| Prof | Neila | Saidi | Centre de recherches et des technologies des eaux | Tunisia | topteachers.net |
| Dr | Zhassulan | Sadykov | Esil University | Kazakhstan | topteachers.net |
| Prof. Dr | BASSEM | SADEK | College of Medicine and Health Sciences, United Arab Emirates University | United Arab Emirates | topteachers.net |
| Assist. Prof. Dr | Salma | Saddeek | Hafr Al Batin Univercity | Saudi Arabia | topteachers.net |
| Mr | Sina | Saadati | Amirkabir University of Technology | Iran | topteachers.net |
| Prof. Dr | vasavi | S | Velagapudi Ramakrishna Siddhartha Engineering College | India | topteachers.net |
| Dr | Chen | Ruixing | Guilin University of electronic and technology | China | topteachers.net |
| Ms | Jhelum | Roy | Jadavpur University | India | topteachers.net |
| Prof | Limin | Rong | The Third Affiliated Hospital of Sun Yat-sen University | China | topteachers.net |
| Prof | Xavier | Romão | University of Porto - Faculty of Engineering | Portugal | topteachers.net |
| Mr | Supantha | Rivu | Notre Dame University Bangladesh | Bangladesh | topteachers.net |
| Mr | YAIR | RIVERA | Coporacion Universitaria Americana | Colombia | topteachers.net |
| Dr | Julien | Riposo | J.R. Enterprise | France | topteachers.net |
| Prof. Dr | Frank | Ribeiro | Universidade Federal do Oeste do Pará | Brazil | topteachers.net |
| Mr | Mustafa | Rezaei | Kabul University | Afghanistan | topteachers.net |
| Dr | P N | Remya | SRM College of Pharmacy | India | topteachers.net |
| Assist. Prof. Dr | Hesham | Refaat | Zagazig University Hospital | Egypt | topteachers.net |
| Dr | Saleha | Redžepi | Department of Radiology, Clinical Center University of Sarajevo | Bosnia and Herzegovina | topteachers.net |
| Dr | Sara | RAZZAK | Ibn Tofail University | Morocco | topteachers.net |
| Dr | Marjan | Razi Khosroshahi | Shahid Beheshti university of medical sciences | Iran | topteachers.net |