William E. "Bill" Wallo

Adrienne S. Ehrhardt is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Adrienne S., who practices law in Madison, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adrienne S. is held by other top lawyers in the same geographic and legal practice area.

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.

Attorney Jason Reed represents Wisconsin clients in a wide range of business and real estate legal matters. Jason works with businesses of all sizes, from entrepreneurs and startups, to small and family-run businesses, to regional and national companies. He advises and assists business owners in all stages and in a variety of legal matters. Jason brings significant experience in helping businesses with planning, entity formation, operating agreements, buy-sell agreements, mergers, sales and a...

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...

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

Mollie Kugler is a Shareholder in the Litigation and Risk Management Practice Group where she focuses her practice on representing and counseling insurance companies in litigation and disputes. Her clients benefit from her extensive coverage claims experience and her comprehensive knowledge of the litigation process, from formulating strategy plans and handling discovery, to drafting and arguing motions, and settlement or—if necessary—trial. A portion of Mollie’s practice is...

Jessica Reginato is a Shareholder and Co-Chair of the Toxic Tort Section at von Briesen & Roper, s.c. Jessica enjoys working with clients to optimize risk management and develop strategies for all phases of litigation. She litigates matters involving product liability and toxic tort, insurance disputes, and commercial and personal injury claims, with an emphasis on defending product manufacturers, suppliers, employers, and premises owners in asbestos lawsuits nationwide. She has extensive...

Jon and his firm have handled every kind of injury case you can imagine: auto and motorcycle collisions, product liability, civil litigation, nursing home neglect, bicycle and pedestrian accidents, and animal attacks.

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...

Sam Hall is the Managing Partner of Crivello, Nichols & Hall, S.C. and is a member of the firm’s Board of Directors. His principal practice focuses on federal civil rights litigation, government affairs and appellate advocacy. He is also a certified mediator. Sam has successfully defended hundreds of law enforcement officers, government officials and even judges in cases involving alleged civil rights violations. He is admitted to practice and has represented parties in high profile...