Mr. Ro Vannak, Assistant Dean for College of Social Sciences, The University of Cambodia. Currently, he is a PhD Student in International Relations at TSS. He earned his MA in Political Science. He had been working for NGOs and was a University Lecturer for many years before he holds position as Assistant Dean for College of Social Sciences. His current publication is THE U.S.A AND PRC COMPETITION IN ASIA PACIFIC REGION: GEO-ECONOMICS’ AND GEOPOLITICAL ASPECTS, "Belgorod State National Research University", Russia.