​Dr. Khoo Tan is a Senior Consultant Radiation Oncologist at the National Cancer Centre, Singapore. He has been working in radiation oncology since 1985 and completed his specialty training in 1991.  He is also a Visiting Consultant at Kandang Kerbaul Women’s and Children’s Hospital. Dr. Khoo Tan graduated from the National University of Singapore in 1983. He obtained his post-graduate degree in Clinical Oncology from the Royal College of Radiologist, United Kingdome in 1991. He also spend two years training at the Royal Marsden Hospital London from 1988 to 1990. His current subspecialty is in Gynae- Oncology.