Dr Ko obtained his bachelor degree at the University of Toronto, Canada in Toxicology and Nutritional Sciences. He then continued his doctoral study at the University of Hong Kong and obtained a PhD in Pharmacology. Dr Ko had lectured in the Medical School of the University of Hong Kong for years and had been actively involved in many research projects. He had published around 100 journal papers and conference proceedings. His research focuses on the signaling pathways of anti-carcinogenic chemotherapeutic drugs, with special interest in the actions of herbal terpenoids and flavonoids in treating colon and liver cancers. Dr Ko is currently the subject coordinator of Pharmacology, Clinical Anatomy & Embryology, and Introduction to Medicine & Diseases.