Jana Aune Deach

Minnesota

Cozen O’Connor
150 S 5th Street, Unit 1200
Minneapolis, MN 55402
United States

Tel: (612) 877-5305

Email: jdeach@cozen.com
Web: https://www.cozen.com/

Professional Biography

Jana is a nationally recognized family law practitioner with more than two decades of experience advising individuals and families through 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, while remaining focused on long-term financial and family outcomes.

Her practice centers on complex and high-asset family law matters, including divorces involving significant wealth, business interests, executive compensation, nonmarital claims, and intricate asset and income structures. Jana also advises on custody and parenting arrangements, child support, and spousal maintenance, as well as complex property valuation and division. She brings a refined, solutions-oriented approach to negotiation, settlement, and litigation.

In addition to her advocacy work, Jana serves as a Rule 114 Qualified Neutral, providing alternative dispute resolution services including mediation, arbitration, and evaluative processes. Her deep subject-matter knowledge and composed, impartial approach make her a sought-after neutral for parties seeking efficient and confidential resolution outside the courtroom.

Jana is highly engaged in the legal community as 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 leadership and the continued development of family law practice.

She joined the firm in 2026 with colleagues from Moss & Barnett, where she served on the board of directors and the firm’s community outreach committee. Jana earned her B.A., magna cum laude, in history from the University of North Dakota, and 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.

Cozen O’Connor’s family law practice advises clients on a wide range of personal and complex domestic matters, combining strong legal capability with a thoughtful, client-centered approach. The team handles issues including divorce, property division, alimony, child custody and support, domestic violence, and prenuptial and postnuptial agreements, representing both financially independent and dependent parties.

With more than three decades of experience, the firm is well known for resolving sophisticated family disputes efficiently, often through alternative dispute resolution methods such as mediation and arbitration. When litigation is required, its attorneys bring substantial trial and appellate experience, regularly appearing in state courts and managing complex, multi-faceted proceedings.

Cozen O’Connor’s lawyers are active leaders in the family law community, contributing to publications, speaking engagements, and professional organizations, ensuring they remain at the forefront of legal developments. Clients also benefit from the firm’s full-service platform, with close collaboration across areas such as tax, trusts and estates, corporate, and real estate to deliver comprehensive, strategic solutions.

Cozen O’Connor is an international, full-service law firm with a strong reputation across litigation, business law, and government relations. Founded in 1970, the firm has grown to include more than 1,000 attorneys practicing across North America and Europe, serving clients from offices in over 30 cities.

The firm represents a diverse client base, including Fortune 500 companies, middle-market businesses, emerging enterprises, and high-profile individuals. Its multidisciplinary practice spans complex commercial litigation, corporate transactions, regulatory matters, intellectual property, labor and employment, and industry-specific sectors such as insurance, aviation, and construction.

Cozen O’Connor is particularly known for its litigation heritage, with a longstanding track record as a leading trial firm handling high-stakes disputes and complex claims. At the same time, its corporate and regulatory teams provide practical, business-focused advice, guiding clients through sophisticated transactions and evolving regulatory environments.

The firm emphasizes a results-driven approach, combining intellectual rigor with efficiency and commercial awareness. Its lawyers work collaboratively across offices and disciplines to deliver tailored strategies aimed at achieving optimal outcomes for clients, regardless of the complexity or scale of the matter.

Recognized among the top law firms in the United States, Cozen O’Connor continues to build on its reputation for excellence, offering comprehensive legal services grounded in experience, innovation, and a commitment to client success.

“Operating at the top tier of matrimonial practice, Jana is known for her strategic insight and composed handling of high-stakes family law disputes. Clients value her ability to deliver clear, forward-looking solutions, while her reputation as a skilled neutral further underscores her standing in the field.”
The Family Attorneys, 2025