Ph.D. (Environmental and Natural Resources Sciences), Washington State University, U.S.A., 25431

Ph.D. (Environmental Studies), Griffith University, Australia, 2549

Ph.D. (Political Science, International Relations), Panjab University, India, 2549

Ph.D. (Political Science), Northern Illinois University, U.S.A., 2540

พธ.ด. (ปรัชญา), มหาวิทยาลัยมหาจุฬาลงกรณราชวิทยาลัย, 2557

Ph.D. (Information and Communication Sciences), University Panthéon-Assas Paris 2, France, 2556

Ph.D. (International, Political and Strategic Studies), Australian National University, Australia, 2564

ปร.ด. (การวิจัยพฤติกรรมศาสตร์ประยุกต์), มหาวิทยาลัยศรีนครินทรวิโรฒ, 2561

Ph.D. (Political Science), University of Waikato, New Zealand, 2558

Ph.D. (Political Science and International Relations), Istanbul University, Turkey, 2561

Ph.D. (Public Administration), College of Law Government and International Studies, Universiti Utara Malaysia, Malaysia., 2562

Ph.D. (Principles of Juridprudence) Islamic University of Madina, Saudi Arabia, 2547

Ph.D. West Asian Studies (Political Science), Aligarh Muslim University, India, 2559

ปร.ด. (ภาษาศาสตร์), มหาวิทยาลัยมหิดล, 2559