Dr. Sumlin was born and raised in Charlotte. He attended the University of North Carolina at Chapel Hill for both his undergraduate and dental studies. He then completed a 2-year General Practice Residency at Carolinas Medical Center in Charlotte. He is active in the American Dental Association, the North Carolina Dental Society, the Charlotte Dental Society, and also several dental study clubs in the area. He was recognized as one of the Top Dentists in Charlotte in 2018 by Charlotte Magazine. He and his wife enjoy spending time with their two young sons, traveling, and staying active in a variety of sports.