| Dr | Stefan | Rössler | Division of Macroscopic and Clinical Anatomy, Gottfried Schatz Research Center, Medical University of Graz, Auenbruggerplatz 25, A-8036 Graz, Austria | Austria | topteachers.net |
| Ms | Jhelum | Roy | Jadavpur University | India | topteachers.net |
| Dr | Chen | Ruixing | Guilin University of electronic and technology | China | topteachers.net |
| Dr | Alejandra | Ruiz-Clavijo | IFW Dresden | Germany | topteachers.net |
| Prof. Dr | vasavi | S | Velagapudi Ramakrishna Siddhartha Engineering College | India | topteachers.net |
| Mr | Sina | Saadati | Amirkabir University of Technology | Iran | topteachers.net |
| Assist. Prof. Dr | Salma | Saddeek | Hafr Al Batin Univercity | Saudi Arabia | topteachers.net |
| Prof. Dr | BASSEM | SADEK | College of Medicine and Health Sciences, United Arab Emirates University | United Arab Emirates | topteachers.net |
| Dr | Zhassulan | Sadykov | Esil University | Kazakhstan | topteachers.net |
| Prof | Neila | Saidi | Centre de recherches et des technologies des eaux | Tunisia | topteachers.net |
| Dr | Zaman | Sajid | Texas AM University | United States | topteachers.net |
| Mr | Jubayer Ahmed | Sajid | Aviation and Aerospace University | Bangladesh | topteachers.net |
| Dr | Muhammad | Saleem | Department of Electrical engineering, Khawaja fareed university of engineering and information technology Rahim yar khan | Pakistan | topteachers.net |
| Dr | Sani | Salisu | Sule Lamido University | Nigeria | topteachers.net |
| Assoc. Prof. Dr | Nurul Azita | Salleh | Universiti Utara Malaysia | Malaysia | topteachers.net |
| Prof | Ahmed | Sani | Ibn Zohr Universiyu | Morocco | topteachers.net |
| Dr | Sumaya | Saqr | Emirates College for Advanced Education | United Arab Emirates | topteachers.net |
| Mr | Md. Masum | Sarker | Noakhali Science and Technology University | Bangladesh | topteachers.net |
| Dr | EMMANUEL | SCALAIS | NEPE | Luxembourg | topteachers.net |
| Dr | Jean | Schneider | Paris Observatory | France | topteachers.net |