Kevin J. O'Connor

Don M. Millis is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Don M., who practices law in Madison, Wisconsin, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Don M. is held by other top lawyers in the same geographic and legal practice area.

Blayne Christy is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. She focuses her practice on representing insurance carriers and their insureds in complex legal disputes, including in areas related to construction defects, contract disputes and professional liability claims. Prior to private practice, Blayne was a claims attorney managing outside counsel for a large insurance company. During law school, Blayne was a Member and Managing Arti...

Monica A. Mark is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Monica A., who practices law in Madison, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Monica A. is held by other top lawyers in the same geographic and legal practice area.

Peter L. Gardon is a shareholder and the chairman of the firm's Telecommunications and Energy Practice. He is also a member of the Business Law Practice. Pete draws on decades of successful practice, regulatory and legislative experience to effectively counsel telecommunications and energy companies, financial institutions, health care institutions and other business clients in a variety of complex administrative, regulatory, commercial, litigation and environmental matters. Pete's clients hi...

As a former three-term District Attorney in Dane County, Hal Harlowe’s familiarity with the complex operations of our legal system gives him an invaluable advantage in defending clients. His trial experience includes representing defendants in juvenile and criminal defense cases, defending licensed professionals in disciplinary matters, and litigating civil matters such as personal injury, contract disputes, real estate and guardianship cases. Having led countless investigations himself...

Mr. Knutson is a shareholder with the firm. His practice features complex litigation, such as major environmental and industrial accidents, and class action claims. He also handles cases of medical malpractice, products liability, and personal injury. Additionally, Mr. Knutson is an Adjunct Professor at the University of Wisconsin Law School where he has taught courses in trial advocacy, negotiation, legal writing, and lawyering skills. Learn more about Jason.

Attorney Mark P. Maciolek is of counsel to Maciolek Law Group’s Dane County office. In practice since 2005,his practice is primarily focused on criminal defense in Wisconsin state and federal courts. Mark P. Maciolek handles trials and appeals. s. He also has a civil litigation practice, representing clients in trials and appeals in state and federal civil matters. Attorney Mark Maciolek has successfully defended clients against white-collar crimes, firearms crimes, and drug crimes. He ...

Chris Rogers is a shareholder with the firm. He initially practiced predominately in the firm’s Lake Geneva office, where he tried cases in Walworth, Kenosha, and Racine counties. In 2004, he moved to the firm’s Madison office, where he continues to practice today. His focus is on cases involving injuries from product defects, automobile accidents, and general negligence. He has clients throughout the State of Wisconsin. In 2017, Chris served a one year term as President – E...

Mario Mendoza's law practice focuses on assisting applicants for professional licenses as well as practitioners facing professional licensing complaints. He has helped numerous professionals navigate licensing disciplinary and regulatory processes, including: nurses, physicians, counselors, real estate professionals, lawyers, and insurance sales professionals. In addition, Mario is highly skilled in handling estate and probate litigation, such as will contests and claims of wrongdoing by a be...

Michael P. Richman is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Michael P., who practices law in Madison, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael P. is held by other top lawyers in the same geographic and legal practice area.