- J. Cao (Auckland University of Technology)
- V. Chatyrko (Linköping University)
- D. Dikranjan (Universita di Udine)
- J. Dydak (University of Tennessee)
- S. Garcia-Ferreira (Universidad Nacional Autonoma de Mexico)
- V. Gutev (University of KwaZulu-Natal)
- A. Illanes (Universidad Nacional Autonoma de Mexico)
- N. Kemoto (Oita University)
- A. Koyama (Waseda University)
- T. Nogura (Ehime University)
- H. Ohta (Shizuoka University)
- M. Sakai (Kanagawa University)
- K. Tamano (Yokohama National University)
- H. Tanaka (Osaka Kyoiku University)
- Y. Tanaka
- J. Terasawa
- T. Yagasaki (Kyoto Institute of Technology)
- Y. Yajima (Kanagawa University)
- K. Yamazaki (Takasaki City University of Economics)
- Y. Yasui (Kio University)
Associate Editor
- T. Yamauchi (Shimane University)