Thomas Hagen


  • Partner
  • Criminal Defense – 100%

As a partner at Kohlmeyer Hagen law Office Chtd., located in Mankato, Minnesota, Thomas Hagen has built an exceptional legal practice centered on personal service and unwavering attention to detail. With offices not only in Mankato but also in Rochester, MN, Tom has extended his reach and expertise throughout southern Minnesota.

With a specialization exclusively in criminal defense, Mr. Hagen has consistently delivered outstanding results for his clients. Over the years, he has successfully defended individuals facing a broad spectrum of legal challenges, from allegations of sexual assault, DUI, and DWI, to complex drug crime cases, serious felonies, and murder. His dedication to protecting the rights and interests of those he represents has earned him a sterling reputation in the legal community.

Tom's accomplishments and contributions to the field have not gone unnoticed. His recognition as a Rising Star by Minneapolis-St. Paul Magazine for an impressive decade, from 2012 to 2021, is a testament to his enduring excellence. This prestigious award, limited to no more than 2.5% of lawyers under the age of 40 in the State of Minnesota, reflects his exceptional legal skills and unwavering commitment to justice. He was also named a Super Lawyer in 2023, and Minnesota Attorneys of the Year.

Tom is an active member of numerous professional associations, including the American Bar Association, Minnesota State Bar, and Minnesota Association for Justice. His involvement in these organizations underscores his dedication to staying at the forefront of legal developments and maintaining the highest ethical standards in his practice.

Having handled a multitude of high-profile cases, Tom's legal expertise has garnered the attention of major media outlets. He has been interviewed by the New York Times, USA Today, NBC Dateline, and the Minneapolis Star Tribune, where he has provided insights on complex legal matters and showcased his deep understanding of the law.

His exceptional accomplishments extend to his recognition as a member of the National Trial Lawyers: Top 100, a distinction reserved for the most accomplished trial attorneys in the country. Furthermore, Tom has consistently received the highest rating allowed by, a leading legal directory, and has been honored with the prestigious Client Choice Award, reflecting his dedication to client satisfaction and outstanding legal representation.

Notably, on May 4, 2021, Tom received the highest honor as he was awarded the National Trial Lawyer of the Year from The National Trial Lawyers Association. This prestigious accolade solidifies his position as a legal luminary and a beacon of excellence in the legal profession. 

  • Ohio Northern University Pettit College of Law, Ada, Ohio
    • J.D. - 2007
  • Minnesota State University, Mankato, Minnesota
    • B.S. - 2004
    • Major: Political Science
  • Minnesota, 2007
  • U.S. Federal Courts, 2010
  • American Bar Association, Member
  • National Trial Lawyers Top 100
  • National Trial Lawyer of the Year
  • Super Lawyer
  • Minnesota Attorney of the Year
  • Minnesota Monthly List of Top Lawyers, 2022 - present
  • Calvin Johnson Law Office, Associate, 2007 to 2010
  • Criminal Defense – 100%
  • Arrested for DWI in Minnesota, 2013
  • English
  • 100%