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Jennifer Lee Mascott

Judge, U.S. Court of Appeals for the Third Circuit. Active service.

Confirmed 50 to 47Confirmed from the official record

Career, as the Federal Judicial Center prints it

Law clerk, Hon. Brett M. Kavanaugh, U.S. Court of Appeals for the District of Columbia Circuit, 2006-2007
Law clerk, Hon. Clarence Thomas, Supreme Court of the United States, 2008-2009
George Washington University Law School, 2011-2013, 2015-2017; professorial lecturer in law, 2011, 2012, 2012-2013, 2015; Olin/Searle Fellow, 2016-2017
Olin/Searle Fellow, Georgetown University Law Center, 2015-2017
Private practice, Arlington, Virginia, 2017-2019
Assistant professor of law, George Mason University Antonin Scalia Law School, 2017-2024 (on leave 2019-2021); co-director, Administrative Law and Supreme Court Clinics, 2017-2018; faculty director and founder, Separation of Powers Student Litigation Clinic, 2021-2024; co-executive director, C. Boyden Gray Center for the Study of the Administrative State, 2021-2024
U.S. Department of Justice, 2019-2021; deputy assistant attorney general, Office of Legal Counsel, 2019-2020, 2020-2021; associate deputy attorney general, 2020-2021
Associate professor of law, Catholic Law School, 2024-2025; founder and director, Separation of Powers Institute and Student Litigation Clinic, 2024-2025
Senior counsel, White House Counsel's Office, 2025

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