Ajay Kumar Singh, born on February 5, 1970, is a retired Indian Administrative Service officer from the 1998 batch, Uttar Pradesh cadre. He holds a B.Tech. in Civil Engineering. Over his career, he served in various capacities including Joint Magistrate, District Collector and Magistrate, District Magistrate, Additional Commissioner, Chief Executive Officer, and Special Secretary. His most recent position was Special Secretary in the Agriculture Production Department, a role he held from August 20, 2007, to February 28, 2030.