Dr. Jayakrishnan is a Senior Consultant in Pulmonology in the Head & Neck and Thoracic program, Sultan Qaboos Comprehensive Cancer Care Centre, Muscat, OMAN. Till recently he was working in the same grade in the Pulmonology Unit, Sultan Qaboos University Hospital, Muscat. He was working as an Associate Professor, Department of Pulmonology in PSG Institute of Medical Sciences, Coimbatore, India and later as a Consultant in Ministry of Health, Kuwait before joining SQU in 2007. He is a Fellow of  the Royal College of Physicians (FRCP), Indian Chest Society (FICS) and the American College of Chest Physicians (FCCP). He graduated from Medical College, Calicut, India and then did his post-graduation in Respiratory Medicine from Medical College, Trivandrum. He is also a Diplomate of the National Board, India in Respiratory Medicine. He is trained in all aspects of Pulmonology including pleural and bronchoscopic interventions. He has around 60 publications in different aspects of Respiratory Medicine and is involved in the teaching of medical students for more than 30 years. He is an Associate Editor of SQU Medical Journal. He is actively involved in the hospital quality initiatives in SQCCCRC and in the former hospitals as well. He is an active member in different medical societies like Indian Chest Society, Chest Council of India, American College of Chest Physicians, Royal College of Physicians, European Respiratory Society, Indian Association of Bronchology and Association of Physicians of India. Till recently he was the General Secretary of Oman Respiratory Society.