Dr.D.Sathish kumar M.B.B.S, M.D (Paediatrics), did his undergraduate degree (M.B.B.S 2001-2007) from the prestigious Madras medical college. Then he completed his post graduation (M.D Paediatrics 2009-2012) from another premier institute, Madurai medical college. He has presented papers in state conference. He has also won many quiz competitions in college and state levels. During his postgraduation he witnessed an epidemic of Dengue fever and did his thesis on clinical profile and outcome of dengue fever in hospitalised children and was rewarded with highest scores for the same in state level.
After completing his residency he joined Tamilnadu medical service as Assistant Professor of Neonatology at Government Rajaji hospital, Madurai and worked there for a period of about 2 years.