Dr. Kellough was born and raised in southwestern Nevada where he graduated from his high school as the class valedictorian. From there, he attended the University of Nevada at Reno for two years as a medical technology major. At the end of his second year at the university he was granted membership into the collegiate honor society of Phi Kappa Phi. He was then accepted to Washington University School of Dental Medicine in St. Louis, MO in an advanced placement program and graduated with his Doctorate of Dental Medicine cum laude in 1987. Upon graduation, Dr. Kellough was inducted into the dental honor society of Omicron Kappa Upsilon. Dr. Kellough then practiced general dentistry in the St. Louis metro area for 5 years before taking over the dental practice in Germantown where he had remained for over the past 25 years. He maintains memberships in the American Dental Association, Illinois Dental Association, and the local St. Clair District Dental Association. He is also a member of the International Association of Orthodontics. Dr. Kelloughs hobbies and interests include reading, camping and traveling with his wife and grown children, as well as playing gold and target shooting.