He is also director of the Clinical Research Center (International Division) at Chongqing University in China. Kopjar's research and academic focus is on evidence-based health policy, clinical epidemiology and health outcomes. He has authored or co-authored over 400 scientific publications. Kopjar has an M.S. in biostatistics and an M.D. from the University of Zagreb in Croatia and a Ph.D. in epidemiology from the University of Oslo in Norway.