Jonathan Davidson (lawyer)

Davidson is a graduate of the University of North Carolina at Chapel Hill and the Georgetown University Law Center.^[1] He clerked for chief judge William K. Sessions III of the United States District Court for the District of Vermont.^[1]

Davidson served as chief of staff to U.S. senator Paul Sarbanes and U.S. representative John Sarbanes, and chief counsel to U.S. senator Mark Warner.^[1] He also served as the Biden-Harris Transition’s economic nominations confirmation team lead after the 2020 United States presidential election.^[1] Davidson worked as an adjunct professor at American University School of Public Affairs, periodically teaching a class on the legislative and political processes.^[1] Davidson worked on Capitol Hill for more than two decades.^[1] He served as U.S. senator Michael Bennet’s chief of staff from 2011 to 2020.^[1][2] He played a role in the passage of the child tax credit portion of the American Rescue Plan Act of 2021.^[2]

Davidson joined the United States Department of the Treasury as the counselor to secretary Janet Yellen.^[3] In 2021, he was nominated by U.S. president Joe Biden to serve assistant secretary of the Treasury for legislative affairs, succeeding Brian T. McGuire.^[1] He was confirmed by the U.S. senate in a 88–10 vote on November 2 and assumed office on the November 15.^[4] He helped lead the Treasury's efforts to pass and implement the Inflation Reduction Act and worked on a range of national security issues, including the Biden administration’s efforts in response to the Russian invasion of Ukraine and its push to diversify global supply chains.^[3] He resigned from his Treasury Department positions in 2023.^[5]

On July 20, 2023, Davidson was named as the incoming chief of staff of the United States Department of Homeland Security, following the elevation of Kristie Canegallo to acting deputy secretary.^[6] He assumed the role in August 2023.^[5]

In early 2025, Davidson joined the law firm WilmerHale as Senior Public Policy Advisor.^[7]