
Allison Patton
Allison P. Patton Staff Scientist
Hilary Selby Polk Managing Editor
Anna Rosofsky
Anna Rosofsky Staff Scientist
Robert Shavers Operations Manager
Eleanne van Vliet Staff Scientist
Katherine D. Walker Principal Scientist