Dr John Thomas is a Specialist Board Accredited Senior Consultant Neurosurgeon with more than 25 years of experience in neurosurgery. He has been the Medical Director of the Immanuel Centre for Neurosurgery since 2012.
Dr Thomas was Adjunct Associate Professor at the Duke-NUS Graduate Medical School and Senior Consultant Neurosurgeon in National Neuroscience Institute (NNI), Singapore General Hospital, National Cancer Centre (NCC) and Singapore National Eye Centre (SNEC) from 2006 to 2015. Prior to this, Dr Thomas served as the Senior Consultant and Head of the Department of Neurosurgery at the Singapore General Hospital.
At NNI and SGH, he was Lead Consultant for the Functional Neurosurgery Service, which deals with Deep Brain Stimulation for Parkinson’s Disease and Movement Disorders, Epilepsy Surgery, Micro-vascular Decompression for Trigeminal Neuralgia, Hemifacial Spasm and Endoscopic Sympathectomy for Hyperhidrosis (sweaty palms). He was also Lead Consultant for the Radiosurgery Service for Benign and Malignant Brain Tumours, Spine Tumours, Arterio-venous Malformations of the Brain and Spinal Cord and Trigeminal Neuralgia.
At Singapore General Hospital (SGH) he was the Co-Lead Consultant for Neuro-oncology for Brain Tumours, Skull Base Surgery for complex brain tumours and Aneurysm Surgery.
The Ministry of Health Singapore appointed Dr Thomas as the Chairman of the Residency Accreditation Committee for Neurosurgery in Singapore, which oversees neurosurgical training for Singapore, for 3 terms from 2012 to 2018.
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