Keerthi Nathan worked with the District Administration of Theni and worked on a slew of development projects. He has also closely worked with the 'Naan Mudhalvan' of the Government of Tamil Nadu and its implementation in the district. He is a postgraduate from Tata Institute of Social Sciences, Mumbai, and a former Fellow with the Ministry of Skill Development & Entrepreneurship. He currently works with IIT Madras Research Park as an Innovation Manager.