Biography

Sonja recognizes the special nature of family law and is committed to working with each client to find solutions that address their unique needs, protecting their interests and guiding them through complex decisions involving business valuation, property settlement, child and spousal support as well as custody and parenting time.

Marriage dissolution combines strong emotions with decisions that carry lifelong financial implications. In addition to her extensive family law background, Sonja's knowledge of tax law, dispute resolution and estate planning enables her to resolve these cases in ways that minimize conflict while helping her clients achieve goals for themselves and their families.

Sonja's Master of Laws in tax and estate planning sets her apart from family law attorneys without such qualifications, positioning her to effectively assist clients with high incomes and complex financial holdings. Sonja has advised clients in marital dissolution proceedings with asset values ranging from $1 million to more than $200 million. 

Sonja understands the challenges faced by small business owners. A farmer's daughter and business manager of her family farm, Sonja has a detailed knowledge of agricultural operations. She understands the complexities of running a business, including general management, financial and tax planning and associated family dynamics.

Sonja is a highly capable litigator and reasoned advocate, dedicated to finding the best solution for her clients, often engaging in mediation before resorting to the expense of court proceedings. Sonja often serves as a Rule 114 qualified neutral mediator under the Minnesota General Rules of Practice, and uses those skills when negotiating solutions for her clients.

Sonja recognizes the special nature of family law and is committed to working with each client to find solutions that address their unique needs, protecting their interests and guiding them through complex decisions involving business valuation, property settlement, child and spousal support as well as custody and parenting time.

Marriage dissolution combines strong emotions with decisions that carry lifelong financial implications. In addition to her extensive family law background, Sonja's knowledge of tax law, dispute resolution and estate planning enables her to resolve these cases in ways that minimize conflict while helping her clients achieve goals for themselves and their families.

Sonja's Master of Laws in tax and estate planning sets her apart from family law attorneys without such qualifications, positioning her to effectively assist clients with high incomes and complex financial holdings. Sonja has advised clients in marital dissolution proceedings with asset values ranging from $1 million to more than $200 million. 

Sonja understands the challenges faced by small business owners. A farmer's daughter and business manager of her family farm, Sonja has a detailed knowledge of agricultural operations. She understands the complexities of running a business, including general management, financial and tax planning and associated family dynamics.

Sonja is a highly capable litigator and reasoned advocate, dedicated to finding the best solution for her clients, often engaging in mediation before resorting to the expense of court proceedings. Sonja often serves as a Rule 114 qualified neutral mediator under the Minnesota General Rules of Practice, and uses those skills when negotiating solutions for her clients.

Before Fox Rothschild

Prior to joining Fox Rothschild, Sonja was a partner at national law firm. Before that, she was a long-time partner in a regional law firm.

Bar Admissions

  • Minnesota

Education

  • University of Miami (LL.M. in Tax and Estate Planning, 2001)
  • Marquette University (J.D., 1989)
  • Carleton College (B.A., cum laude)
    • Political Science

Memberships

  • American Bar Association Family Law Section
  • Minnesota State Bar Association Family Law Section
  • Hennepin County Bar Association Family Law Section
  • Fellow, American Academy of Matrimonial Lawyers

Honors & Awards

  • Selected to the "Best Lawyers in America" list for Family Law in Minneapolis, MN by Best Lawyers (2018-2026)
  • Selected to the list of "Super Lawyers" for Family Law in Minnesota (2025)
  • Named a North Star Lawyer by the Minnesota State Bar Association, 2015-2016
  • Included in the list of Who’s Who in American Law
  • Included in the list of Who’s Who Among American Law Students