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Key Officials

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

Office of Technology Policy and Outreach
Director (Acting), Timothy Klein
Deputy Director, Thomas Bolle
BTS Public Affairs Contact, David Smallen
Research and Technology Public Affairs, Nancy Wilochka

Bureau of Transportation Statistics
Director, Patricia S. Hu (bio)
Deputy Director, Dr. Rolf Schmitt (bio)
Assistant Director, Office of Statistical and Economic Analysis, Karen White
Assistant Director, Office of Survey Programs, Joy Sharp
Assistant Director, Office of Transportation Analysis, Mike Sprung
Assistant Director, Office of Office of Geospatial Information Systems (Vacant)
Assistant Director, Office of Airline Information, William Chadwick, Jr.
Assistant Director, Office of Transportation Information Resources, Amanda Wilson

Intelligent Transportation Systems Joint Program Office
Director, Kenneth Leonard
Managing Director, Egan Smith

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

Office of Research, Development and Technology
Director, Dr. Kevin Womack
Director, Research, Development and Technology Coordination, Alasdair Cain
Director, University Grants Programs, Caesar Singh

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
Director, Center for Air Traffic Systems & Operations, Steven R. Lang
Director, Center for Safety Systems Management, Steven M. Popkin
Director, Center for Infrastructure Systems & Technology, Luisa Paiewonsky
Director, Center for Policy, Planning & Environment, Gregg G. Fleming

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