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Nancy M. Bonniwell


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Nancy M. Bonniwell


  • Fax

    (262) 646-3440

    (414) 238-6536

  • Email

  • Office

    20975 Swenson Drive
    Suite 400
    Waukesha, WI 53186
    411 East Wisconsin Avenue
    Suite 1000
    Milwaukee, WI 53202

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. 

Resource: Ten Essential Legal Documents (PDF)


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

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

  • Waukesha County Bar Assoociation
  • Milwaukee Bar Association
  • Association for Women Lawyers
  • Professional Dimensions
  • TEMPO Waukesha
  • Waukesha County Estate Planning Council (former President) 

  • The Best Lawyers in America®, Trusts and Estates Law (2012-2024)
  • Outstanding Advisor of the Year Award, Greater Milwaukee Foundation (2014)
  • Wisconsin Law Foundation, Fellow

  • Town of Delafield Board of Appeals, Former Chairperson
  • Waukesha County Board of Adjustment, Member
  • Tall Pines Conservancy, Director and Member of Executive Board 
  • Planned Giving Council of Children’s Hospital and Health System
  • Waukesha County Community Foundation, Advisory Board Member 
  • Lake Country Charity Connection