| Mr | Md. Saalim | Shadmaan | Khulna University of Engineering & Technology (KUET), Bangladesh | Bangladesh | View Profile |
| Mr | S M Taslim Uddin | Raju | Khulna University of Engineering & Technology | Canada | View Profile |
| Dr | Ru Angelie | Edrada-Ebel | University of Strathclyde | United Kingdom | View Profile |
| Mr | Rotimi | Obateru | WASCAL, Federal University of Ibadan | Nigeria | View Profile |
| Prof | Rossella | Suriano | University of Messina | Italy | View Profile |
| Dr | Rosendo | Monroy-Loperena | ROMON | Mexico | View Profile |
| Dr | Rosa M | Garcinuño | UNED | Spain | View Profile |
| Prof Dr | Ronald | Skitmore | Bond University | Australia | View Profile |
| Prof Dr | Roger | Leblanc | University of Miami | United States | View Profile |
| Dr | Roberta | Fusco | University of Messina | Italy | View Profile |
| Mrs | Rita | Prasetyowati | Universitas Negeri Yogyakarta | Indonesia | View Profile |
| Ms | Rita Mwendia | Njeru | University of Szeged | Hungary | View Profile |
| Mr | Redwanul | Islam | Khulna University of Engineering & Technology | Bangladesh | View Profile |
| Dr | Razia Sulthana | Abdul Kareem | University of Greenwich | United Kingdom | View Profile |
| Assist Prof Dr | Ray | Saadaoui Mallek | University of Sharjah, College of Business Administration | United Arab Emirates | View Profile |
| Dr | RAVISHANKAR | BELLALA | OMEGA HOSPITAL | India | View Profile |
| Prof Dr | Raquel | Cantero Téllez | Universidad de Málaga | Spain | View Profile |
| Dr | Rana | Khayat | Umm Al- Qura University | Saudi Arabia | View Profile |
| Dr | Rama | Bhadekar | BHARATI VIDYAPEETH DEEMED TO BE UNIVERSITY | India | View Profile |
| Raj kumar | Singh | World Agroforestry (CIFOR-ICRAF) | India | View Profile |