Jana Aune Deach

Member

Minneapolis

(612) 877-5305

(612) 260-9080

Recent News:

Am Law 100 Firm Cozen O’Connor Finalizes its Merger with Minneapolis-based Moss & Barnett

Cozen O’Connor has completed its acquisition by merger of Moss & Barnett, one of Minnesota’s leading law firms, adding more than 50 attorneys and bringing the overall roster to over 1,000 attorneys.

With more than two decades of experience, Jana is a nationally recognized family law practitioner trusted by individuals and families facing complex, high-stakes transitions. She is known for her strategic sophistication, discretion, and steady counsel, guiding clients through emotionally charged matters with clarity, confidence, and care—always mindful of long-term financial and family outcomes.

Jana’s practice focuses on complex and high-asset divorces, including matters involving significant wealth, business interests, executive compensation, nonmarital claims, and intricate asset and income structures. She advises clients on custody and parenting arrangements, child support and spousal maintenance, and complex property valuation and division, bringing a refined, solutions-oriented approach to negotiation, settlement, and litigation.

In addition to her advocacy work, Jana is a Rule 114 Qualified Neutral and provides Alternative Dispute Resolution services, including mediation, arbitration, and evaluative processes. Her deep subject-matter expertise and composed and impartial presence make her a sought-after neutral for parties seeking efficient, confidential, and sophisticated resolution outside the courtroom.

Highly engaged in the legal community, Jana is a frequent speaker and published author on advanced family law issues. She also teaches family mediation as an adjunct professor at Mitchell Hamline School of Law and at the Mediation Center of Minnesota, reflecting her commitment to excellence, leadership, and the thoughtful evolution of family law practice.

Jana joined the firm in 2026 along with her colleagues from Moss and Barnett, where she served on both the board of directors as well as the firm's community outreach committee. She earned her B.A., magna cum laude, in history from the University of North Dakota. She earned her J.D., with distinction, from the University of North Dakota School of Law, where she was an editor of the University of North Dakota Law Review.

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Experience

News

Am Law 100 Firm Cozen O’Connor Finalizes its Merger with Minneapolis-based Moss & Barnett

January 05, 2026

Cozen O’Connor has completed its acquisition by merger of Moss & Barnett, one of Minnesota’s leading law firms, adding more than 50 attorneys and bringing the overall roster to over 1,000 attorneys.

Education

  • University of North Dakota School of Law, J.D., 1999
  • University of North Dakota, B.A., magna cum laude, 1993

Awards & Honors

The Best Lawyers in America, “Lawyer of the Year,” Family Law, Minneapolis (2026)

The Best Lawyers in America (2014-present)

Minnesota Super Lawyers (2010-present)

“Top 50 Women” and “Top 100,” Minnesota Super Lawyers (2018-present)

Minnesota Rising Stars (2005-2009)

Top Lawyers in Minnesota, Minnesota Monthly (2025)

Professionalism Award, Hennepin County Bar Association Family Law Section (2022)

  • Minnesota
  • U.S. District Court - District of Minnesota

 Family Mediation Training, Mediation Center Minnesota (2024-present), Trainer

Family Mediation Training, Mitchell Hamline School of Law (2023-present), Adjunct Professor

Breaking Free, Board Member

GIVING WoMN, Grants Committee

ADR Ethics Board (2026)