Andrew J. "Andy" Guzikowski

Dan Welytok is a Shareholder and Chair of the Tax Section at von Briesen & Roper, s.c. Dan’s practice focuses on helping management achieve practical results in all aspects of business. He assists clients nationally and internationally with business development, tax issues, acquisitions and divestments, capital structuring, financing, corporate governance, information technology, licensing and distribution, regulatory and compliance issues, labor and employee benefits matters, and d...

Brett A. Eckstein is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Personal Injury Litigation - Plaintiffs. Brett A., 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 Brett A. is held by other top lawyers in the same geographic and legal practice area.

Joe is the chair of the firm’s Litigation Practice Group. He manages a variety of complex cases involving software, class actions, real estate, products liability, banking, and intellectual property matters. He has extensive experience representing both large and small plaintiffs and defendants in challenging civil litigation. He has been selected as a member of Wisconsin Super Lawyers for eleven years in a row. Prior to joining O’Neil, Cannon, Hollman, DeJong & Laing S.C., Jo...

Susan Tyndall is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Personal Injury Litigation - Plaintiffs. Susan, who practices law in Waukesha, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Susan 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.

Adam J. Tutaj is a shareholder of the firm, and concentrates his practice in the areas of business, tax and health law. Since joining the firm in 1999, he has developed his practice as “general counsel” to clients in a wide range of industries, including: manufacturing, physician group practices, real estate developers, and large 501(c)(3) medical specialty organizations having national and international scope. Adam is a frequent speaker and author on the issues of tax law, health...

Stephen Trigg is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Stephen, 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 Stephen is held by other top lawyers in the same geographic and legal practice area.

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.

Jill Munson is a top attorney recognized by Best Lawyers in the practice area(s) of Professional Malpractice Law - Defendants. Jill, 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 Jill is held by other top lawyers in the same geographic and legal practice area.

Doris Brosnan is a Shareholder in the firm’s Labor and Employment Law Section, and focuses on assisting clients with employment issues. Doris regularly advises health care and corporate clients on dealing with disloyal or difficult employees, accommodating disabilities in the workplace, harassment, workplace violence, FMLA, and the development of effective employment policies and practices. She regularly assists clients in preparing and implementing employee transition plans, including ...