William Walter Mercer
Judge, U.S. District Court for the District of Montana. Born 1964.
Federal judicial service
Newest firstJudge, U.S. District Court for the District of Montana
- Appointed by
- Donald J. Trump (Republican)
- Nominated
- Jul 15, 2025
- Senate vote
- 52 to 45
- Confirmed
- Oct 22, 2025
- Commissioned
- Nov 6, 2025
Education
- B.A., University of Montana, 1986
- M.P.A., Harvard University, 1988
- J.D., George Mason University School of Law (now Antonin Scalia Law School), 1993
Career
- Attorney advisor, U.S. Department of Justice, 1994
- Assistant U.S. attorney, District of Montana, 1994-2001
- Adjunct faculty, Montana State University--Billings, 1996
- Adjunct faculty, University of Montana, 1997-1999
- U.S. attorney for the District of Montana, 2001-2009
- U.S. Department of Justice, 2005-2007
- principal associate deputy attorney general, 2005-2006
- acting associate attorney general, 2006-2007
- Private practice, Billings, Montana, 2010-2025
DataSources: Federal Judicial Center, Biographical Directory of Article III Federal JudgesData as of Oct 29, 2026
A work of the U.S. government, not under copyright (17 U.S.C. 105).