Nancy M. Bonniwell - Partner

Nancy M. Bonniwell is a partner in our Delafield and Milwaukee offices. She is the managing partner in the firm’s Delafield office. Her practice includes estate, business succession and marital property planning, estate administration and business law.

Nancy frequently speaks on the subjects of estate planning, business succession planning and charitable giving.

Nancy serves as the Chair of the Town of Delafield Board of Appeals and is a member of the Waukesha County Board of Adjustment. 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 past President of Waukesha County Estate Planning Council.

Nancy is a director and currently serves on the executive board of Tall Pines Conservancy, a land trust located in Waukesha County.  She also serves on the board of directors of ProHealth Care Foundation.

Nancy is a member of Professional Dimensions and TEMPO Waukesha.


  • Listed in the Best Lawyers in America® (Trusts and Estates 2012 – 2017)
  • Recipient of the Outstanding Advisor of the Year Award from the Greater Milwaukee Foundation (2014)
  • Recognized as a Women in the Law by Wisconsin Law Journal (2015)
  • Fellow of the Wisconsin Law Foundation