Before becoming Chairman of Tata Sons, he built his career at Tata Consultancy Services (TCS), eventually taking charge of the company as its CEO. ALSO READ: N Chandrasekaran Net Worth: Inside His Wealth, Salary, Career And Luxury HomeN Chandrasekaran Education Qualification: What Did He Study? Chandrasekaran's association with the Tata Group began in 1987, when he joined Tata Consultancy Services as an intern. He became one of the youngest leaders in the Tata Group to take charge of a major company. N Chandrasekaran As Tata Sons ChairmanChandrasekaran's career reached another significant milestone in 2017, when he was appointed Chairman of Tata Sons, succeeding Ratan Tata.