He is a numismatist, art historian and archaeologist. He is an author of 14 books, 5 Exhibition Catalogues; 2 translations of books; editor of 6 volumes; author of 145 research articles; 9 prefaces; 14 book reviews in reputed international journalsand 2 databases. He has read 93 papers at international colloquia; presented 292 conferences in 65 cities, and has carried out archaeological missions in 29 different countries.
Prof.Bopearachchi holds B.A. from the University of Kelaniya (Sri Lanka), and B.A. honours, M.A., M.Phil., Ph.D. from the Paris 1 Sorbonne University, and a Higher Doctorate (Habilitation) from the Paris 4 Sorbonne University.
He is recipient of prestigious international awards. French Academy of Inscriptions and Belles-Lettres bestowed most prestigious awards to five of his books and "George Perrot Medal” being the most distinguished one. He was raised to the position of the “Order of Academic Palms” by the French government and the “Order of Constantine the Great” by the Greek government. He published three books in 2020:Roots of Sri Lankan Art, Department of Archaeology, Colombo; From Hindu Kush to Salt Range, co-authored by Prof.SusmitaBasuMajumdar, ink beyond Imagination, Kolkata and When West Met East: Gandhāran Art Revisted published by Manohar, Delhi. This book received the distinguished “Ikuo "Hiriyama Award” attributed by the French Academy.