| Prof. Dr | Frank | Ribeiro | Universidade Federal do Oeste do Pará | Brazil | View Profile |
| Mr | Mustafa | Rezaei | Kabul University | Afghanistan | View Profile |
| Prof. Dr | Silvia | Reverté-Villarroya | Universitat Rovira i Virgili | Spain | View Profile |
| Ms | Xiaofeng | Ren | Beijing Information Science and Technology University | China | View Profile |
| Dr | P N | Remya | SRM College of Pharmacy | India | View Profile |
| Assist. Prof. Dr | Hesham | Refaat | Zagazig University Hospital | Egypt | View Profile |
| Dr | Saleha | Redžepi | Department of Radiology, Clinical Center University of Sarajevo | Bosnia and Herzegovina | View Profile |
| Dr | Sara | RAZZAK | Ibn Tofail University | Morocco | View Profile |
| Dr | Marjan | Razi Khosroshahi | Shahid Beheshti university of medical sciences | Iran | View Profile |
| Dr | Rauoof Ahmad | Rather | SKUAST K | India | View Profile |
| Assoc. Prof. Dr | JOACIM | RAMBERG | Department of Special Education, Stockholm university | Sweden | View Profile |
| Dr | S. | Rajashekara | Bangalore University | India | View Profile |
| Mrs | SUNU | RAJ | UNIVERSITY OF KERALA, KARIAVATTOM PO, THIRUVANANTHAPURAM, KERALA, INDIA | India | View Profile |
| Dr | Aminur | Rahman | King Faisal University | Saudi Arabia | View Profile |
| Prof. Dr | Bo | QIU | University of Science and Technology Beijing | China | View Profile |
| Prof. Dr | Evgeniya | Pushchina | A.V. Zhirmunsky National Scientific Center of Marine Biology Far Eastern Branch, Russian Academy of Sciences (NSCMB FEB RAS) | Russia | View Profile |
| Mr | Antonio | Pucciarelli | SoftInWay Inc. | United States | View Profile |
| Dr | pian | pu | sichuan tourism university | China | View Profile |
| Prof. Dr | José | Prates | University of Lisbon | Portugal | View Profile |
| Assist. Prof. Dr | Mehran | Pourgholi | Islamic Azad University | Iran | View Profile |