| Mr | Manença Cristiano | Nhanga | Púnguè University | Mozambique | topteachers.net |
| Assoc Prof Dr | Mang | He | Sun Yat-sen University | China | topteachers.net |
| Dr | Marc | Le Menn | Shom | France | topteachers.net |
| Assist. Prof. Dr | Marcelo | Boriollo | Universidade Federal de São Carlos (UFSCar) | Brazil | topteachers.net |
| Prof | Marec-Breton | Nathalie | Université Rennes 2 | France | topteachers.net |
| Prof. Dr | Maria | Economou | University of Glasgow | United Kingdom | topteachers.net |
| Dr | Maria Eva | Sosa | INTI-CONICET | Argentina | topteachers.net |
| Assoc. Prof. Dr | Maria | Kosma | Louisiana State University | United States | topteachers.net |
| Assoc. Prof. Dr | Maria | Kosma | Louisiana State University | United States | topteachers.net |
| Dr | Maria | Voutsa | Cyprus University of Technology | Cyprus | topteachers.net |
| Dr | Marie-Joelle | VIROLLE | I2BC / CNRS / University Paris Saclay | France | topteachers.net |
| Dr | Marina | Makri | School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki | Greece | topteachers.net |
| Dr | Marjan | Razi Khosroshahi | Shahid Beheshti university of medical sciences | Iran | topteachers.net |
| Mr | Markku | Kinnunen | Aalto University | Finland | topteachers.net |
| Dr | Márton | Vidovszky | HUN-REN Veterinary Medical Research Institute | Hungary | topteachers.net |
| Dr | Mary | Allen | Lynker, National Oceanic and Atmospheric Administration | United States | topteachers.net |
| Prof | Mary | Darmanin | University of Malta | Malta | topteachers.net |
| Assist Prof Dr | Marzoq | Odhah | Al Razi University | Yemen | topteachers.net |
| Assist. Prof. Dr | Masoud | Kargar | Islamic Azad University, Tabriz Branch | Iran | topteachers.net |
| Prof | Masoud | Mokhtary | Islamic Azad University | Iran | topteachers.net |