Dr. Khor graduated from the National University of Malaysia (UKM),Kuala Lumpur in 2002. He obtained his Internal Medicine specialty training from the Royal College of Physicians of London in 2007 and further subspecialized in Dermatology by obtaining his Advanced Master in Dermatology from UKM in 2013. Dr.Khor served as the Head of Dermatology service for Perlis from 2013 to 2015 before transferring back to Penang. Currently, he is the Deputy Head of Department of Dermatology in Hospital Pulau Pinang. He is also a visiting Consultant Dermatologist at KPJ Penang Specialist Hospital and Northern Skin Specialist Clinic.
Dr. Khor is active in academic activities, serving as an honorary lecturer for Allianze University College of Medical Sciences and Penang Medical College. He is active in research and in the publication of original papers in dermatological journals, and serves as a reviewer for the Malaysian Journal of Dermatology. His dedication to the profession earned him the Excellent Service Award from the Ministry of Health in 2009 and 2017.