K S Sabarinathan is member of the Kerala Legislative Assembly from the Aruvikkara Constituency. He completed his schooling from Loyola School, Thiruvananthapuram.He is a graduate in Electrical Engineering from College of Engineering Trivandrum in 2005. He completed his MBA from MDI, Gurgaon in 2008. After that, he worked with the Tata Group in Mumbai for several years, eventually spending a few years working with the Tata Trusts in the areas of healthcare and nutrition. He was elected to Kerala Legislative Assembly in the 2015 By-elections from Aruvikkara constituency.