Gabrielle Baumann Adams

Michael J. Gentry is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Michael J., 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 Michael J. is held by other top lawyers in the same geographic and legal practice area.

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...

John is a member of the firm's Real Estate, Land Use and Construction Law Practice Group and Business Law Practice Group. He counsels his clients in all areas of real estate development, construction law, and commercial and construction financing: including, property acquisitions and dispositions; commercial, industrial, retail and office leasing; zoning; and land use law; and creditors' rights. John provides both preventive and remedial legal counsel to financial institutions, real estate de...

Andrew O. Christianson is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Andrew O., 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 Andrew O. is held by other top lawyers in the same geographic and legal practice area.

Lawrence J. Burnett is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Lawrence J., who practices law in Milwaukee, Wisconsin, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lawrence J. is held by other top lawyers in the same geographic and legal practice area.

Jerome R. Kerkman is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Commercial Litigation. Jerome R., who practices law in Milwaukee, Wisconsin, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jerome R. is held by other top lawyers in the same geographic and legal practice area.

Attorney Matthew Fernholz focuses his practice on commercial litigation, trust and fiduciary disputes, business torts, trade secrets, non-compete agreements, defamation, and appellate work. In addition, he has developed one of the preeminent political and election law practices in the State of Wisconsin, and has handled several high-profile matters, from representing candidates for statewide office, successfully challenging the Governor’s emergency powers, arguing before the Wisconsin E...

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, and intellectual property 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 Wisconsin Super Lawyers for eleven years in a row. Prior to joining O’Neil, Cannon, Hollman, DeJong & Laing S.C., Jo...

Phillip Tallmadge is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance, Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Phillip, 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 Phillip is held by other top lawyers in the same geographic and legal practice area.

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...