Ronald J Sonderhouse

Ronald J Sonderhouse

Managing Partner
Waukesha, Wisconsin

Ron is a practicing attorney with over 25yrs. of legal experience. Ron graduated from the University of Detroit School of Law in 1990 after having obtained a Bachelors of Arts Degree in Business from Michigan State University in 1987. While attending law school, Ron also received a Masters Degree in Business. Ron began his legal career in Allegan, Michigan in 1991 where he worked as an Associate with Allegan Law offices. Ron represented a wide range of clients in business, family, criminal and other areas. In 1999, Ro moved to Pewaukee, Wisconsin and began working with Kay & Kay Law Firm again representing a diverse client base. In 2008, Ron formed a partnership with Peter M. Wolff under the firm name of Wolff & Sonderhouse, LLP. Ron continues to represent clients in various matters including criminal, family, probate, juvenile and other general practice areas. Throughout his legal career, Ron has held various leadership positions and been a member of legal and community organizations. While in Michigan, Ron served as President of the Allegan County Bar Association, President of the Allegan County Chapter of Kiwanis and Board Member of the Allegan County Substance Abuse Agency. Ron is currently the President Elect of the Waukesha County Bar Association, President Elect of the Waukesha County Chapter of Kiwanis International and serves as a Supplemental Court Commissioner for the Honorable Paul Bugenhagen. Ron is a member of the State Bar of Wisconsin, Eastern District of Wisconsin and a past member of the Wisconsin State Bar Board of Governors. Ron volunteers his time to Mediation Restorative Justice Center, Waukesha County Family Law Clinic, New Berlin Teen Court Program serving as Judge and is active with Kiwanis. Ron has been married to his wife, Debra for 22 years. Ron has a step-daughter, Monica who lives in New York. Ron's parents, Ran and Dorothy Sonderhouse reside in Delafield, Wisconsin and his brother, Randy resides in California. In his spare time, Ron likes to Scuba Dive, play golf and work in the community.

Areas of Practice

  • Criminal Law
  • Family Law
  • Probate/Guardianship
  • Juvenile/Chips
  • Civil

Bar Admissions

  • Michigan, 1990
  • Wisconsin, 1999
  • U.S. District Court Eastern District of Michigan, 2000


  • University of Detroit Mercy School of Law, Detroit, Michigan
    • J.D. - 1990
  • Michigan State University
    • B.A. - 1987
    • Major: Business Administration
  • University of Detroit Mercy
    • Masters Degree
    • Major: Business

Professional Associations and Memberships

  • Wisconsin State Bar, Member, 1999 - Present
  • Waukesha County Bar Association, President Elect, 1999 - Present
  • New Berlin Teen Court
  • Brookfield Chamber of Commerce, Legal Advisor
  • Criminal, Family, Juvenile, and Probate Sections, Waukesha County Bar Association, Member
  • Wisconsin Association of Criminal Defense Lawyers, Member

Past Employment Positions

  • Honorable Linda M. Van De Water, Supplemental Court Commissioner
  • Allegan Law Offices, Attorney, 1991 - 1998
  • Kay & Kay Law Firm, Attorney, 1999 - 2008

Pro Bono Activities

  • New Berlin Teen Court , 2008 - Present
  • Waukesha County Family Law Clinic, 2012 - Present