Not long after graduation from San Jose State University in San Jose, California Blake joined the U.S. Army to attend Medical School at the Uniformed Services University in Bethesda, Maryland. He completed medical school with an MD degree and was commissioned an officer in the U.S. Army. Dr. Graham is board certified by the American Board of Pediatrics. Army service continued for more than 20 years with stations in Aurora, Colorado, Germany, Hawaii, Maryland, then back to Colorado ending up at Fort Carson. Service also included two tours in Iraq and ended with retirement in 2020. Dr. Graham and his wife Christine have 6 grown children.