Dr Poh-Sien Loh completed his internship and basic physician training at the Royal Perth Hospital. He had specialist training in Neurology at the Austin Hospital and Box Hill Hospital. He was Stroke Research Fellow at the Royal Melbourne Hospital and became a specialist Neurologist in 2004.
Dr Loh was appointed as a specialist neurologist at Eastern Health in 2005. He is involved in teaching medical students, junior medical staff, and advanced trainees. He is a Fellow of the Royal Australian College of Physicians, a member of the Australian and New Zealand Association of Neurologists, and Stroke Society of Australia.