Polly Ellen Trottenberg (born March 16, 1964)[1] is an American government official who served as Deputy Secretary of Transportation under Pete Buttigieg from 2021 to 2025.

[2] She earned a Bachelor of Arts degree in history from Barnard College of Columbia University in 1986 and a Master of Public Policy from the John F. Kennedy School of Government.

[5][6] Trottenberg also served as a transportation policy adviser for Senators Chuck Schumer, Barbara Boxer, and Daniel Patrick Moynihan, in addition to holding positions with the Port Authority of New York and New Jersey and the nonprofit Building America's Future.

[12] Trottenberg also served as the chair of TRANSCOM, a coalition of 16 transportation-related agencies in the New York metropolitan area, from 2015 to 2019.

[14] On January 18, 2021, it was announced that Trottenberg would serve as United States Deputy Secretary of Transportation in the incoming Biden administration.