- Prof. Dr. Saktioto, Universitas Riau, Indonesia
- Prof. Dr. Eddy Syaputra, Universitas Riau, Indonesia
- Prof. Dr. Maki Tsujimura, University of Tsukuba, Japan
- Assoc. Prof. Dr. Samsudin Taib, University of Malaya, Malaysia
- Assoc. Prof. Dr. Md Aminul Islam, Universiti Brunei Darussalam, Brunei Darussalam
- Prof. Dr. Ismail Yusoff, University of Malaya, Malaysia
- Prof. Dr. Titania Nugroho, Universitas Riau, Indonesia
- Prof. Dr. Muhammad Aqeel Ashraf, China University of Geosciences, China
- Dr. Ibrahim, Princes Narathiwat University, Thailand
- Assoc. Prof. Yenita Roza, Ph.D, Universitas Riau, Indonesia
- Dr. Rudy Hendra, Universitas Riau, Indonesia
- Dr. Mohamad Faizal Tajul Baharuddin, Universiti Tun Hussein Onn Malaysia, Malaysia
- Assoc. Prof. Dr. Minarni, Universitas Riau, Indonesia
- Prof. Dr. Erwin, Universitas Riau, Indonesia
- Assoc. Prof. Dr. Faridah Lisa Supian, Universiti Pendidikan Sultan Idris, Malaysia
- Prof. Dr. Erman Taer, Universitas Riau, Indonesia
