Nirmal is a Clinical Associate Professor of Surgery at the University of Sydney and Macquarie University, Sydney, Australia. He is the Founder and Director of Kolling Deafness Centre, University of Sydney as well as the founder of Sydney Endoscopic Ear Surgery Research Group (SEES). Nirmal runs an Endoscopic Ear Fellowship and is the Director of the SEES Group Fellowship program. Nirmal was Australia’s first elected member and contributor to the International Working Group of Endoscopic Ear Surgery, and has now been elected General Secretary. He is an elected Board Member of the Pan Asian Working Group of Endoscopic Ear Surgery as the Educational coordinator.
Nirmal is also a Member of Indigenous Health Committee, Royal Australian College of Surgeons and the New South Wales Committee Member for Indigenous Affairs. He runs regular monthly Indigenous Outreach services to Western NSW, Australia.
Nirmal has been invited faculty and tutor at Endoscopic Ear Surgery courses and meetings around the world including USA, India, Italy, Scotland, Japan, Dubai, Kenya, Malaysia, New Zealand and Sharjah. He has presented at 70 National or international meetings, written 61 journal articles and 5 book chapters in major ENT Text books. His authorship interest is in Endoscopic Ear Surgery for Eustachian tube, Cholesteatoma and Lateral Skull Base Surgery as well as contemporary education in surgery. Nirmal has performed over 700 endoscopic ear surgeries, over 4000 tonsillectomies for children.