| Dr | Beenish | Saba | The Ohio State University | United States | |
| Mr | mohamed | Saber | Zagazig University | Egypt | |
| Dr | Maziyar | Sabet | Petroleum and Chemical Engineering | Brunei Darrussalam | |
| Assist Prof Dr | Nagamuthu | Sadayappan | SSM Institute of Engineering and Technology | India | |
| Prof Dr | Liubov | Safonova | Institute of Solution Chemistry of the Russian Academy of Sciences | Russia | |
| Mr | Dibyadrasta | Sahoo | IIT ROORKEE | India | |
| Dr | Ahmed | Said | University of Comoros | Comoros | |
| Dr | Upendra | Sainju | USDA-ARS, Northern Plains Agricultural Research Laboratory, Sidney, MT 59270 | United States | |
| Dr | DHONDIRAM TUKARAM | SAKHARE | Shivaji Art's, Comm. & Science College Kannad Dist. Chhatrapati Sambhajinagar Maharashtra India | India | |
| Prof Dr | Georgios | Salachas | University of Patras | Greece | |
| Prof Dr | Dalia | Saleh | National Research Centre | Egypt | |
| Ms | Omnia | Salem | Beni-Suef University | Egypt | |
| Dr | Chakirath | Salifou | University of Abomey-Calavi | Benin | |
| Dr | Watheq | Salih | Scientific research comission | Iraq | |
| Dr | Daryoush | Sanaei | Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran | Iran | |
| Dr | Daryoush | Sanaei | Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran | Iran | |
| Assoc Prof Dr | Helton | Santiago | Federal University of Minas Gerais | Brazil | |
| Dr | Suchit | Sarin | University of Nebraska Lincoln | United States | |
| Dr | BIDYUT | SARKAR | JIS College of Engineering | India | |
| Assist Prof Dr | Abdul | Sattar | Dawood University of engineering and technology karachi | Pakistan | |