John Joseph Tharp Jr. (born September 18, 1960) is an American lawyer who has served as a United States district judge of the United States District Court for the Northern District of Illinois since 2012. He also served as a judge of the United States Foreign Intelligence Surveillance Court from 2018 to 2025.
- Gender
- Male
- Race
- White
Prior employment
- Private practice, Chicago, Illinois1991–1992, 1997–2012
Northern District of IllinoisAssistant U.S. attorney · 1992–1997
Law clerk , Hon. Joel M. Flaum · 1990–1991
U.S. Marine Corps Reserve1980–1982, 1987–1988- U.S. Marine Corps1982–1987
- ↳second lieutenant · 1982–1984
- ↳first lieutenant · 1984–1987
- ↳captain · 1987
- U.S. Naval Reserve1978–1980
Appointments
2012–present · Appointed by Barack Obama (Democratic)
Education
- Duke UniversityB.A. · 1982