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Judge Profile:

Chief Judge Peter A. Cahill

Hennepin County

Hennepin County Courthouse
Phone: (612)348-2040

Chambers Phone: 612-596-8733

Chambers Email: Email Chambers Staff


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


J.D., magna cum laude, University of Minnesota Law School, 1984

B.A., University of Minnesota College of Liberal Arts, 1981


  • Hennepin County Attorney's Office, Minneapolis, Minnesota 1997-2007
    Chief Deputy Hennepin County Attorney 2000-2007
    Managing Attorney, Juvenile Prosecution Division 1999-2000
    Assistant Hennepin County Attorney, Violent Crimes Division 1997-1999
  • Solo practitioner, Cahill Law Office, Wayzata, Minnesota 1993-1997
  • Partner, Colich & Cahill Law, Minneapolis, Minnesota 1987-1993
  • Assistant Public Defender, Hennepin County Public Defender's Office, Minneapolis, Minnesota 1984-1987

Additional Information

Assignment History

  • Chief Judge, July 2012-Present
  • Assistant Chief Judge, July 2010-June 2012
  • Criminal, Jan. 2010-June 2012
  • Drug Court, Oct. 2008-Dec. 2009
  • Criminal, May 2007-Oct. 2008

Teaching Experience

  • University of Minnesota Law School
    Judicial Skills Training
    Legal Writing Instructor
    Domestic Abuse Prosecution Clinic Supervisor
    Guest lecturer in Trial Practice
  • William Mitchell Law School: Legal Writing Instructor, Guest Lecturer in Criminal Procedure and Advanced Trial Advocacy
  • University of St. Thomas Law School: Guest Lecturer in Advanced Criminal Procedure
  • Frequent CLE and community speaker