Satinath (Sathyu) Sarangi was born in Chakradharpur, Jharkhand, India, on 25 September 1954. Since 1984 he has lived in Bhopal. Sarangi has been involved with the multiple activities run by a network of local, national, and international groups, pursuing health and economic needs, fighting legal claims, providing medical support, and working to ensure remembrance of the Bhopal disaster of 1984. Sarangi is the founder of several activist organizations and is also the founder and manager of Sambhavna Trust.