Dr. Sachin Mittal held the position of Fellow at APPES (Asia Pacific Paediatric Endocrine Society) School, Bali, Indonesia, after which he joined Department of Endocrinology, T.N. Medical College & B.Y.L. Nair Hospital, Mumbai as Super Speciality Officer. He was a Fellow at ISPAD (International Society of Paediatric and Adolescent Diabetes) in July 2013. He was also a Fellow at ESPE (European Society of Paediatric Endocrinology) Winter School in Tbilsi, Georgia. His areas of expertise include diabetes, obesity, thyroid, cholesterol, PCOS, growth & puberty, hormone imbalances.