- Jacob L Manlove, Arkansas State University, USA
- Ali Montazar, University of California Division of Agriculture and Natural Resources, USA
- Xiong Youcai, Lanzhou University, China
- Barbara Hawrylak Nowak, University of Life Sciences in Lublin, Poland
- Filippo Gambella, University of Sassari, Italy
- Maria Grazia Cappai, University of Sassari, Italy
- Jose Manuel Goncalves, Polytechnic Institute of Coimbra, College of Agriculture, Portugal
- Giuseppe Pulighe, Council for Agricultural Research and Analysis of Agricultural Economics, Italy
- Thomas Bartzanas, Agricultural University of Athens, Greece
- Patricia Vit, University of the Andes, Venezuela
- Salah Arafa, American University in Cairo, Egypt
- Abdallah M Aldahadha, National Agricultural Research Center, Jordan
- Yasin Ozdemir, Ataturk Horticultural Central Research Institute, Turkey
- Ho Soon Min, INTI International University, Malaysia
- Laila Naher, Universiti Malaysia Kelantan, Malaysia
- Tony Hadibarata, Curtin University, Malaysia
- Adriano Jr Melendres, Cebu Technological University, Philippines