Jonathan Davidson is a U.S. government official and lawyer serving as the chief of staff of the United States Department of Homeland Security since August 2023.

[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.

[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.

[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.