Jeffrey S. Billings

David J. Sisson is a shareholder in the firm’s Litigation and Labor and Employment Practices. David solves problems that arise when critical personal business relationships end. These include disputes involving departing key employees and shareholders in closely held corporations and others who owe fiduciary duties. Controversies often develop at the conclusion of these relationships regarding what may be owned by, or owed to, the respective parties. A departing employee may try to esta...

Bill Ehrke is a shareholder with Crivello Carlson, S.C. Bill’s civil litigation practice focuses on the defense of corporations, insurers, municipalities, creditors, lenders, and repossession agents, with emphasis on personal injury defense, first party property insurance investigations and bad faith defense, the defense of lenders and repossession agents in Wisconsin Consumer Act and Fair Debt Collection Practices Act claims, third party casualty insurance defense, municipal civil righ...

Elissa Bowlin is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Elissa, who practices law in Milwaukee, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elissa is held by other top lawyers in the same geographic and legal practice area.

Mark A. Cameli is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation and Litigation - Securities. Mark A., who practices law in Milwaukee, Wisconsin, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark A. is held by other top lawyers in the same geographic and legal practice area.

Christa is a commercial litigator with a focus on business relationships that break down. She also serves on the firm’s Board of Directors. With attention to detail, Christa especially enjoys tackling challenging procedural issues and working with large sets of data. Whether her client’s goal is to fight to win or resolve a dispute through settlement, Christa works hard for the best possible result for her client, relying on her good judgment and experience to give honest and prac...

William R. Cummings is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. William R., who practices law in Milwaukee, Wisconsin, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William R. is held by other top lawyers in the same geographic and legal practice area.

Stacy Luell is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance. Stacy, who practices law in Milwaukee, Wisconsin, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stacy is held by other top lawyers in the same geographic and legal practice area.

Background Mr. Prachthauser was born in Milwaukee, Wisconsin, on January 7, 1951. Prior to joining the firm, he was House Counsel for Employers Insurance of Wausau. He is married to Joan Marie, and they reside in Hartland, Wisconsin. He has two daughters, Emily and Tracy. Lectures Mr. Prachthauser is a frequent presenter and speaker for the State Bar of Wisconsin, American Board of Trial Advocates, and Wisconsin Academy of Trial Lawyers. He has been a Civil Trial Practice Instructor at the Un...

Allen C. Schlinsog, Jr. is a shareholder, chair of the firm's Litigation Practice and chair of the Product Liability and Safety Practice Group. His practice focuses on defense of the pharmaceutical and medical device industry. Al has represented drug and device companies in significant class actions, product liability and mass tort proceedings. He also regularly defends catastrophic injury cases involving a wide variety of products in highly regulated industries, including mining equipment, c...

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 ...