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Key Officials

Office of the Assistant Secretary
Assistant Secretary, Gregory D. Winfree (bio)
Deputy Assistant Secretary, Ellen Partridge
Executive Secretariat, Melissa Harrington

Executive Director, Audrey Farley

Office of Technology Policy and Outreach
Director (Acting), Timothy Klein
BTS Public Affairs Contact, David Smallen

Bureau of Transportation Statistics
Director, Patricia S. Hu (bio)
Deputy Director, Dr. Rolf Schmitt (bio)

National Transportation Library
Assistant Director, Amanda Wilson

Intelligent Transportation Systems Joint Program Office
Director, Kenneth Leonard
Managing Director (Acting), Jeff Onizuk

Positioning, Navigation and Timing & Spectrum Management 
Director, Karen Van Dyke

Office of Research, Development and Technology
Director, Dr. Kevin Womack

Transportation Safety Institute
Director, Dr. Kevin Womack
Senior Advisor, Christine Lawrence

Volpe National Transportation Systems Center
Director, Robert C. Johns (bio)
Deputy Director for Research and Technology, Anne Aylward
Deputy Director for Operations, David Ishihara
Senior Advisor, Dr. Richard R. John

National Space-Based PNT Coordination Office
Director, Harold W. "Stormy" Martin III