Ajoy grew up in West Bengal in India and received his undergraduate study from Calcutta University and M.Sc from the Department of Chemistry at Indian Institute of Technology, Madras. During his master thesis work in the group of Prof. Sundarababu Baskaran, he was working on total synthesis of alkaloids. As a ESKAS fellow he joined the group of Prof. Philippe Renaud to pursue his doctoral study in the field of radical chemistry in the Department of Chemistry and Biochemistry at University of Bern, Switzerland. Central theme of his doctoral thesis was to design new version of intramolecular Schmidt reaction and radical azidation reaction and their application in the synthesis of biologically active natural products. In 2012, he obtained Swiss National Science Foundation postdoctoral fellowship to carry out his first postdoctoral study in the field of organocascade catalysis and collective total synthesis of natural product in the group of Prof. MacMillan at Princeton. After working on metal – free transformation for a short period of time in the group of Prof. Jyotirmayee Dash at IACS Kolkata, he moved back to Europe to carry out further postdoctoral study in the field of transition-metal catalysis & remote functionalization in the group of Prof. Franziska Schoenebeck at RWTH Aachen University, Germany.