He is a Fellow of the Academy of Medicine of Singapore, Royal College of Physicians of Edinburgh, Royal College of Physicians of London, American College of Cardiology, European Society of Cardiology and the American Society of Cardiac Angiology and Intervention.
He is a Council Member of the Football Association of Singapore (FAS) and is Chairman of the FAS medical committee and is an accredited Sports Medicine Specialist by the American College of Sports Medicine. He is a post-holding member of the Chapter of Cardiology of the Academy of Medicine, Singapore.
Dr Nair is fluent in English, Malay and Bahasa Indonesia. He also has a working understanding of German, Malayalam and Tamil. He has published numerous scientific papers and has a keen interest in teaching and research and travels overseas to give lectures to doctors and the public in addition to the local lecture circuit.