| Mr | Aman | Singh | Western University | Canada |
| Dr | ALMOHANNAD | ALGHAMDI | Saudi Aramco | Saudi Arabia |
| Dr | Allan | Fowler | University of Auckland | New Zealand |
| Assist. Prof. Dr | Alireza | Talesh Jafadideh | University of Tehran | Iran |
| Assoc. Prof. Dr | Alireza | Amini | Shiraz University | Iran |
| Assist. Prof. Dr | Ali | Devlet | faculty of agriculture and natural science / Bilecik university | Turkey |
| Prof. Dr | Alexey | Beskopylny | Don State Technical University | Russia |
| Ms | Aleksandra | Kułakowska | Faculty of Medicine, Institute of Medical Sciences, Collegium Medicum of Opole University, University of Opole, Oleska 48 Street, Opole, 45–052, Poland | Poland |
| Prof. Dr | Aleksandar | Jovovic | University of Belgrade | Serbia |
| Assist. Prof. Dr | Alberto | Montaner Cuello | Universidad Zaragoza | Spain |
| Mrs | aimon | mirza baig | imperial college lodnon | United Kingdom |
| Mr | Ahtisham | Ullah | Barbar House | Italy |
| Mr | Ahtisham | Ullah | Barbar House S.R.L | Italy |
| Mr | Ahnaf | Tahmid | American International University- Bangladesh | Bangladesh |
| Assist. Prof. Dr | Ahmed Mokhtar | LENSARI | Higher Normal School of Laghouat, Algeria | Algeria |
| Prof | Ahmad | Zamil | Prince Sattam bin Abdulaziz University | Saudi Arabia |
| Ms | Agnieszka | Greszta | Central Institute for Labour Protection - National Research Institute | Poland |
| Dr | Aggeliki | Papavasiliou | Institute of Nanoscience and Nanotechnology (INN), National Centre For Scientific Research Demokritos | Greece |
| Dr | Agar | Marín-Morales | University of Huelva | Spain |
| Mr | Aditya | Ranjan | IIT KHARAGPUR | India |