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HEI Staff

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


Robert O’Keefe Vice President
Ellen K. Mantus Director of Science
Donna J. Vorhees Director of Energy Research
Annemoon M. van Erp Deputy Director of Science
Thomas J. Champoux Director of Science Communications
Jacqueline C. Rutledge Director of Finance and Administration
Emily Alden Corporate Secretary
Lee Ann Adelsheim Research Assistant
Palak Balyan Consulting Staff Scientist
Hanna Boogaard Consulting Principal Scientist
Sofia Chang-DePuy headshot
Sofia Chang-DePuy Digital Communications Manager
Aaron J. Cohen Consulting Principal Scientist
Dan Crouse Senior Scientist
Robert Davidson headshot
Robert M. Davidson Staff Accountant
Philip J. DeMarco Compliance Manager
Kristin C. Eckles Senior Editorial Manager
Hope Green Editorial Project Manager
Joanna Keel Research Assistant
Yi Lu Staff Scientist
Lissa McBurney Science Administrative Assistant
Janet McGovern Headshot
Janet McGovern Executive Assistant
Martha Ondras Research Fellow
Pallavi Pant Senior Scientist
Allison Patton
Allison P. Patton Staff Scientist
Anna Rosofsky
Anna Rosofsky Staff Scientist
Robert Shavers Operations Manager
Eva Tanner Consulting Staff Scientist
Eleanne van Vliet Staff Scientist