Leadership and Key Officials
The Office of the Under Secretary comprises multiple offices with a broad range of functions and missions, including domestic and international transportation policy development and implementation, economic and legislative analysis, regulatory oversight, credit assistance, and innovative financing opportunities.
Vacant, Acting Under Secretary and Assistant Secretary for Transportation Policy
Vacant, Principal Deputy Assistant Secretary
Vacant, Assistant Secretary for Aviation and International Affairs
Vacant, Principal Deputy Assistant Secretary for Aviation and International Affairs
Cindy Baraban, Deputy Assistant Secretary for Aviation and International Affairs
Vacant, Deputy Assistant Secretary
Felicia Alexander, Deputy Assistant Secretary
Vacant, Deputy Asst. Sec for Multimodal Freight Infrastructure and Policy
Vacant, Principal Deputy Asst. Sec for Research and Tech
Maria Lefevre, Executive Director, Under Secretary for Policy
Dr. Morteza Farajian, Executive Director, Build America Bureau
Vacant, Labor Policy Advisor
Vacant, Chief Competition Officer
Vacant, Assistant Secretary for Transportation Policy
Felicia Alexander, Deputy Assistant Secretary
Vacant, Principal Deputy Assistant Secretary
Vacant, Deputy Assistant Secretary
Juli Huynh, Director, Policy Coordination and Development
Darren Timothy, Director, Office of the Chief Economist
April Marchese Director, Environment
John Augustine, Director, Office of Infrastructure Finance and Innovation
Vacant, Policy Advisor for Transportation Policy
Vacant, Disability Policy Advisor
Marilyn Shazor, Senior Policy Advisor for Transportation Policy
Vacant , Advisor for Policy and Program Implementation
Vacant, Advisor for Policy and Program Implementation
Vacant, Assistant Secretary for Aviation and International Affairs
Vacant, Principal Deputy Assistant Secretary for Aviation and International Affairs
Cindy Baraban, Deputy Assistant Secretary
Julie Abraham, Director, Office of International Transportation and Trade
Benjamin Taylor, Director, Office of International Aviation
Todd Homan, Director, Office of Aviation Analysis
Peter Irvine, Deputy Director, Office of Aviation Analysis, and Executive Lead for Aviation Policy
Dr. Morteza Farajian, Ph.D, Executive Director, Build America Bureau
Duane Callender, Director, Credit Programs
Vacant, Director, Outreach and Project Development
Vacant, Director, Technical Assistance
Rosalyn G. Millman, Senior Advisor to the Executive Director
Dimitri Kombolias, Business Operations Manager
Vacant, Assistant Secretary for Research and Technology
Vacant, Principal Deputy Asst. Sec for Research and Tech; Chief Science Officer
Vacant, Deputy Assistant Secretary for Research and Technology
Karen Van Dyke, Director, Office of Position, Navigation and Time & Spectrum Management
Dr. Firas Ibrahim, Director, Office of Research, Development, and Technology
Patricia Hu, Director, Bureau of Transportation Statistics
Rolf Schmitt, Deputy Director, Bureau of Transportation Statistics
Timothy Klein, Director, Office of Technology Policy and Outreach
Taylor Lochrane, PE, PhD, Director, Highly Automated Systems Safety (HASS) Center of Excellence
Dr. Troy Jackson, Director, Transportation Safety Institute (Oklahoma City, OK)
Gregg Fleming, Director, U.S. DOT Volpe Center (Cambridge, MA)
Dabney Kern, Director for Operations, U.S. DOT Volpe Center (Cambridge, MA)
Stephen Popkin, Director for Research and Innovative Technology, U.S. DOT Volpe Center (Cambridge, MA)
Kelly Curran, Acting Director of Technical Center for Safety Management and Human Factors, U.S. DOT Volpe Center (Cambridge, MA)
Gregg Flemming, Acting Director of Technical Center for Policy, Planning, and Environment, U.S. DOT Volpe Center (Cambridge, MA)
Luisa Paiewonsky, Director of Technical Center for Infrastructure Systems and Technology, U.S. DOT Volpe Center (Cambridge, MA)
Jonathan Walker, Director of Technical Center for Communications, Navigation, Surveillance Systems, and Engineering, U.S. DOT Volpe Center (Cambridge, MA)
Vacant, Principal Deputy Asst. Sec for Multimodal Freight Infrastructure and Policy
Vacant, Deputy Asst. Sec for Multimodal Freight Infrastructure and Policy
Vacant, Director for Multimodal Freight
Paul Baumer, Acting Deputy Director for Multimodal Freight Infrastructure
Chandra Bondzie, Deputy Director for Multimodal Freight Operations
David Correll, Deputy Director for Multimodal Freight Research
Vacant, Director
Vacant, Deputy Director
Vacant, Director
Andrew Doctoroff, Supervisory Transportation Specialist