Chandrasekaran has served as Chairman of Tata Sons and the Tata Group since January 2017. He joined Tata Consultancy Services (TCS) as an intern in 1987 and went on to become the company’s Chief Executive Officer in 2009 before taking charge of Tata Sons. Tata Sons is the principal investment holding company of the Tata Group, with Tata Trusts holding around 66 per cent of the company.