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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
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
Jason Desmond
Deputy Director of Finance and Administration
Emily Alden
Corporate Secretary
Palak Balyan
Consulting Staff Scientist
Hanna Boogaard
Consulting Principal Scientist
Sofia Chang-DePuy
Digital Communications Manager
Aaron J. Cohen
Consulting Principal Scientist
Dan Crouse
Senior Scientist
Robert M. Davidson
Staff Accountant
Philip J. DeMarco
Compliance Manager
Kristin C. Eckles
Senior Editorial Manager
Elise G. Elliott
Staff Scientist
Hope Green
Editorial Project Manager
Joanna Keel
Research Assistant
Yi Lu
Staff Scientist
Lissa McBurney
Senior Science Administrator
Janet McGovern
Executive Assistant
Martha Ondras
Research Fellow
Pallavi Pant
Senior Scientist
Allison P. Patton
Senior Scientist
Quoc Pham
Science Administrative Assistant
Anna Rosofsky
Senior Scientist
Robert Shavers
Operations Manager
Eva Tanner
Staff Scientist
