Dr. Koh is a graduate of The University of Texas School of Dentistry at Houston and completed the school's General Practice Residency Program at Memorial Hermann Hospital. She is a tenured professor in the Department of General Practice and Dental Public Health and Director of the Special Patient Clinic. She helped initiate the AEGD (Advanced Education in General Practice) Program and served as director from 1999-2003. She is a member of the Academy of General Dentistry and the American Dental Education Association. Dr. Koh is a Master of Academy of General Dentistry and Fellow of the International College of Dentists and Delta Sigma Delta.