Dr. Holleron graduated from The University of Texas Health Science Center at San Antonio in 1984 and is a past president of the alumni association. He is currently in private practice in San Antonio, Texas. He is also a clinical associate professor of operative dentistry at UTHSCSA and has received numerous teaching awards. Dr. Holleron is a reviewer for the Journal of Operative Dentistry and Texas Dental Journal, and believes in evidence based dentistry.