Christopher B. Austin

Lydia Chartre is a legal professional with an academic background in Business Administration from Carthage College and a Doctor of Jurisprudence Degree from Marquette University Law School. Based in Milwaukee, Wisconsin, Lydia is a key member of Kaman & Cusimano LLC, focusing on Litigation - Construction, Litigation - Real Estate, and Real Estate Law. Her experience encompasses advising condominium association boards on various issues such as declaration and bylaw amendments, assessment c...

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

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.

For over forty-five years, Dennis has advised business owners in all areas of contract and corporate law. He focuses primarily on assisting his clients with business succession planning, estate planning, contract and corporate law—with an emphasis on mergers and acquisitions, and shareholder/partner disputes. One of the founding members of the firm in 1973, Dennis has assisted hundreds of business owners and their companies in structuring successful business succession plans. These comp...

William Keeler is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Construction, Mass Tort Litigation / Class Actions - Defendants and Product Liability Litigation - Defendants. William, 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 William is held by other top lawyers in the same geographic and legal practice a...

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

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...

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....

Christine Esser is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Christine, who practices law in Sheboygan, Wisconsin, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christine 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...