Marc W. O'Brien

Marc W. O'Brien

Special Counsel
Chicago, IL


Marc utilizes his broad business and legal experience to represent clients in corporate transactions, financial and lending transactions, real estate transactions and commercial litigation. He also regularly advises construction companies, owners and architects on negotiating construction contracts and architectural services agreements, as well as related matters including mechanics lien enforcement. 

Additionally, Marc is well-versed in the formation of private charitable foundations and serves as outside general counsel to the Episcopal Diocese of Chicago and its various affiliated charitable entities. 

Following law school, Marc was a judicial law clerk for Judge David Linn of the Illinois Appellate Court, First District.



The John Marshall Law School
J.D., 1984
Hope College
B.A., 1979

Bar Admissions


Court Admissions

U.S. District Court for the Northern District of Illinois

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