Dr Shaun Ho Zhirui

Clinical Interest:

Radiosurgery, stereotactic ablative body radiotherapy and palliative radiotherapy


Dr Shaun Ho is a specialist in Radiation Oncology and Fellow of the Academy of Medicine Singapore. He received his medical degree from the National University of Singapore in 2008 and subsequently underwent specialist training in Radiation Oncology at National Cancer Centre Singapore (NCCS). During this period, he also became a Member of the Royal College of Surgeons of Edinburgh and attained a Graduate Diploma in Palliative Medicine. He was elected as a Fellow of the Royal College of Radiologists (Clinical Oncology) (UK) in 2016, and received an award to undergo overseas training in clinical oncology at University College London Hospital in the UK. Whilst in London he received advanced training in general oncology, gastrointestinal oncology, haematological oncology, neuro-oncology and sarcomas.

Prior to joining Raffles Hospital, Dr Ho was a Consultant in NCCS and Clinical Assistant Professor at Duke-NUS Graduate Medical School. As a keen educator, he was actively involved in training medical students, junior doctors and radiation therapist students. He also served in the NCCS Cancer Education and Information Services committee to help improve cancer awareness and education for the general public as well as patients and their families. To help advance the specialty in Singapore, he serves on the executive committees of the Chapter of Radiation Oncologists in the College of Radiologists Singapore and the Singapore Radiological Society.

Dr Ho’s scope of practice is in the use of radiotherapy to treat a variety of cancer patients for both cure and palliation. He is also proficient in the use of advanced radiotherapy techniques such as stereotactic radiosurgery, stereotactic ablative body radiotherapy and volumetric modulated arc therapy to improve patient outcomes and minimise side effects of treatment.


MBBS (S’pore), MRCSEd (UK), GDPM (S’pore), FRCR (UK), FAMS (S’pore)