Michael Brian Brennan (born 1963) is the chief United States circuit judge of the United States Court of Appeals for the Seventh Circuit. He was first nominated on August 3, 2017, by President Donald Trump, and was re-nominated in 2018. He was confirmed May 10, 2018. He was previously a partner in the Milwaukee law firm Gass Weber Mullins LLC, and served 8 years as a Wisconsin Circuit Court judge.

Michael Brian Brennan
Seventh Circuit Court of Appeals
Chief Judge — U.S. Court of Appeals for the Seventh Circuit
Born 1963 in Milwaukee, WI
FJC ID: 4602991
- Gender
- Male
- Race
- White
Prior employment
- Judicial Conference of the United StatesMember · 2025–present
- Private practice, Milwaukee, Wisconsin1991–1995, 2008–2018
- Wisconsin Circuit Court, Milwaukee CountyJudge · 2000–2008
- Wisconsin Governor's Task Force to Enhance Probation1999–2000
- ↳staff counsel · 1999–2000
- ↳member · 2000
- Milwaukee County, WisconsinAssistant district attorney · 1997–1999
- Wisconsin Criminal Penalties CommitteeStaff counsel · 1998–1999
Law clerk , Hon. Daniel A. Manion · 1995–1997
Law clerk , Hon. Robert W. Warren · 1989–1991
Appointments
2018–present · Appointed by Donald J. Trump (Republican)
Education

- University of Notre DameB.A. · 1986