Trepanier MacGillis Battina P.A. 8000 Flour Exchange Building 310 Fourth Avenue South Minneapolis, MN 55415 612.455.0500
Trepanier MacGillis Battina P.A. 8000 Flour Exchange Building 310 Fourth Avenue South Minneapolis, MN 55415 612.455.0500

James C. MacGillis

James C. MacGillis

Shareholder Attorney
Direct Dial: 612.455.0503
Fax: 612.455.0501

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James C. MacGillis is a business attorney focusing on the corporate, employment, and real estate needs of entrepreneurs and growing businesses. Jim’s transactional background, coupled with his experience in pursuing litigation when necessary, is particularly well-suited to small and medium-sized businesses that need their legal concerns addressed promptly, efficiently, and effectively.

Jim prides himself on exceeding his clients’ expectations. His responsiveness, creativity, and ability to efficiently evaluate, advise, and advocate for his clients has earned him the respect of his peers, as Jim has been named a Super Lawyer from 2017-2023 by Minnesota Super Lawyers magazine.
Jim graduated from the University of Minnesota Law School in 1997, where he was a managing editor for the Minnesota Law Review. In addition, he earned a Masters in Public Affairs from the University of Minnesota’s Humphrey Institute of Public Affairs in 1998. After graduating from the University of Minnesota, Jim joined the Hinshaw & Culbertson law firm in its Minneapolis office, practicing primarily in business and corporate law. Jim is a founding shareholder of Trepanier & MacGillis P.A., now Trepanier MacGillis Battina P.A.

Jim was born and raised in Milwaukee, but has lived and worked in Cleveland, Philadelphia, Washington D.C. and abroad. In 2001 and 2002, he served as a Peace Corps Volunteer in Honduras as a small business development volunteer. Jim is fluent in Spanish and has represented clients from Brazil, Colombia, Honduras, Mexico, Peru, and Venezuela. Jim is licensed in Minnesota and Wisconsin.

Jim served as section chair of the Business & Securities Law Section of the Hennepin County Bar Association from 2008 through 2010. Additionally, Jim has spoken before classes at the University of St. Thomas New Venture MBA Program. Jim has volunteered with the Hennepin County Self-Help Legal Clinic, assists low income clients through the Volunteer Lawyers Network, and works with qualified businesses as part of the the Minnesota State Bar Association’s LegalCorps program.

Outside of the law, Jim officiates high school and collegiate lacrosse and spends time outdoors camping, hunting, and fishing.

Practice Areas:


  • John Carroll University, B.A. (1992) cum laude
  • University of Minnesota, J.D. (1997) cum laude
  • University of Minnesota, M.A. in Public Affairs (1998)


  • 2017 – 2023 Super Lawyer
  • 2006, 2009 & 2010 “Rising Star,” Super Lawyers Magazine
  • Alpha Signa Nu – Jesuit Honor Society
  • John Carroll University Honors Scholar

Jurisdictions Admitted:

  • Minnesota Supreme Court (1998)
  • U.S. District Court, District of Minnesota (1998)
  • Wisconsin Supreme Court (2022)

Agency Appearances:

  • American Arbitration Association
  • Equal Employment Opportunity Commission
  • Financial Industry Regulatory Authority (FINRA)
  • Minnesota Board of Nursing
  • Minnesota Department of Employment & Economic Development
  • Minnesota Department of Commerce
  • Minnesota Department of Human Rights
  • Minnesota Department of Labor & Industry
  • National Labor Relations Board

Professional Associations:

  • Minnesota State Bar Association
  • Hennepin County Bar Association
  • Volunteer Lawyers Network

Board Associations:

  • MacGillis Family Foundation (director)


  • Spanish

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