Dr. Cho pursued specialist training in paediatric dentistry in the University of Otago and graduated with a Master degree in Dental Surgery in 1996. Dr. Cho is currently a senior dental officer in the Department of Health, Hong Kong Government He is the Chairman of the Specialty Board in the field of paediatric dentistry in the College of Dental Surgeons of Hong Kong, and is the Chief examiner in the local specialist exit examination. He has wide experience on different aspects in paediatric dentistry. He has published extensively in international journals, and served as the first authors in over 30 articles published in indexed journals. He served as an editorial member and international reviewer in many journals. In 2012 he was awarded the Reviewer of the Year by the International Journal of Paediatric Dentistry. He aims to maintain and uphold the standard of specialist paediatric dentists in Hong Kong. He is a respected teacher in the University and is good in literature analysis. He enjoys reading and watching movies.