He is trained in critical care medicine,advanced pulmonary medicine, bronchoscopy, endobronchial ultrasound and pleural procedures. He did his MBBS at a Madras Medical College and then went to the United States. Over 15 years in America he specialized in Internal Medicine, Pulmonary and Critical Care Medicine and is American Board Certified in these fields.He was trained at the University of Connecticut, Loyola University and Oregon Health and Science University. He also obtained a Masters in Public Health degree. He is a Fellow of the American College of Chest Physicians and is the Chairman of the steering committee of the Disaster Response Network and member of the steering committee of the Occupational and Environmental Diseases Network of this global organization.