Chairman of the Board of Tata Sons, the holding company and promoter of more than 100 Tata operating companies with aggregate annual revenues of more than $100 billion. Joined the board of Tata Sons in October 2016 and was appointed Chairman in January 2017. Chairs the boards of several group operating companies, including Tata Steel, Tata Motors, Tata Power, Tata Global Beverages, Indian Hotels Company and Tata Consultancy Services (TCS). 2009-17, Chief Executive Officer, TCS. The Tata group companies include 29 publicly-listed corporations with a combined market capitalization that exceeded $120 billion at the start of 2017. Led TCS to generate total revenues of $16.5 billion in 2015-16. TCS has also been placed among the “big 4” most valuable IT services brands worldwide, ranked as one of the “World’s Most Innovative Companies” by Forbes and recognized as a “Global Top Employer” by the Top Employers Institute across 24 countries. Director on the board of India’s central bank, the Reserve Bank of India. Member, International Advisory Council, Singapore’s Economic Development Board. Chairman, Indian Institute of Management Lucknow. President of the Court, Indian Institute of Science Bengaluru. Recipient of awards and honours. Member of India’s bilateral business forums. Former Chairman, NASSCOM.