TCS also appointed N Ganapathy Subramaniam as President and Chief Operating Officer.
"Mr Gopinathan takes over from Mr N Chandrasekaran who has been appointed as the Chairman of Tata Sons Ltd, effective February 21, 2017," TCS said in a statement.
Subramaniam, who is currently President (TCS Financial Solutions) has also been appointed as a director on the board of TCS, it added.
"TCS' core strength