ohn Pfeiffer joined CoreCivic in the position of Vice President, Technology and Chief Information Officer in August 2002. Before joining CoreCivic, he spent three years as Chief of Operations at Bytes of Knowledge, a Nashville-based IT consulting company. Prior to his work at Bytes of Knowledge, Pfeiffer served as Director of Information Systems and Telecommunications at LifeTrust America. From 1994 to 1998 Pfeiffer served as Administrator, Informatics Center at Vanderbilt University Medical Center, and from 1990 to 1994, he served in the U.S. Navy as a Surface Warfare Officer. Pfeiffer is the former President of the Handbell Ringers of America and is Board Chair of Easter Seals of Tennessee as well as a member of the National Board of Easter Seals. Pfeiffer earned a master’s in business administration from Belmont University and a bachelor's degree from Vanderbilt University. He served as Adjunct Instructor of Information Systems Management at the Jack C. Massey School of Business at Belmont University.