Dr. Robertson graduated from the University of Texas Dental School at Houston in 1980. He completed his residency in Oral and Maxillofacial Surgery at the University of Texas Health Center at Houston, in 1984, and stayed an additional year as a faculty member. Dr. Robertson then received a commission in the United States Air Force, and proudly served as an Oral and Maxillofacial Surgeon for 20 years. His service included three years in Wiesbaden West Germany and a tour of duty in Balad Iraq, 2005 through 2006, during the second Gulf War. Dr. Robertson completed his board certification in 1994. He completed a fellowship in Facial Cosmetic Surgery and served on the teaching staff at Wilford Hall Medical Center in San Antonio until retirement from the Air Force in 1986 with the rank of a Colonel. After retirement from the Air Force, Dr. Robertson practiced oral surgery in San Antonio where he married his beautiful wife Ana Maria. They soon had two young sons, Bailey and David.