Sanjay Kumar is a serving bureaucrat of the 2002 batch of the Uttar Pradesh cadre, he is presently posted as Secretary, Finance, to the Government of Uttar Pradesh. Sanjay is an ardent naturalist and passionate wildlife photographer. During his tenure as District Magistrate in various districts of Uttar Pradesh, he, with an untiring focus on conservation of natural resources, has made all possible efforts to protect wildlife and biodiversity, specifically conservation of wetlands. He has been instrumental in many on-site conservation initiatives. Establishing the Blackbuck Conservation Reserve in Mirzapur district and restoration of Haiderpur Wetland in Muzaffarnagar district are amongst his most prominent initiatives. A prolific writer and talented photographer, Sanjay Kumar has several articles, books and stunning photographs to his credit. Some of his works include: Conservation of Potential Wetlands in District Sitapur, Threatened Birds of Uttar Pradesh by Oxford University Press, Birds In and Around Mussoorie, Thrill of Bird Watching, Bird Diversity of Uttar Pradesh, Bird's Around Us: A Pictorial Presentation.