Michael J. Hayes, Sr., a Prominent Regulatory and Commercial Litigation Attorney, Has Joined Aronberg Goldgehn


Prominent Regulatory and Commercial Litigation attorney Michael J. Hayes, Sr., has joined Aronberg Goldgehn Davis & Garmisa as Of Counsel.

Over the past 25-plus years in private practice, Michael has focused his practice on litigation and government relations, including multistate regulatory actions involving consumer, public utility and antitrust issues.

Prior to entering private practice, Michael devoted more than 16 years of his legal career to the Illinois Attorney General’s Office where he served in multiple positions including Deputy Attorney General. He represented public officials, employees and agencies of the state of Illinois involving state interests in litigation at all levels of the federal and Illinois court systems, and before quasi-judicial administrative bodies, such as the American Arbitration Association.

His wide ranging litigation experience consists of representing clients in suits for injunctive and declaratory relief; civil rights actions, including Title VII employment discrimination matters; contract actions; construction litigation; constitutional and statutory challenges to State of Illinois statutes, rules and regulations; purchasing disputes; labor disputes and personnel matters; judicial review of administrative decisions; and matters related to state appropriations, regulation of healthcare and nonprofit entities.

He has represented clients in cases presented before the United States Supreme Court, the U.S. Court of Appeals for the Seventh Circuit, the Illinois Supreme Court and Appellate Courts of Illinois.

“Michael is an established and well-respected attorney in the Chicago community,” said Christopher J. Bannon, a Co-Managing Member of the firm. “We are delighted to be adding a top-tier litigator like Michael and to be gaining his years of regulatory experience. We welcome the great contributions he will make to our firm as a whole.”

Before practicing law, Michael was employed as a teacher, coach and athletic director for a school in the Archdiocese of Chicago for eight years.

Michael currently serves as general counsel for the City Club of Chicago. He is a member of the Fenwick Bar Association, a Life Trustee of the Fenwick High School Board of Directors and a past multi-term president of the Catholic Lawyers Guild of Chicago. He is a past chairman of the Chicago Chapter of the National Conference for Community and Justice and a member of the St. Frances of Rome Parish School Board.

Michael earned his J.D., cum laude, from DePaul University School of Law in 1974 and received a B.A. in political science in 1968 from Loyola University. He is a 1964 graduate of Archbishop Quigley High School.

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