Dr. Nagarajan Ramakrishnan is an American Board Certified Specialist in Internal Medicine, Critical Care Medicine, Sleep Medicine & Obesity Medicine and also has a Master’s degree in Medical Management (MMM) from the University of Southern California. He is a Fellow of American College of Physicians (FACP), American College of Chest Physicians (FCCP), American College of Critical Care Medicine (FCCM), American Academy of Sleep Medicine (FAASM), Indian College of Critical Care Medicine (FICCM), Indian Sleep Disorders Association (FISDA). He has been practicing Critical Care Medicine and Sleep Medicine for over two decades.

He has been practicing Critical Care Medicine for over 30 years and Sleep Medicine for over 26 years. He is currently a Senior Consultant in Critical Care & Sleep Medicine and Director, Critical Care Services at Apollo Hospitals. He is the Founder and Director of TACT Academy for Clinical Training (Currently RED TACT Academy) which is India’s first simulation-based healthcare training center. He also established the Nithra Institute of Sleep Sciences in 2004, the first-of-its-kind freestanding comprehensive sleep centre. The Institute prides itself on being the first to offer a University-affiliated post-doctoral fellowship in Sleep Medicine and also being the first Sleep Center to be accredited by the National Accreditation Board of Hospitals and Healthcare Organizations (NABH).

Dr. Nagarajan Ramakrishnan has served in different roles in the Executive Committee of the Indian Society of Critical Care Medicine (ISCCM) and the Indian Sleep Disorders Association (ISDA). He was the Charter Secretary of the Indian College of Critical Care Medicine (ICCM), the academic wing of ISCCM, in which he also served as the Vice-Chancellor. He is also a Past President of the Indian Sleep Disorders Association (ISDA). He has over 200 peer reviewed abstracts and original publications and is a respected teacher, examiner and an invited speaker at national and international conferences and has been honored to deliver Orations. He is the recipient of prestigious awards including Best Doctor Award from Tamilnadu Dr. MGR Medical University & Tamilnadu Medical Council and Acharya award for teaching and Vocational Excellence award & ‘For the Sake of Honor’ award from Rotary International, Clinical Excellence Award from Apollo Hospitals and Lifetime Achievement Award for Clinical Excellence. He has authored books in critical care and sleep medicine, and is actively involved in the education and training of healthcare professionals and the general public.