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 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 for over 25 years and Sleep Medicine for over 23 years. He is currently a Senior Consultant in Critical Care & Sleep Medicine and Director, Critical Care Services at Apollo Hospitals and Medical Director & Tele-Intensivist at Hicuity Healthcare, USA (Previously Advanced ICU Care). He is the Founder and Managing Director of TACT Academy for Clinical Training which is India’s first simulation-based healthcare training center. He also established Nithra Institute of Sleep Sciences in 2004 which is the first- of-its- kind freestanding comprehensive sleep center. He is also an Honorary Adjunct Professor at Tamilnadu Dr. MGR Medical University & Apollo Hospitals Education & Research Foundation.

Dr. Nagarajan Ramakrishnan has served on different roles in the Executive Committee of the Indian Society of Critical Care Medicine (ISCCM). He was the Charter Secretary of Indian College of Critical Care Medicine (ICCM), the academic wing of ISCCM in which he also served as the Vice Chancellor. He also served as  the President of Indian Sleep Disorders Association (ISDA). He has over 150 peer reviewed abstracts and original publications and is a respected teacher, examiner and an invited speaker at national and international conferences. He has authored several books in Critical Care and Sleep Medicine and is actively involved in education and training of healthcare professionals and general public. 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 from Rotary International and Clinical Excellence Award from Apollo Hospitals.