| 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 |
| Prof | Alexander | Agafonov | Институт химии растворов им. Г.А.Крестова РАН | Russia | 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 |
| Dr | Alejandra | Ruiz-Clavijo | IFW Dresden | Germany | topteachers.net |
| Dr | Al Taqdir | Badari | PT Temu Ruang Inovasi | Indonesia | topteachers.net |
| Prof. Dr | Aktam | Burkhanov | International School of Finance Technology and Science (ISFT) | Uzbekistan | topteachers.net |
| Assist. Prof. Dr | Ajoy | Kumer | IUBAT-International University of Business Agriculture and Technology | Bangladesh | topteachers.net |
| Dr | Ajoy Kumar | Bauri | Bio-Organic Division, Bhabha Atomic Reasearch Centre, Trombay, Mumbai-400085 | India | topteachers.net |
| Prof | Ahmet Alki | sertkaya | selcuk University | Turkey | topteachers.net |
| Prof | Ahmed | Sani | Ibn Zohr Universiyu | Morocco | topteachers.net |
| Dr | Ahmed | Bakillah | King Abdullah International Medical Research Center (KAIMRC) | Saudi Arabia | topteachers.net |
| Dr | Ahmadreza | Nikbakht | Sharekord university | Iran | topteachers.net |
| Mrs | Agnese | Beltramo | KTH Royal Institute of Technology | Sweden | topteachers.net |
| Dr | Agha Shadab | Ali | Infrastructure University Kuala Lumpur (IUKL) | Malaysia | topteachers.net |
| Dr | Afshin | Khodaparast | Shahid beheshti university | Iran | topteachers.net |
| Mr | Adrianov | Mikhail | Moscow State University, Moscow, Russian Federation | Russia | topteachers.net |