Professor Viroj Wiwanitkit is a medical professor and Asian Scholar. He is presently a visiting University Professor, Hainan Medical University, China. He has more than 950 international journal publications and 150 international textbook publications. He is editor in chief and editorial board of more than 40 journals. He has ever been invited to be keynote speakers of many international conferences. He is the Thai scientists with the most number of publications. He is a guest lecturer of many universities.