Mark L. Rotert joined Stetler & Duffy in 2007, bringing to the firm 30 years’ of experience in the investigation, trial, and appellate review of complex cases in federal and state courts.  Mark has litigated disputes involving a wide array of industries and professions, including securities and commodities, banking and investment finance, manufacturing, health care, law, insurance, export control, marketing, consulting services, and even exotic race cars.  He has represented Fortune 100 corporations and businesses of all sizes, and his practice places particular emphasis on representing individuals confronted by the government.

Mark began his legal career in 1977 as a prosecutor with the Illinois Attorney General’s Office.  Within three years he was appointed to a supervisory position, a trend that would continue throughout his 17 years of public service.  After ten years’ experience serving in Illinois government, in 1987 Mark was appointed an Assistant United States Attorney in Chicago, where he served in a variety of supervisory positions including Chief of the Major Crimes Division, the unit responsible for the investigation and prosecution of most white collar criminal cases.  While he was an AUSA, Mark also served as trial prosecutor in nationally-significant cases involving public corruption, commodities fraud, international trade violations, and bank fraud.

Mark left government service in 1994 to join the firm Winston & Strawn as a partner in its Litigation Department.  Among the many major clients he represented while at Winston & Strawn, Mark served as criminal defense counsel to a major health care provider involved in a health care fraud investigation undertaken by the Department of Justice and some 42 States; he acted as lead counsel to a Chicago bank sued by Michigan regulators in connection with the collapse of a Canadian insurer; he defended a national consulting firm against malpractice claims arising from the implementation of new computer technologies; and he defended individuals at trial in criminal prosecutions in both state and federal courts.

Mark also has a long history of service to the bar.  He served by appointment of the Illinois Supreme Court on the Committee formulating Pattern Jury Instructions in Criminal Cases.  He authored the chapter on the Attorney-Client Privilege used in the United States Department of Justice Manual on Grand Jury Practice.  He taught Trial Practice at the John Marshall Law School and is a frequent lecturer on trial and appellate advocacy at area law schools and on behalf of the Young Lawyers’ Section of the Chicago Bar Association.  Mark is a 1974 graduate of St. John’s University (Minnesota, B.A. 1974) and received his J.D. in 1977 from Loyola University (Chicago) School of Law.  He is a member of the Criminal Justice Section of the American Bar Association and the Illinois State Bar Association.