| Eduardo | Ropelle | University of Campinas (UNICAMP) | Brazil | Biochemistry, Genetics and Molecular Biology | Molecular biology of exercise | |
| Vasiliy | Rosen | The Hebrew University of Jerusal | Israel | Agricultural and Biological Sciences | water quality | worldtopscientists.com |
| Sobhan | Roshani | Islamic Azad University, Kermanshah, Iran | Iran | Engineering | Microwae, AI | worldtopscientists.com |
| FEDERICA | ROSSETTO | IRCCS Fondazione Don Carlo Gnocchi ONLUS | Italy | Psychology | Social Cognition, Neuroscience | worldtopscientists.com |
| Christos | Roumeliotis | University of Western Macedonia | Greece | Computer Science | Blockchain Technology | worldtopscientists.com |
| JERINA | RUGJI | Independent Researcher | Turkey | Agricultural and Biological Sciences | Food and Dairy Science | worldtopscientists.com |
| Parveen Fatemeh | Rupani | Cranfield University | United Kingdom | Energy | Environmental Biotechnology | worldtopscientists.com |
| KUMARAN | S | Saveetha Engineering College, Chennai | India | Engineering | Materials and nanostructures | worldtopscientists.com |
| Dr. Mohamed | S. Selim | Egyptian Petroleum Research Institute (EPRI), Nasr city, Cairo, Egypt | Egypt | Chemistry | Polymer Nanocomposite Coatings | worldtopscientists.com |
| Claudia Diana | Sabau Popa | University of Oradea | Romania | Economics, Econometrics and Finance | Finance | worldtopscientists.com |
| SHRIRANG | SABDE | Amber Cycle | United States | Chemical Engineering | Phase Transfer Catalysis | worldtopscientists.com |
| Ali | Sabir | Selcuk University | Turkey | Agricultural and Biological Sciences | Horticulture | worldtopscientists.com |
| Ayman | sabry | New Valley University | Egypt | Agricultural and Biological Sciences | Poultry nutrition | worldtopscientists.com |
| Özlem | Sabuncu | Near East University | Turkey | Engineering | Communication Systems | worldtopscientists.com |
| Özlem | Sabuncu | Near East University | Turkey | Engineering | Electrical and Electrical Engineering | worldtopscientists.com |
| Mehdi | Sabzehparvar | Amirkabir Univ. of Technology | Iran | Engineering | Aerospace Engineering researcher | worldtopscientists.com |
| Rasool | Sadeghi | Department of electrical engineering, DOL.C. , Islamic Azad University, Isfahan, Iran | Iran | Engineering | Wireless Network Optimization | worldtopscientists.com |
| Ali | Sadeghianjahromi | University of Warwick | United Kingdom | Engineering | Mechanical Engineering-thermal management | worldtopscientists.com |
| Firas | Saeed | University of Putra Malaysia | Iraq | Engineering | Structural Dynamic, Finite Element Method, Cyclic loads | worldtopscientists.com |
| Ram | Sagar | Johns Hopkins University | United States | Neuroscience | Genetics, Stem Cell Research | worldtopscientists.com |