DEPARTMENT OF TRANSPORTATION

SECRETARIES

FORMER SECRETARIES

[photo, Samantha J. Biddle, Maryland Acting Secretary of Transportation] SAMANTHA J. BIDDLE
Acting Secretary of Transportation, 2025-26

Acting Secretary of Transportation, August 1, 2025 to January 6, 2026. Deputy Secretary of Transportation, 2023-.

Member, Governor's Executive Council, 2025-26; Governor's Council on the Chesapeake Bay, 2025-26; Governor's Subcabinet on Climate, 2024-26; Commerce Subcabinet, 2025-26; Governor's Subcabinet on Infrastructure, 2025-26; Governor's Subcabinet for International Affairs, 2025-26; Maryland Subcabinet for Public-Private Partnerships, 2025-26; Sustainable Growth Subcabinet, 2025-26. Chair, Maryland Aviation Commission, 2025-26; Maryland Zero Emission Electric Vehicle Infrastructure Council, 2025-26; Maryland Port Commission, 2025-26; Maryland Transportation Authority, 2025-26; Executive Committee, Transportation Enhancements Program, 2025-26. Co-Chair, Executive Committee for Dredged Material Management Plans, 2025-26.

Member, Interagency Committee on Aging Services, 2025-26; Asbestos Oversight Committee, 2025-26; Baltimore Regional Transportation Board, 2025-26; Capital Debt Affordability Committee, 2025-26; Chesapeake Bay Bridge Reconstruction Advisory Group, 2025-26; Commission on Climate Change, 2025-26; Coast Smart Council, 2025-26; Critical Area Commission for the Chesapeake and Atlantic Coastal Bays, 2025-26; Maryland Cybersecurity Coordinating Council, 2025-26; Commission on State Debt, 2025-26; Interagency Disabilities Board, 2025-26; Maryland Economic Development Corporation, 2025-26; Commission on Environmental Justice and Sustainable Communities, 2025-26; Government Efficiency Commission, 2025-26; Maryland Green Building Council, 2025-26; Maryland Green Purchasing Committee, 2025-26; State Coordinating Committee for Health and Human Services Transportation, 2025-26; Maryland Heritage Areas Authority, 2025-26; Maryland Advisory Council on Historic Preservation, 2025-26; Historic St. Mary’s City Fort to 400 Commission, 2025-26; Interagency Council on Homelessness, 2025-26; Statewide Interoperability Executive Committee, 2025-26; Statewide Interoperability Radio Control Board, 2025-26; Invasive Plants Advisory Committee, 2025-26; Maryland Military Installation Council, 2025-26; Council on Open Data, 2025-26; Patuxent River Commission, 2025-26; Pricing and Selection Committee for Blind Industries and Services of Maryland and the Employment Works Program, 2025-26; Principals' Staff Committee to Chesapeake Executive Council, 2022-26; Procurement Improvement Council, 2025-26. Member, Interdepartmental Advisory Committee on Small, Minority, and Women Business Affairs, 2025-26; Interagency Committee on Specialized Transportation, 2025-26. Board of Directors, Washington Metropolitan Area Transit Authority, 2025-26. Member, Washington Suburban Transit Commission, 2025-26; West North Avenue Development Authority, 2025-26.

Member, Climate, Energy and Environment Policy Committee of Metropolitan Washington Council of Governments, 2022-26; Board of Visitors, R. Adams Cowley Shock Trauma Center, University of Maryland Medical System, 2022-26.

University of Delaware, B.A. (geography). Baltimore’s Woman of the Year, Women’s Transportation Seminar, 2024. Maryland's Top 100 Women, Daily Record, 2024. Married; two children.

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