You are here
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
Senior Staff Scientist

Allison P. Patton
Staff Scientist

Hilary Selby Polk
Managing Editor

Anna Rosofsky
Staff Scientist

Robert Shavers
Operations Manager

Eva Tanner
Consulting Staff Scientist

Eleanne van Vliet
Staff Scientist