Judge William T. O’Brien

Date Admitted to Bar: Illinois – 1984

Court: Circuit Court of Cook County

Legal Experience: 1985 – 2002: Assistant State’s Attorney, Cook County State’s Attorney’s Office.  Most
recent assignments were Chief, Felony Trial Division (1996 – 1997) and Chief, Narcotics Prosecution Bureau
(1998 – 2002)

Judicial Experience: Judge O’Brien was elected in November of 2002 and served in the 1st Municipal
District from December 2002 to January 2004.  In February of 2004 he was assigned to the 2nd Municipal
District presiding over traffic citations, ordinance violations, bond hearings, misdemeanor cases, domestic
violence cases, preliminary hearings and felony cases.  In January 2007 he was transferred to the Criminal
Division and assigned to preside over north side City of Chicago felony cases.

Awards: American Legion Award of Excellence, Crane Gargoyle Award for Unique Achievement in Disability
Advocacy

Membership: Illinois Judges Association

Family: He is married and the father of two sons

Education: High School: Loyola Academy 1977; College Undergraduate: John Carroll University 1981; Law
School: Illinois Institute of Technology-Kent College of Law 1984