Stephanie L. Dykeman

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...

Chris Smith is a Shareholder and co-Chair of the Real Estate Section at von Briesen & Roper, s.c. He focuses his practice on real estate development, eminent domain and property tax. He has significant experience in all phases of real estate development with a particular emphasis on drafting and negotiating development agreements, Tax Increment Financing (TIF) and public-private partnerships. He represents both public and private entities on eminent domain matters and property tax assessm...

Nick G. Kotsonis has been a shareholder with the firm since 1999 and was appointed to the Board of Directors as of January 1, 2014. His practice areas include employment litigation/worker’s compensation, business and commercial litigation, insurance coverage litigation, personal injury, premises liability, environmental/toxic tort claims and risk management.

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.

Ericka Hammett is a Shareholder at von Briesen & Roper, s.c. in the Insurance Coverage and Risk Management Section. She concentrates her practice on insurance coverage matters, including advising insurers on first-party property, third-party commercial general lability (CGL), professional liability and bad faith claims. She also defends insurer-clients and their insureds at the trial and appellate court level against claims for property damage, personal injury and professional liability.

Robert L. Jaskulski is a shareholder at the law firm, practicing in the firm’s Milwaukee, Waukesha and West Bend offices, and is managing partner of the firm’s Waukesha office. Mr. Jaskulski’s emphasis of law practice is personal injury litigation throughout the State of Wisconsin and the United States. Mr. Jaskulski’s practice involves a wide range of cases, including medical malpractice, products liability, insurance bad faith and motor vehicle accidents. Mr. Jaskuls...

Clayton Riddle is a Shareholder in the Litigation and Risk Management Practice Group. He focuses his practice on product liability, professional liability, transportation and trucking accidents, construction defects, fire cause and origin determination, premises liability and personal injury defense. Clayton is a Member and serves as a Wisconsin Firm Liaison for The Harmonie Group. He is also a member of the Wisconsin Defense Counsel and the National Retail and Restaurant Defense Association....

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...

Aislinn M. Penkwitz is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Aislinn M., 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 Aislinn M. 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 & 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...