Daniel F. "Dan" Miller

Jim’s practice focuses on representing privately held businesses and their owners on the wide variety of legal matters that may arise. This includes extensive experience with significant corporate transactions such as purchases and sales of businesses, complex contractual matters, and planning for business succession. In his practice, Jim works with clients across a wide range of industries, including fintech, manufacturing, distribution, and professional services. Jim has a unique pers...

John (Jack) Goller is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. For more than 20 years, his practice has focused on complex civil litigation with an emphasis on mass toxic torts, product liability, transportation and catastrophic loss defense of corporations and their insurers. He serves his clients as national, regional and local counsel and takes an active role in all phases of litigation from fact and expert discovery until resoluti...

Dave Roettgers is a Shareholder focusing his practice on the purchase and sale of businesses, taxation, corporate finance and business law. He is a Certified Public Accountant and uses his prior experience at Arthur Andersen LLP where he provided tax planning and business advice for individual and business clients. Representative Matters and Experience Representation of families and owners in all types of business planning including the transition of the business to the next generation, finan...

David J. Sisson is a shareholder in the firm’s Litigation and Labor and Employment Practices. David solves problems that arise when critical personal business relationships end. These include disputes involving departing key employees and shareholders in closely held corporations and others who owe fiduciary duties. Controversies often develop at the conclusion of these relationships regarding what may be owned by, or owed to, the respective parties. A departing employee may try to esta...

William R. Cummings is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. William R., who practices law in Milwaukee, Wisconsin, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William R. is held by other top lawyers in the same geographic and legal practice area.

Benjamin S. Wagner is a shareholder at the firm and has been a member of the firm since 2003. He graduated magna cum laude from the University of Wisconsin Law School in 2003 and also received the Phillips Owens Memorial Scholarship for outstanding academic achievement and community service. Mr. Wagner has successfully tried numerous cases throughout southeastern Wisconsin. Due to his significant trial experience and success, he has been certified as a Civil Trial Specialist by the National B...

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

Bill Taibl has experience in nearly all areas of financial institution representation and in a wide variety of real estate related matters. He provides counsel on law and regulatory compliance issues related to consumer and operational matters, including Truth in Lending, RESPA and ECOA, required Board policies, branching activities, new product development and subsidiary transactions. He has handled major troubled loan workouts in Wisconsin and around the country. He has been involved in a w...

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 ...

John has extensive experience in the areas of personal injury, peer review, and medical malpractice litigation, particularly in representing healthcare organizations and psychiatrists. Since entering private practice in 1978, he has focused on health litigation involving representation of hospitals and nursing homes through a liability insurance plan offered through the Wisconsin Hospital Association. His practice has included a wide range of hospital, nursing home, hospice and physician defe...