| Prof. Dr | Angel Arturo | Lopez Gonzalez | ADEMA-UIB School | Spain | topteachers.net |
| Dr | Andrei | Kharchanka | Institute for Nuclear Problems, Belarusian State University | Belarus | topteachers.net |
| Assoc. Prof. Dr | Andrea | Candido dos Reis | Universidade de São Paulo | Brazil | topteachers.net |
| Dr | Ana | Benaduce | Florida International University | United States | topteachers.net |
| Mr | AMR | ASHMAWI | South Dakota State University | United States | topteachers.net |
| Prof | Amir Saeed | Shirani | Shahid Beheshti University | Iran | topteachers.net |
| Dr | Amir | Karimi | university of Tabriz | Iran | topteachers.net |
| Dr | Amine | Bouachba | Necker Hospital | France | topteachers.net |
| Dr | Amar | Jassim | Marine science center/University of Basrah | Iraq | topteachers.net |
| Dr | Ali | Katebi | Kharazmi University | Iran | topteachers.net |
| Dr | ali ihsan | aygun | Duzce University | Turkey | topteachers.net |
| Dr | Ali | Emamverdian | HUAQIAO UNIVERSITY | China | topteachers.net |
| Prof. Dr | Ali Bekir | YILDIZ | Kocaeli University | Turkey | topteachers.net |
| Prof. Dr | Ali | Aygun | Selçuk University, Agriculture Faculty, Deparment of Animal Science | Turkey | topteachers.net |
| Mr | Alexandros | Gazis | Democritus university of Thrace | Greece | topteachers.net |
| Mr | Alexander S. | Ovsyannikov | A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS | Russia | topteachers.net |
| Mr | Alexander | Panichev | Russian Academy of Sciences | Russia | topteachers.net |
| Dr | Alexander | Djerdjev | The University of Sydney, School of Chemistry | Australia | topteachers.net |
| Ms | Alena | McQuarter | Loma Linda University | United States | topteachers.net |
| Mr | Alemayehu Hido | Gedo | Department of Natural Resources Management, College of Agriculture, Wolaita Sodo University, P.O. Box 138, Wolaita Sodo, Ethiopia | Ethiopia | topteachers.net |