Thomas Hagen


  • Partner
  • Criminal Defense

As a partner of Kohlmeyer Hagen law Office Chtd., located in Mankato, Minnesota, Thomas Hagen has built his practice on personal service and attention to detail.

Practicing exclusively in criminal defense and workers' compensation, Mr. Hagen has successfully defended clients against allegations of sexual assault, DUI and DWI, drug crimes and serious felonies. 

Tom was named a Rising Star by Minneapolis-St. Paul Magazine from 2012 - 2021. This prestigious award is limited to no more than 2.5% of lawyers under the age of 40 in the State of Minnesota. Tom is a member of numerous professional associations including the American Bar Association, Minnesota State Bar and Minnesota Association for Justice. 

Having handled many high-profile cases, he has been interviewed by the New York Times, USA Today, NBC Dateline, as well as the Minneapolis Star Tribune. He has also been named a member of the National Trial Lawyers: Top 100, and has received the highest rating allowed by and has been awarded the Client Choice Award. On May 4, 2021, Tom was awarded National Trial Lawyer of the Year from The National Trial Lawyers Association.  

  • Ohio Northern University Pettit College of Law, Ada, Ohio
    • J.D. - 2007
  • Minnesota State University, Mankato, Minnesota
    • B.S. - 2004
    • Honors: cum laude
    • Major: Political Science
  • Minnesota, 2007
  • U.S. District Court District of Minnesota, 2010
  • Minnesota State Bar Association, Member
  • National College for DUI Defense, 2015
  • American Bar Association, Member
  • Rising Star, Super Lawyers, 2012 - 2018
  • U.S. News and World Report Best Lawyers “Best Law Firm” Tier – 2, Minneapolis, 2018
  • 10 Best American Institute of DUI/DWI Attorneys, 2014
  • Top 100 DUI Attorney, NAFDD, 2014
  • Top 100 Trial Lawyers, National Trial Lawyers, 2014
  • Top 40 Lawyers Under 40, American Society of Legal Advocates, 2013
  • Minnesota Attorney of the Year Award, 2020
  • National Trial Lawyer of the Year Award, National Trial Lawyers Association, May 4, 2021
  • Rising Star, Minneapolis-St. Paul Magazine, 2012 - 2021
  • Clients Choice Award,
  • Minnesota Monthly Listing Top Lawyers, 2022 - present
  • Calvin Johnson Law Firm, Associate, 2007 to 2010
  • Criminal Defense
  • Arrested for DWI in Minnesota, 2012 – Re-released, 2015, 2018
  • English