Alan C. Olson

Danny is an equity shareholder and a member of the firm’s Board of Directors. Danny represents public and private manufacturers of products on a national basis in both commercial and product liability litigation and regulatory compliance. In addition, Danny represents construction companies and contractors in liability litigation. In this capacity, he defends wrongful death, catastrophic injury, and significant property damage cases, whether arising from fires and explosions, roll-overs...

Mike Wirth is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. Mike is a seasoned trial attorney with more than 30 jury trials across Wisconsin. He focuses his practice on professional liability, insurance coverage litigation and appellate representation. Mike has extensive experience handling professional liability claims against attorneys, law firms, accountants, accounting firms and medical professionals. His insurance coverage practice in...

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...

John Barlament is a partner in the Employee Benefits Group. He represents employers, third party administrators, brokers and benefit consultants in all aspects of employee benefits law. Mr. Barlament has extensive experience in a broad range of issues, including: health care reform (Patient Protection and Affordable Care Act) compliance and strategy; executive compensation issues; assisting both pension and welfare multi-employer plans in all their legal needs; merging and terminating plans; ...

Terry Johnson is a Shareholder and Chair of the firm’s Professional Liability Section. Terry has tried hundreds of cases to a verdict in matters ranging from complex legal malpractice cases to major construction defect disputes to major personal injury actions. Terry has had an impact in the development of Wisconsin law through appellate work in a wide spectrum of areas. Terry was asked to serve by the Chief Justice of the Wisconsin Supreme Court on the Office of Lawyer Regulation (&ldq...

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

John L. Schliesmann is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Tax Law. John L., 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 John L. 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.

Oyvind Wistrom is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Oyvind, 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 Oyvind is held by other top lawyers in the same geographic and legal practice area.

Ronald S. Aplin is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Employers. Ronald S., who practices law in Waukesha, Wisconsin, has been recognized since 1995. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ronald S. is held by other top lawyers in the same geographic and legal practice area.