Mark A. Shiller

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...

Jennifer L. Ciralsky is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Jennifer L., who practices law in Milwaukee, Wisconsin, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer L. is held by other top lawyers in the same geographic and legal practice area.

Elissa Bowlin is a top attorney recognized by Best Lawyers in the practice area(s) of 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.

Zachary Flood is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance and Litigation - Labor and Employment. Zachary, 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 Zachary is held by other top lawyers in the same geographic and legal practice area.

Doris Brosnan is a Shareholder in the firm’s Labor and Employment Law Section, and focuses on assisting clients with employment issues. Doris regularly advises health care and corporate clients on dealing with disloyal or difficult employees, accommodating disabilities in the workplace, harassment, workplace violence, FMLA, and the development of effective employment policies and practices. She regularly assists clients in preparing and implementing employee transition plans, including ...

David G. Peterson is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. David G., who practices law in Waukesha, Wisconsin, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David G. is held by other top lawyers in the same geographic and legal practice area.

Pete Faust is the president and managing shareholder of O’Neil Cannon and an experienced deal and corporate lawyer. Pete assists buyers, sellers, borrowers, lenders, and investors with a wide range of business law matters, including mergers and acquisitions, formation and organization of new businesses, and contract negotiations. Pete has successfully closed hundreds of mergers and acquisitions and financing transactions, ranging in deal size from few million dollars to $500 million. Pe...

Nathan Bayer is a top attorney recognized by Best Lawyers in the practice area(s) of Municipal Law. Nathan, 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 Nathan is held by other top lawyers in the same geographic and legal practice area.

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

Greg represents clients in the prosecution and defense of complex commercial litigation. His extensive experience in commercial litigation has prepared him to successfully represent large corporations as well as small businesses and individuals. Greg also has extensive experience representing individuals in inheritance litigation. He has successfully litigated many will contests and trust disputes throughout Wisconsin. Greg has accomplished tremendous results on behalf of trustees, personal r...