1. Ph.D. Candidate, Graduate School, Lyceum of the Philippines University
2. Ph.D., Lecturer, Rattanakosin International College of Creative Entrepreneurship, Rajamangala University of Technology Rattanakosin
3. Ph.D., School of Economics, Chongqing Technology and Business University
4. Ph.D., Lecturer, Graduate School, Lyceum of the Philippines University
5. Ph.D., Guangzhou Institute of Science and Technology