- Home
- Federal judges
- William Walter Mercer
William Walter Mercer
Active judge · U.S. District Court for the District of Montana
William Walter Mercer serves on the U.S. District Court for the District of Montana. Appointed by Donald J. Trump and confirmed Oct 22, 2025 by a 52–45 Senate vote. ABA rating: Well Qualified.
- Appointed by
- Donald J. Trump
- Confirmed
- Oct 22, 2025
- Senate vote
- 52–45
- ABA rating
- Well Qualified
- Born
- 1964
Appointments
- Judge, U.S. District Court for the District of MontanaDonald J. Trump · Oct 22, 2025
Education
- University of MontanaB.A., 1986
- Harvard UniversityM.P.A., 1988
- George Mason University School of Law (now Antonin Scalia Law School)J.D., 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
More
From the Federal Judicial Center’s biographical directory of federal judges.
Cite or embed this page
Capitol Receipts, “Judge William Walter Mercer, District Court for the District of…,” https://www.capitolreceipts.com/judge/j13762068/william-walter-mercer (accessed 2026-10-14).