| Ms | Akshara | S | Kumaraguru college of technology | India | View Profile |
| Assist Prof Dr | Katarzyna | Rudnik | Opole University of Technology, Poland | Poland | |
| Dr | Aashish | Roy | Skylurk Innovation LLP | India | |
| Mr | Pierre | Rouault | INRAE | France | View Profile |
| Prof | Marianna | Rotilio | University of L'Aquila, Department DICEAA, Italy | Italy | View Profile |
| Prof | Huan | Rong | Nanjing University of Information Science and Technology | China | View Profile |
| Mrs | Carlota | Rodríguez García | SERGAS | Spain | View Profile |
| Dr | Ronilson | Rocha | Federal University of Ouro Preto | Brazil | View Profile |
| Mr | Stephen | Robinson-Enebeli | University of Waterloo | Canada | |
| Mrs | Keeley | Rigby | Sheffield Hallam University | United Kingdom | View Profile |
| Assoc Prof Dr | Angelo | Riccio | University of Naples Parthenope | Italy | View Profile |
| Mr | Sina | Rezaei | University of Tehran | Iran | View Profile |
| Mr | Phillip Marvin | Reinders | Technische Universität Braunschweig, Institute for Surface Technology | Germany | |
| Mr | Mohamed | Reda | Al-Azhar University | Egypt | View Profile |
| Mr | Prayas | Rath | UW Laramie | India | |
| Dr | Laingo | RANDRIANARISOA | Kedge Business School | France | View Profile |
| Dr | SILVIO | RAMOS | Instituto Tecnológico Vale | Brazil | View Profile |
| Sara | Ramezani | Utrecht University | Netherlands | View Profile |
| Dr | celine | ramdani | institut de recherche biomedicale des armees | France | View Profile |
| Dr | Malathy | Ramalyingam | sona college of technology | India | |