He obtained his medical degree from the Flinders University of South Australia. He then underwent residency training in medicine and surgery at The Royal Adelaide Hospital and completed a Masters degree in Medicine, before moving to Queensland to undertake specialist training in ophthalmology. After completing the rigorous training and exams set by The Royal Australian and New Zealand College of Ophthalmologists, he received a scholarship from the Prevent Blindness Foundation to further study diseases of the Retina, Glaucoma and Ocular Oncology. Dr Warrier also received further specialist training in Ocular Oncology at the Liverpool Ocular Oncology Service (NHS Centre for Excellence), located within St Paul’s Eye Unit in the United Kingdom.
He has several publications in peer-reviewed journals and continues this interest in research to this day. He has a passion for teaching both medical students and trainee specialists, both in his private practice and via his public appointment at The Mater Hospital, Brisbane.