Dr.Ajay Kumar is an officer of Indian Administrative Service belonging to Kerala cadre. He has been responsible for leading Kerala on the path of e-governance and citizen empowerment. He was the sub divisional magistrate and later district magistrate in Tellicherry in 1985-89. Dr. Kumar has also served as the secretary of Information and Technology from 2007 to 2010. He was later appointed as the Union Defence Secretary in 2019.
Dr. Kumar did his B.Tech in Electrical Engineering from IIT Kanpur in 1984. He earned an MS in Applied Economics and PhD in Business Administration from the University of Minnesota, USA.In a survey conducted by Asia Post, Dr. Ajay Kumar was chosen in the list of India's most effective bureaucrats in 2019. He is the recipient of the prestigious IITK Distinguished Alumnus Award 2019.