In 2007, Kris took over as CEO and Managing Director of Infosys Technologies Limited from Nandan Nilekani. During his 4-year tenure, Infosys' topline doubled to $6 billion. Kris previously served as Chief Operating Officer (since April 2002), and as the President and Joint Managing Director (since August 2006). His responsibilities included Customer Services, Technology, Investments and Acquisitions. In August 2011, he handed over the responsibility of CEO and MD to his colleague and another co-founder of Infosys, S D Shibulal. He was later appointed Executive Vice-Chairman of Infosys Board. He served as Non-executive Vice Chairman of Infosys Board from June 14 till October 10, 2014.