| Dr | Artem | Matyskin | Pennsylvania State University | United States | |
| Prof | Armando | Zarrelli | University of Naples "Federico II" | Italy | |
| Prof Dr | Aparna | Dixit | PRANVEER SINGH INSTITUTE OF TECHNOLOGY-KANPUR | India | |
| Assist Prof Dr | ANUJ KUMAR | SINGH | NILAMBER-PITAMBER UNIVERSITY, MEDININAGAR | India | |
| Prof | Annalisa | Pastore | King's College London | United Kingdom | |
| Dr | Angélique Nicolas | MESSI | Département de chimie organique, Université de Yaoundé 1 | Cameroon | |
| Dr | Andrey | Zhigachev | Institute of Solid State Physics, Russian Academy of Science | Russia | |
| Dr | Anca | Filimon | Institute of Macromolecular Chemistry, Iasi | Romania | |
| Mr | Anastasios | Ziakas | University of Piraeus | Greece | |
| Mr | Ananya | Srivastava | Hahn-Schickard-Gesellschaft | Germany | |
| Mrs | Ana | de Dios Cubillas | Centro de Astrobiología (CAB), CSIC-INTA | Spain | |
| Dr | Amira | Boseila | Sinai University | Egypt | |
| Ms | AMBIKA | Pathak | Jaypee Institute of Information Technology | India | |
| Prof | Amar | Abderrahmani | Univ. Lille, CNRS, Centrale Lille, Univ. Polytechnique Hauts-de-France, UMR 8520, IEMN | France | |
| Prof Dr | Amal | Abdel-karim | National Rearch Centre | Egypt | |
| Dr | Aloïse | MABONDZO | CEA | France | |
| Prof | Alison | Lewis | University of Cape Town | South Africa | |
| Prof | Alimorad | Rashidi | Research Institute of petreolum Industry | Iran | |
| Dr | Alicreance | Hiyadutuje | South African National Space Agency | South Africa | |
| Prof | Ali Boutlelis | Djahra | Univ Eloued | Algeria | |