John M. Van Lieshout

John M. Van Lieshout is a shareholder at Reinhart Boerner Van Deuren s.c. in Milwaukee and practices in the firm’s environmental, real estate, and litigation groups. He advises businesses, developers, municipalities, government agencies, lenders, and other clients on environmental regulation, contaminated property matters, real estate disputes, and creditor-debtor litigation. His practice combines regulatory knowledge, litigation strategy, and practical problem-solving to help clients manage complex legal and financial risks.

John earned his J.D. from Marquette University Law School and his B.A., magna cum laude, from Marquette University. He is admitted to practice in Wisconsin. His academic background and extensive work in environmental and real estate law provide a strong foundation for evaluating regulatory obligations, developing litigation strategies, and guiding clients through matters involving property, financing, enforcement, and environmental cleanup responsibilities.

John represents buyers and sellers in environmental due diligence connected with mergers and acquisitions and assists developers seeking brownfields financing. His experience includes Superfund and CERCLA matters, including the Fox River PCB litigation, as well as environmental forfeiture cases involving the Clean Air Act, Clean Water Act, stormwater requirements, and asbestos. He also handles eminent domain matters for municipalities and government agencies, mortgage foreclosures, and actions involving guarantors and other complex creditor-debtor disputes.

John M. Van Lieshout has been recognized by Best Lawyers in America for environmental law and environmental litigation and has been selected for Wisconsin Super Lawyers since 2005. Chambers USA has also recognized him among leading lawyers for business, and the Wisconsin Law Journal named him to its 2025 Environmental Law Powerlist. He supports professional and community organizations, including the Milwaukee Bar Association, the State Bar of Wisconsin, Sponsor-A-Scholar, and the Boys and Girls Club. His practical approach helps clients pursue efficient, well-reasoned resolutions.

Law Office Affiliations

• Shareholder, Reinhart Boerner Van Deuren S.C.
• Member, Milwaukee Bar Association
• Member, State Bar of Wisconsin

Licensed State

• Wisconsin

Education

• Marquette University Law School
  Juris Doctor (JD)
• Marquette University
  Bachelor of Arts (BA)