Sean O'D. Bosack

Sean Bosak Litigation Attorney
Professional Biography

Sean Bosack is a shareholder in the Litigation Practice Group in the Milwaukee office and a member of the Government Investigations, White Collar & Compliance Practice Group. Since joining the firm in 1997, Sean has focused his practice on complex business and corporate civil and criminal litigation. Sean devotes a substantial portion of his practice representing corporations conducting internal investigations involving various forms of fraud and corporate governance issues, and representing corporate and individual clients in white collar criminal matters in industries including health care, financial services, securities, manufacturing and construction, and parallel civil and regulatory proceedings that often follow. Sean also has significant trial experience representing institutional investors and financial services firms in federal jury trials and arbitrations. Sean represents clients on a wide variety of complex civil litigation matters including corporate governance, securities fraud, shareholder disputes, bank fraud, RICO, complex contract disputes, commercial torts, trade secrets, unfair competition, and disputes arising under the Wisconsin Fair Dealership Law and the Lanham Act before federal and state courts and in arbitrations.

Sean is an adjunct professor at Marquette University Law School teaching a course on Capital Markets and frequently serves as a guest lecturer for evidence and professional responsibility classes speaking on topics including expert evidence and corporate internal investigations.

Sean graduated from Marquette University Law School, magna cum laude, in 1997 where he served as Executive Editor of the Marquette Law Review. Sean earned a bachelor's degree in history from Brown University in 1990.

Sean is a co-chair of the ABA Section of Litigation, Committee on Corporate Counsel, Subcommittee on Corporation Governance; a member of the State Bar of Wisconsin; the Milwaukee Bar Association; the Seventh Circuit Bar Association; the American Bar Association; the American Inns of Court; and a member of the Board of Directors of the Legal Aid Society of Milwaukee.

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