Mealey graduated from Texas A&M College Station with a degree in zoology.
He then attended the UT Health San Antonio School of Dentistry, graduating in 1983.
He also received his certificate in periodontics in 1990 from Wilford Hall Ambulatory Surgical Center at Lackland Air Force Base in San Antonio, Texas.
[1] As a postgraduate periodontal resident, Mealey won the prestigious 1989 Balint Orban Memorial Program Competition.
[2] Mealey is currently the chairman of the postgraduate periodontal program at UT Health San Antonio School of Dentistry.