Judge William H. Koch

Hennepin County Courthouse
Fourth Judicial District
(612) 348-2040

Chambers Phone: (612) 348-6432
Reporter: (612) 596-7685
Law Clerk: (612) 348-8972
Judicial Clerk: (612) 348-6432

Fourth Judicial District Judicial Officers

Judge William H. Koch

Appointed May 30, 2007. Elected in 2008 and 2014. His current term expires in January 2021.


J.D., George Washington University Law School; Washington, D.C., 1988
B.S.C.E., Duke University School of Engineering, Durham, N.C., 1985

  • Assistant U.S. Attorney - United States Attorney's Office, District of Minnesota (2000-2007)
  • Partner - Downey, Brand, Seymour & Rohwer LLP, Sacremento, CA (1997-2000)
  • Shareholder - Leonard, Street and Deinard PA, Minneapolis-St. Paul-Mankato, MN (1991-1997)
  • Area Defense Counsel - United States Air Force, Andrews Air Force Base, M.D. (1990-1991)
  • Director & Vice Chair - Andrews Federal Credit Union, Suitland, M.D. (1989-1991)
  • Special Assistant U.S. Attorney - United States Attorney's Office, District of Maryland (1988-1990)
  • Judge Advocate - United States Air Force, Andrews Air Force Base, M.D. (1988-1990)

Professional Memberships

Past and Present
Milton L. Schwartz American Inn of Court
American Bar Association (and Committees)
Minnesota State Bar Association (and Committees)
Hennepin County Bar Association (and Committees)
Minnesota District Judges Association
California State Bar Association (and Committees)

Additional Information

Assignment History
Criminal, June 25, 2012 - Present
Family, June 2009 - June 24, 2012
Criminal, May 2007 - May 2009

Past and Present Civic and Charitable Organizations
University of Minnesota Law School McGee Civil Rights Moot Court Competition Judge
Hispanic National Bar Association Moot Court Competition Judge
Minnesota State Bar Association Mock Trial Competition Judge
U.S. District Court Inmate Family Transportation Committee
University of St. Thomas Law School Student Mentor
PTSA President, President-Elect, Treasurer
Bloomington Athletic Association Coach - basketball and football
Southdale YMCA Coach - basketball, soccer, flag football, indoor soccer
Webster Elementary Student Court Judge
Duke University Alumni Association Regional Interviewer
Habitat for Humanity
HCBA Ethics Committee/Investigator
Philips Neighborhood Legal Clinic
St. Paul City Attorney Trial Intern Program
Minnesota HIV/AIDS Project