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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

Gregg G. Fleming

As director of Policy, Planning, and Environment, Gregg Fleming has over 27 years of experience in all aspects of transportation-related acoustics, air quality, and climate issues.

Stephen M. Popkin, PhD

Dr. Stephen Popkin, deputy director of Research and Technology, has been serving and leading the transportation human factors profession for more than 20 years.

Ellen E. Bell

Ellen Bell serves as the director of Strategic Initiatives for Research and Innovation at Volpe. In this leadership position, she brings together leaders and decision makers from across the transportation enterprise to anticipate future transportation issues, generate fresh approaches to...

William Henrikson

Bill Henrikson was appointed the chief financial officer of Volpe in August 2005. He had served as the budget officer at Volpe since April 2004. Immediately prior to starting at Volpe, Bill was a private consultant and for 18 years before that he worked at Getronics (formerly Wang Laboratories)...

Dr. Marc B. Mandler

Dr. Marc Mandler has over 29 years experience in all aspects of transportation research and development and management. Since joining Volpe in 2006, and prior to his current position as Director of Communication and Knowledge Management, Dr. Mandler served as director of the Center for...

New Infographic Shows How Volpe Impacts Rail Safety

Nearly every 180 minutes someone in America is hit by a train. In the early 1970s, it was every 40 minutes. Check out our new infographic on Highway-Rail Grade Crossing Safety and Trespass Prevention. This easy-to-read data visualization shows how Volpe, in support of the Federal Railroad...

Contact Information

To learn more about doing business with the U.S. DOT Volpe Center, please contact the individuals listed below.