Thomas R. Schrimpf

Bill West is a Shareholder and Chairs the Business Section and Co-Chairs the Mergers & Acquisitions Section. Bill is a trusted advisor to his clients and they rely on his ability to achieve desired outcomes in a practical, timely and cost-effective manner – in other words, he gets things done. He has over 30 years of experience in corporate and business related transactions including: Mergers and acquisitions Complex corporate and commercial transactions Corporate governance and bus...

Douglas P. Dehler is a shareholder with O’Neil, Cannon, Hollman, DeJong & Laing S.C . in Milwaukee, Wisconsin. He leads the firm’s Class Action and False Claims Act practice and represents clients in complex litigation matters involving class actions, whistleblower (qui tam) claims, and insurance-related disputes. Mr. Dehler’s practice includes Litigation - Insurance, with experience representing healthcare providers and business clients in disputes involving health insu...

Mark Kapocius is a school attorney with more than twenty years of experience working in administrative leadership roles for school districts in Wisconsin. As a Shareholder in the Government Law Group and School Law Section at von Briesen & Roper, s.c., Mark focuses his practice on school law and advising other public-sector entities on labor and employment matters, governance issues, collective bargaining, public records and open meetings compliance. Mark has extensive experience assistin...

Oyvind Wistrom is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Oyvind practices law in Milwaukee, Wisconsin Best Lawyers has recognized Oyvind Wistrom since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Oyvind Wistrom is held by other lawyers.

Shareholder Michael J. Cohen has more than 25 years of experience in complex commercial litigation in federal and state courts. His proven record of numerous favorable verdicts at the trial and appellate levels has earned him a reputation as one of Wisconsin’s preeminent business litigators. For many years, Mike has been recognized by members of the Wisconsin bar and judiciary as one of the top lawyers in the state. Mike concentrates his practice on complex commercial litigation includi...

Leila Sahar is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Leila practices law in Milwaukee, Wisconsin Best Lawyers has recognized Leila Sahar since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Leila Sahar is held by other lawyers.

Richard Orton is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation, Litigation - Construction, Litigation - Insurance, Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Richard practices law in Milwaukee, Wisconsin Best Lawyers has recognized Richard Orton since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the p...

Clayton Riddle is a Shareholder in the Litigation and Risk Management Practice Group. He focuses his practice on product liability, professional liability, transportation and trucking accidents, construction defects, fire cause and origin determination, premises liability and personal injury defense. Clayton is a Member and serves as a Wisconsin Firm Liaison for The Harmonie Group. He is also a member of the Wisconsin Defense Counsel and the National Retail and Restaurant Defense Association....

Jerome M. Janzer is the CEO of Reinhart Boerner Van Deuren s.c.. He is also co-chair of the firm's Real Estate Practice and a member of the Business Law Practice. Drawing on more than 25 years of experience, Jerry counsels and represents clients in a variety of industries including real estate, financial institutions, transportation, construction, manufacturing and printing. He advises his clients on every aspect of acquiring, growing and eventually selling a business including capitalization...

Colleen E. Fielkow is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Colleen E. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Colleen E. Fielkow since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Colleen E. Fielkow is held by other lawyers.