Stephanie J. Derks

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...

Mark Malloy is a trial lawyer who represents businesses in all types of commercial litigation, primarily advising companies in the areas of insurance coverage, extra-contractual liability, and professional liability. Mark is licensed in Wisconsin, Minnesota, and Illinois, and various federal courts. He represents companies in litigation across the country. Clients contact Mark for analysis and opinions relating to complex insurance coverage issues for both personal and commercial lines. In pa...

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.

Joseph Gumina is a shareholder at O’Neil Cannon and the Past Chair of O’Neil Cannon’s Labor and Employment Practice Group. Joe is licensed to practice law in the states of Illinois and Wisconsin. Joe has extensive experience representing management in a vast array of employment matters ranging from traditional labor matters involving labor negotiations and unfair labor practice charges to helping employers navigate the complexities of state and federal fair employment laws. ...

Robert D. Crivello is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Robert D., who practices law in Brookfield, Wisconsin, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert D. is held by other top lawyers in the same geographic and legal practice area.

Lucas J. Pagels is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Lucas J., 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 Lucas J. is held by other top lawyers in the same geographic and legal practice area.

Mark A. Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - ERISA and Litigation - Labor and Employment. Mark A., 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 Mark A. 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...

Ryan S. Stippich is a shareholder in the firm’s Litigation Practice, as well as a member of the White Collar Litigation and Corporate Compliance Group and Reinhart Institutional Investor Services. He represents clients in a wide range of complex civil and criminal matters at both the trial and appellate levels. Ryan focuses his litigation practice in the areas of securities litigation, shareholder disputes, professional liability litigation, other business torts and class actions. Ryan ...

Jon Levine has a national practice focusing on representing employers in all areas of labor-management relations, including litigation before the National Labor Relations Board and in state and federal courts. He also has significant experience with: The National Labor Relations Act Union organizing campaigns Collective bargaining Labor arbitration Title VII The Americans with Disabilities Act The Age Discrimination in Employment Act The Wisconsin Fair Employment Act Jon’s notable succe...