Nancy M. Bonniwell

  • Office:
    • Waukesha

      20975 Swenson Drive
      Suite 400
      Waukesha, WI 53186


      411 East Wisconsin Avenue
      Suite 1000
      Milwaukee, WI 53202

  • Telephone: (262) 646-1527 (414) 270-2520
  • Fax: (262) 646-3440 (414) 238-6536

Nancy Bonniwell is a Shareholder focusing her practice on estate, business succession and marital property planning, estate administration and business law. She is a frequent presenter on the subjects of estate planning, business succession planning and charitable giving. Nancy is recognized in The Best Lawyers in America® (Trusts and Estates 2012-2019) and was the recipient of the Outstanding Advisor of the Year Award from the Greater Milwaukee Foundation in 2014. Additionally, she was recognized as one of the Wisconsin Law Journal’s “Women in the Law” and is a Fellow of the Wisconsin Law Foundation.

Nancy is very involved in the Waukesha County community. She is the Chair of the Town of Delafield Board of Appeals and is a member of the Waukesha County Board of Adjustment. She serves on the board of directors of ProHealth Care Foundation and is a director and member of the executive board of Tall Pines Conservancy, a land trust located in Waukesha County. She is also an active member of the Planned Giving Council of Children’s Hospital and Health System, the Advisory Board of Waukesha County Community Foundation, and Lake Country Charity Connection.

Nancy is a member of the Waukesha County Bar Association, the Milwaukee Bar Association, the Association for Women Lawyers, Professional Dimensions, TEMPO Waukesha, and the Waukesha County Estate Planning Council where she also served as President.


Practice Areas:


  • University of North Dakota Law School, J.D.
  • University of Wisconsin, B.S., with honors

Bar Admissions:

  • Wisconsin
  • U.S. District Court, Eastern and Western Districts of Wisconsin

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