Gautam Sen is a resident of Kolkata (Calcutta), India. He has taught English in Bhutan and India, and worked as an Editor and Senior English Writer for the Royal Government of Bhutan.

He has written a non-fiction best-seller in India called The Mind of Swami Vivekananda; his children's novel The Fantabulous Fens has been published by Central Avenue Publishing, Canada; he has co-authored two volumes of essays and letters (Essays and Letters for Winners) for Macmillan India, and a 5,000-word short story of his is featured in Prizewinning Asian Fiction (Hong Kong University Press). His writings have appeared in various print and online publications around the world.