A.J.M.C.M. Siriwardana is a lecturer (Probationary) at the University of Colombo Institute for Agro-Technology and Rural Sciences at Hambantota since May 2021. He completed his BSc. in Agriculture (Hons) degree with second class upper division at Faculty of Agriculture University of Ruhuna, Sri Lanka. He completed his MPhil degree at Faculty of Agriculture University of Ruhuna in the field of crop science.
He started his career in 2016 as a Research Assistant at the Department of Crop Science Faculty of Agriculture University of Ruhuna. Then, He joined University of Colombo Institute for Agro-Technology and Rural Sciences at Hambantota as a Temporary Demonstrator. Thereafter He appointed as a Research officer at the Sugarcane Research Institute Uda Walawe Sri Lanka.