Dr. Oh grew up in diverse places around the world, including South Korea, Singapore, and Hawaii. He completed his undergraduate studies at the University of Maryland, College Park, and remains a proud Terrapins fan. Dr. Oh then moved to New York City, where he earned both his Master of Science and Doctor of Dental Surgery (DDS) degrees from New York University.

Following dental school, Dr. Oh completed advanced training through a General Practice Residency (GPR) at The Johns Hopkins Hospital, gaining extensive experience in complex restorative and surgical procedures. After residency, he continued his commitment to education and patient care by joining the GPR program as a clinical staff member, where he oversees patient treatment within the Division of Dentistry and Oral Surgery at Johns Hopkins.

Outside of dentistry, Dr. Oh enjoys life with his wife, Patricia, and their three energetic boys, Danny, Sammy, and Andy. A passionate music enthusiast, he has been playing electric guitar for over 15 years.