Dr. Anupam Sibal joined Apollo Hospital, New Delhi, as a Senior Consultant Pediatric Gastroenterologist and Hepatologist in 1997. In 2003, Dr. Sibal was elevated to the position of Medical Director of Apollo Hospital, Delhi. Dr Sibal was appointed as Group Medical Director of the Apollo Hospitals Group in 2005. Dr. Sibal helped achieve the First International Accreditation of a hospital in India by Joint Commission International, USA in June 2005. Dr. Anupam Sibal has been serving as a Joint Commission International Physician Surveyor since January 2008.

Dr. Sibal helped set up the first successful liver transplant programme in India in 1998. In the last 2 years, this unit has performed 130 liver transplants with a 90% success rate. He is on the Editorial Board of 4 Journal publications and has 60 publications. He is on the Executive Board of the International Pediatric Transplant Association, The Asian Pan Pacific Association of Pediatric Gastroenterology, Hepatology and Nutrition, and the Commonwealth Association of Pediatric Gastroenterology and Nutrition, and has lectured extensively in India and abroad.