Judge Radcliffe has served on the Adult Redeploy Illinois Oversight Board since its inception. He also was a part-time Technical Advisor through 2019 assisting the ARI team monitor program implementation, develop training and technical assistance strategies, conduct outreach to interested counties, and advise on policies and procedures. Judge Radcliffe served for 20 years as an Associate Circuit Judge in St. Clair County and was the presiding judge of the Juvenile Court in St. Clair County from 1996 to 2007. He retired from the bench at the end of 2007. He also serves as a mediator and arbitrator through his company, Associated Dispute Resolution, based in Belleville, Illinois. Judge Radcliffe received his B.S. in psychology in 1972 from Loyola University and his JD (with distinction) in 1977 from John Marshall Law School, where he was a member of the Law Review.

Prior to being appointed to the bench in 1988, Judge Radcliffe served as an assistant public defender and was a member of the law firm of Sprague, Sprague & Ysursa in Belleville, IL. While on the bench, Judge Radcliffe tried hundreds of jury trials including capital cases and complex civil litigation. He is the former chair of the General Practice Section Council of the Illinois State Bar Association. He served as associate director of the Illinois Lawyers' Assistance Program (LAP) from 2008 to 2017, and served several years on LAP's Board of Directors prior to that. He also served on the Board of Governors of the Illinois Appellate Defender's Office and the Illinois State Bar Association Assembly. In addition to the Adult Redeploy Illinois Oversight Board, he currently is a member of the Juvenile Justice Initiative Board, and the Department of Children and Family Services Citizens Task Force.