Hon. Andrew J. Gleeson is a circuit judge for the 20th Judicial Circuit Court of Illinois in St. Clair County. He was elected to the position in 2012.
During his judicial tenure, Gleeson has served as Chief Judge of the 20th Judicial Circuit Court. Prior to his election, he presided as an associate judge for the 20th Judicial Circuit Court since his appointment in 2003.
Before joining the bench, he was the Public Defender for St. Clair County. Gleeson first served as an assistant public defender for seven years (1991 to 1998). He also spent eighteen years in private practice.
Gleeson has taught as an adjunct professor at Southwestern Illinois College.
He received a B.A. from the University of Notre Dame in 1982. Gleeson went on to complete a J.D. at Saint Louis University School of Law in 1985.
He was admitted to practice in Illinois (1985), Missouri (1986), and the United States District Court for the Southern District of Illinois (1985).
Gleeson is a past president of the St. Clair County Bar Association and the East St. Louis Bar Association.
He was raised in East St. Louis and Belleville in Illinois. Gleeson attended Althoff Catholic High School.
He is registered as a Democrat.
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