Jonathan E. Sacks

Thomas Schrimpf has an extensive commercial litigation and appellate practice that emphasizes issues involving insurance coverage, employment and environmental law. Insurance Coverage: Mr. Schrimpf is experienced in the review and analysis of complex coverage issues concerning commercial and personal lines liability insurance and environmental claims. He has prosecuted and defended insurance coverage litigation relative to commercial claims, construction, environmental and toxic torts. Employ...

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...

JB leads O’Neil Cannon’s Business Law Practice Group and is a United States Air Force Veteran. He works with and advises clients on a wide range of business law matters, including form of entity selection and initial capitalization, raising funds through private equity offerings, securities compliance and broker/dealer matters, mergers and acquisitions, contract preparation and negotiation, and software, technology, and IP matters. JB Assists Clients With Mergers, acquisitions, an...

Joseph A. Kromholz is one of the founding shareholders of Ryan Kromholz & Manion, S.C., located in Brookfield, Wisconsin. The firm, which traces its roots back to 1873, was formed in 1998 and practices in all areas of intellectual property law including related litigation. Mr. Kromholz is registered to practice before the United States Patent and Trademark Office and admitted to practice in the United States District Court for the Eastern and Western Districts of Wisconsin and before seve...

Although he was born, raised, and offices in southeastern Wisconsin, Tim Trecek has earned a national reputation as a successful plaintiff’s trial lawyer. Mr. Trecek’s successes have been so noteworthy that they have been chronicled in papers throughout the United States. Mr. Trecek’s notable cases have been reported in the Boston Globe, the Washington Post, the Fort Worth Star Telegram, the Minneapolis Star Tribune, the San Francisco Chronicle and dozens of other publicatio...

Jeffrey R. Fuller is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Jeffrey R., who practices law in Milwaukee, Wisconsin, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey R. is held by other top lawyers in the same geographic and legal practice area.

Mark Schmidt is a Shareholder in the Litigation and Risk Management Practice Group and Co-Chair of the Construction Law and Litigation Section. Mark helps clients resolve their most challenging and complex problems by focusing on practical solutions and efficient business results. Mark is directly involved in all aspects of negotiation, strategic planning, risk assessment, arbitrations, mediations and court and jury trials in state and federal court. Mark’s broad experience covers all a...

Mary is a shareholder with Crivello, Nichols and Hall, S.C. and is a member of the firm’s Board of Directors. For over 35 years, Mary has defended lawsuits in state and federal courts in Wisconsin, and has extensive experience consulting with and representing private and municipal employers in state and federal matters before the Equal Rights Division and Equal Employment Opportunity Commission. She consults with and advises clients on matters regarding personnel policies, practices and...

Brian G. Carroll is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Brian G., who practices law in Waukesha, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian G. is held by other top lawyers in the same geographic and legal practice area.

Robert K. Sholl is an experienced attorney in the Litigation and Labor & Employment Practices at Reinhart Boerner Van Deuren s.c. He is licensed in both Wisconsin and Illinois. Representing management exclusively, Mr. Sholl advises and defends employers in the full range of labor and employment law matters. His employment practice encompasses employment discrimination, workplace harassment, noncompete agreement, whistleblower, wage/hour, and breach of employment contract lawsuits before f...