Dennis M. Grzezinski

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

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

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 prac...

Erica Storm is a Shareholder at von Briesen & Roper, s.c. focusing on employment law and employee benefits law and compliance. Prior to joining von Briesen, Erica was a Senior Director at Zywave where she focused on the integration of HR and compliance products, implemented new technology solutions including AI, and oversaw legal content surrounding employment and employee benefits law.

Attorney Alison Krueger has focused her legal career on Family Law since earning her Juris Doctor from the University of Wisconsin Law School in 1999. She is based in Milwaukee, Wisconsin, and is a member of Nelson, Krueger & Millenbach LLC. Attorney Krueger represents individuals and families throughout Wisconsin in a broad range of Family Law matters, including divorce, legal separation, annulment, paternity, child support, maintenance (alimony), grandparent visitation, post-judgment mo...

Phil Reid is a Shareholder in the Litigation and Risk Management Practice Group. His practice focuses solely on litigation, with a particular emphasis on asbestos and toxic tort matters, insurance coverage and the defense of commercial and personal injury claims. Phil represents both product manufacturers and insurance companies. He has tried personal injury, professional liability, insurance coverage, engineering, premises liability, employment and police liability cases. He has successfully...

Heidi Vogt is a Shareholder and Chair of the Litigation and Risk Management Practice Group. She has substantial and broad experience in litigation matters with a particular focus on insurance coverage disputes, commercial disputes and complex litigation. Heidi serves as the Chair of the Insurance Coverage and Risk Management Section. She has represented insurance companies in Wisconsin and across the country in both state and federal courts in complex insurance coverage matters for more than ...

Nathan K. Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates, Nonprofit / Charities Law, Tax Law and Trusts and Estates. Nathan K., who practices law in Waukesha, Wisconsin, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nathan K. is held by other top lawyers in the same geographic and legal practice area.

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...

Jerome M. Janzer is the CEO of Reinhart Boerner Van Deuren s.c.. He is also co-chair of the firm's Real Estate Practice and a member of the Business Law Practice. Drawing on more than 25 years of experience, Jerry counsels and represents clients in a variety of industries including real estate, financial institutions, transportation, construction, manufacturing and printing. He advises his clients on every aspect of acquiring, growing and eventually selling a business including capitalization...