T S Krishnamurthy, after spending 36 illustrious years in Civil Service, joined the Election Commission of India in 2000, as the Election Commissioner. He went on to become the Chief Election Commissioner of India in 2004, and is till date widely acclaimed for conducting the 2004 General Elections using Electronic Voting Machines for the first time in  all the polling booths across the country, successfully  reaching out to a colossal 670 million voters.

Known for his charismatic and scrupulous persona, he was befittingly appointed as Secretary to the Government of India, Department of Company Affairs in January 1997, being the first member of the Indian Revenue Service to hold that post. He also served as the Chief Commissioner of Income Tax in 1993 and was a member of the Commonwealth observation team for overseeing elections in Zimbabwe and the U.S. Presidential Elections in 2004.

After retirement, true to his dynamic temperament, he is on the Board of Governors of the Consumer Education and Research Centre, Ahmedabad, and various companies like Shriram Life Insurance Company Ltd. He is also a zealous member of numerous NGOs like HelpAge India, among others.