Sean Bukowski

Doris Brosnan is a Shareholder in the firm’s Labor and Employment Law Section, and focuses on assisting clients with employment issues. Doris regularly advises health care and corporate clients on dealing with disloyal or difficult employees, accommodating disabilities in the workplace, harassment, workplace violence, FMLA, and the development of effective employment policies and practices. She regularly assists clients in preparing and implementing employee transition plans, including ...

Karen is a veteran litigator and legal advisor with more than 30 years of experience representing businesses, individuals, fiduciaries and government entities, both in and out of the courtroom, in complex civil matters. She focuses her practice on a variety of business and commercial disputes, as well as fiduciary, trust and probate controversies, in each case offering practical, client-centric solutions. Before joining O’Neil Cannon, she served as Deputy Corporation Counsel for Milwauk...

Ryan Fetherston is a Shareholder of the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. He has broad experience in litigation matters, with particular focuses on business and general litigation, professional liability, toxic tort, insurance coverage, and worker’s compensation. Ryan has experience representing clients in all phases of litigation from initial case investigation and strategy development to discovery, motion practice and trial.

Daniel A. Kaminsky is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Daniel A. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Daniel A. Kaminsky since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Daniel A. Kaminsky is held by other lawyers.

Jacob S. Sosnay is a lawyer recognized by Best Lawyers in the practice areas of Civil Rights Law, Litigation - Insurance and Personal Injury Litigation - Defendants. Jacob S. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Jacob S. Sosnay since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jacob S. Sosnay is held by other lawyers.

John E. Mossberg is a lawyer recognized by Best Lawyers in the practice area of Litigation - ERISA. John E. practices law in Milwaukee, Wisconsin Best Lawyers has recognized John E. Mossberg since 2010. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which John E. Mossberg is held by other lawyers.

Emil Ovbiagele is a powerhouse in both the legal landscape and the entrepreneurial arena. He represents clients in civil litigation and employment law matters, and counsels closely held businesses. Born in Nigeria and now a beacon in America, his journey is a testament to relentless ambition and achievement. As the dynamic Founder of OVB Law & Consulting, S.C., Emil is a legal gladiator, a trailblazer, and an entrepreneurial visionary. Imagine graduating at 19, becoming an attorney at 22,...

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...

Nick G. Kotsonis has been a shareholder with the firm since 1999 and was appointed to the Board of Directors as of January 1, 2014. His practice areas include employment litigation/worker’s compensation, business and commercial litigation, insurance coverage litigation, personal injury, premises liability, environmental/toxic tort claims and risk management.

Mark Foley is a Shareholder with more than 40 years experience meeting the complex business and legal needs of clients ranging from individual business owners to industry trade associations and Global 500 companies. Mark has successfully tried cases before judges and juries in federal and state courts, represented debtors and creditors in bankruptcy courts throughout the United States, and arbitrated matters before AAA and NASD panels. He has directed and conducted the nationwide defense of r...