Matthew J. Mankey

Matthew J. Mankey

Sole Practitioner
Golden Valley, Minnesota

Mr. Mankey graduated from Benilde-St. Margaret’s High School in 1976.  He attended St. John's University where he attained a major in government and history with a minor in philosophy in 1980 but deferred graduation for a year to attend the University of Salzburg, in Austria. He earned a Master's Degree in International Affairs from the American University. During his studies at American University he attended the Instituto de Instruccion de Espanol in Cuernavaca, Mexico in 1983. In 1985 Mr. Mankey completed his Master's program which included a published thesis on the Nicaraguan Revolution. Mr. Mankey has worked as a Congressional Staff person and as a lobbyist on Capitol Hill.   He attended William Mitchell College of Law during which time he worked in the family law clinic and in the criminal division of the Hennepin County Attorney's Office drug prosecution team.  He graduated from law school with honors in 1992.  After graduating from law school Mr. Mankey practiced exclusively in the area of criminal defense.  Mr. Mankey has been admitted to the Minnesota State Bar since 1992 and the Federal Bar since 1993. He was accepted onto the Criminal Justice Panel in 1997 and has been appointed by the federal court to dozens of federal criminal cases since that time. In addition to his private practice he served as a contract public defender in Hennepin County in 2004-05 and in Anoka County in 2012. He was chosen to serve as a conciliation court judge in 1997 and has presided part-time since that time.  The location of Mankey Law Office has been in its current location in Golden Valley since 1992.

Areas of Practice

  • 100% Criminal Law
  • Drug Violations
  • Assault
  • Robbery & Burglary
  • Sex Crimes
  • Federal Crimes

Bar Admissions

  • Minnesota, 1992
  • U.S. District Court District of Minnesota, 1993
  • U.S. Court of Appeals 8th Circuit, 1993


  • William Mitchell College of Law, St. Paul, Minnesota
    • J.D. cum laude - 1992
    • Honors: With Honors
  • St. John's University, Minnesota
    • B.A.
    • Major: Government, History

Published Works

  • Sandinista Development Programs and the Contra War 1979-84, University of Michigan Microfilms, International Development, 1985


  • Immigration Consequences of Criminal Convictions, National Immigration Lawyers Association, 2011 - 2012

Honors and Awards

  • Super Lawyer, 2003 - 2005
  • Super Lawyer, 2007

Professional Associations and Memberships

  • National Association of Criminal Defense Lawyers, Member, 1997 - 2013
  • Minnesota State Bar Association, Member, 1992 - 2012

Past Employment Positions

  • Congressman Bill Frenzel, Congressional Staffer, 1987 - 1988
  • Chwat Weigend Associates, Lobbyist, 1988 - 1989