James Naugler

Steve Caya is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Steve, who practices law in Janesville, Wisconsin, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steve is held by other top lawyers in the same geographic and legal practice area.

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

Nathan K. Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates, Nonprofit / Charities Law, Tax Law and Trusts and Estates. Nathan K., who practices law in Waukesha, Wisconsin, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nathan K. is held by other top lawyers in the same geographic and legal practice area.

Jeff Mark is a Shareholder in the Health and Business Sections at von Briesen & Roper, s.c. Jeff has extensive experience advising hospitals, multi-institutional health care systems, physician groups and specialty providers regarding a variety of transactional health care related matters including affiliations, joint ventures, acquisitions and divestitures; fraud and abuse; Stark; physician agreements; and equipment and office space leasing arrangements. In addition, Jeff represents clien...

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.

Kraig Byron is a Shareholder in the Litigation & Risk Management Practice Group at von Briesen & Roper, s.c. Kraig offers many years of experience in the areas of complex business litigation, labor and employment litigation, outdoor advertising law, tax assessments, family law issues, anti-trust matters and general civil litigation. Kraig has been a featured speaker at continuing professional education courses on Wisconsin property law and other related legal issues. Kraig has present...

Grant Killoran is a shareholder at O’Neil Cannon and the Past Chair of its Litigation Practice Group. He has significant and diverse trial experience representing clients in Wisconsin State and Federal Courts, and courts around the country, focusing on complex business, health care and employment law disputes. Grant also devotes a portion of his practice to arts and entertainment law, with an emphasis on the music industry. Grant is listed in The Best Lawyers in America® in the prac...

Shareholder Michael J. Cohen has more than 25 years of experience in complex commercial litigation in federal and state courts. His proven record of numerous favorable verdicts at the trial and appellate levels has earned him a reputation as one of Wisconsin’s preeminent business litigators. For many years, Mike has been recognized by members of the Wisconsin bar and judiciary as one of the top lawyers in the state. Mike concentrates his practice on complex commercial litigation includi...

Mary is a shareholder with Crivello, Nichols and Hall, S.C. and is a member of the firm’s Board of Directors. For over 35 years, Mary has defended lawsuits in state and federal courts in Wisconsin, and has extensive experience consulting with and representing private and municipal employers in state and federal matters before the Equal Rights Division and Equal Employment Opportunity Commission. She consults with and advises clients on matters regarding personnel policies, practices and...

John Sikora is a Shareholder representing clients in tax planning, tax controversies and the buying and selling of businesses and real estate with a particular focus on corporate, partnership and other business matters. John is an adjunct professor of law at Marquette University Law School, where he has taught the tax practice and procedure and corporate income tax courses. John has also taught the taxation of partnerships and S corporations course to graduate accounting degree candidates at ...