William Quinlan is a managing partner at the Chicago law firm Quinlan and Carroll. His practice is primarily focused on business law.

Quinlan previously served as a Justice of the Illinois Appellate Court and is a former Circuit Court Judge in Cook County.

Quinlan, who received the Distinguished Award for Excellence from the Illinois Bar Foundation and was inducted as a laureate by the Illinois State Bar Association Academy of Illinois Lawyers, graduated from Loyola University and received his J.D. from Loyola and his LLM from the University of Virginia.

He is married with six children.

A second-generation Irish-American, Quinlan's father's family hails from Cork and his mother's from Galway.

He is a member of the Irish Fellowship Club of Chicago, the Celtic Legal Society of Chicago and the Irish American Partnership for Excellence.

Return to Legal 100