David N. Iancu

Mike Wirth is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. Mike is a seasoned trial attorney with more than 30 jury trials across Wisconsin. He focuses his practice on professional liability, insurance coverage litigation and appellate representation. Mike has extensive experience handling professional liability claims against attorneys, law firms, accountants, accounting firms and medical professionals. His insurance coverage practice in...

Monte E. Weiss is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Insurance Law, Litigation - Insurance and Personal Injury Litigation - Defendants. Monte E., who practices law in Mequon, Wisconsin, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Monte E. is held by other top lawyers in the same geographic and legal practice area.

Adam J. Tutaj is a shareholder of the firm, and concentrates his practice in the areas of business, tax and health law. Since joining the firm in 1999, he has developed his practice as “general counsel” to clients in a wide range of industries, including: manufacturing, physician group practices, real estate developers, and large 501(c)(3) medical specialty organizations having national and international scope. Adam is a frequent speaker and author on the issues of tax law, health...

Tom Myers is a Shareholder in the Business Practice Group. Tom focuses his practice on mergers and acquisitions, succession planning, executive compensation, ESOP transactions, business counseling, corporate finance and taxation. He represents manufacturers, distributors, large retailers, software companies, mezzanine lenders, private equity sponsors and financial institutions. Tom has served as lead attorney for both sellers and buyers of businesses and has many years of effective service in...

Mark Malloy is a trial lawyer who represents businesses in all types of commercial litigation, primarily advising companies in the areas of insurance coverage, extra-contractual liability, and professional liability. Mark is licensed in Wisconsin, Minnesota, and Illinois, and various federal courts. He represents companies in litigation across the country. Clients contact Mark for analysis and opinions relating to complex insurance coverage issues for both personal and commercial lines. In pa...

John K. Tokarz is a business lawyer whose practice focuses on complex transactions. As a Certified Public Accountant who previously worked as an auditor for a Big Four accounting firm, John understands his clients’ businesses. From startups to publicly traded companies, he provides a full range of transactional and strategic support to clients with matters involving mergers and acquisitions, joint ventures, divestures, securities offerings and other significant corporate transactions. I...

Chris Smith is a Shareholder and co-Chair of the Real Estate Section at von Briesen & Roper, s.c. He focuses his practice on real estate development, eminent domain and property tax. He has significant experience in all phases of real estate development with a particular emphasis on drafting and negotiating development agreements, Tax Increment Financing (TIF) and public-private partnerships. He represents both public and private entities on eminent domain matters and property tax assessm...

Joe is the chair of the firm’s Litigation Practice Group. He manages a variety of complex cases involving software class actions, real estate, products liability, banking, intellectual property, and anti-trust matters. He has extensive experience representing both large and small plaintiffs and defendants in challenging civil litigation. He has been selected as a member of the Wisconsin Super Lawyers for six years in a row. Prior to joining O’Neil Cannon, Joe was an associate at t...

John A. Erich is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John A., who practices law in Milwaukee, Wisconsin, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John A. is held by other top lawyers in the same geographic and legal practice area.

John Sikora is a Shareholder representing clients in tax planning, tax controversies and the buying and selling of businesses and real estate with a particular focus on corporate, partnership and other business matters. John is an adjunct professor of law at Marquette University Law School, where he has taught the tax practice and procedure and corporate income tax courses. John has also taught the taxation of partnerships and S corporations course to graduate accounting degree candidates at ...