Mathai took the office on Monday. He succeeds Jaimini Bhagwati, who retired recently.
Born on May 24, 1952, Mathai joined the Indian Foreign Service in 1974, after completing Post Graduate studies in Political Science at the University of Poona.
He served in Indian missions in Vienna, Colombo, Washington, Tehran and Brussels.
As joint secretary (BSM) in the external affairs ministry in New Delhi (January 1995 to February 1998), he headed the division dealing with India's relations with Bangladesh, Sri Lanka, Myanmar and Maldives.
He was the ambassador of India to Israel from February 1998 to June 2001 and to Qatar from August 2001 to July 2005.
He next held the post of deputy high commissioner of India to the UK in London from August 2005 to January 2007.
He served as the ambassador of India to France with concurrent accreditation to the Principality of Monaco from January 2007 till he assumed the office of foreign secretary from August 2011 to July 2013.
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