Aaron E. Hall

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...

Daniel A. Kaminsky is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Daniel A., 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 Daniel A. is held by other top lawyers in the same geographic and legal practice area.

William H. Tobin is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. William H., who practices law in Milwaukee, Wisconsin, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William H. is held by other top lawyers in the same geographic and legal practice area.

James M. Sosnoski is an attorney in Meissner Tierney’s litigation practice group. He represents businesses and insurers in a wide variety of matters, including insurance coverage, environmental litigation business and corporate disputes, and employment disputes and non-competition agreements. James also specializes in handling all aspects of civil appeals. Prior to joining the firm, James served as Term Law Clerk to Justice Rebecca G. Bradley, Supreme Court of Wisconsin, and the Honorab...

Grant Killoran is a shareholder at O’Neil Cannon and the past Chair of its Litigation Practice Group. He has significant and diverse trial experience representing clients in Wisconsin State and Federal Courts, and courts around the country, focusing on complex business, health care and employment law disputes. Grant also devotes a portion of his practice to arts and entertainment law, with an emphasis on the music industry. Grant is listed in The Best Lawyers in America in the practice ...

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...

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...

Andrew Wier is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Personal Injury Litigation - Plaintiffs. Andrew, who practices law in Kenosha, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.

Ann S. Jacobs is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Ann S., 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 Ann S. is held by other top lawyers in the same geographic and legal practice area.

John M. Van Lieshout is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Litigation - Environmental. John M., who practices law in Milwaukee, Wisconsin, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John M. is held by other top lawyers in the same geographic and legal practice area.