| Dr | Nusrat | Begum | PCSIR Laboratories' Complex | Pakistan | View Profile |
| Dr | ODERA CHUKWUMAIJEM | OKAFOR | ALEX EKWUEME FEDERAL UNIVERSITY NDUFU ALIKE, IKWO, EBONYI STATE, NIGERIA | Nigeria | View Profile |
| Dr | Ohoud | Alharbi | King Saud University | Saudi Arabia | View Profile |
| Prof | OKRAM | MUKHERJEE SINGH | Manipur University | India | View Profile |
| Prof. Dr | Oleg | Kapliński | Poznan University of Technology | Poland | View Profile |
| Mr | Oleg | Maschev | Federal State Budgetary Scientific Institution "Federal Scientific Agroengineering Center VIM | Russia | View Profile |
| Dr | Olushola Adeborode | Kolawole | University of Bradford | United Kingdom | View Profile |
| Mr | Oluwatayo Timothy | Jesudaju | Federal University of Technology Akure | Nigeria | View Profile |
| Mr | Ömer Faruk | Uzun | Sinop University | Turkey | View Profile |
| Dr | Ömer | Yavuz | Basaksehir Çam ve Sakura City Hospital | Turkey | View Profile |
| Mr | Omid | Dehghan | Iranshahr University of Medical Sciences | Iran | View Profile |
| Mr | Onur | Limon | Turkish Armed Forces (Retired) | Turkey | View Profile |
| Assoc. Prof. Dr | Otilia | Clipa | Ștefan cel Mare University of Suceava | Romania | View Profile |
| Assoc. Prof. Dr | Otilia | Clipa | Ștefan cel Mare University of Suceava | Romania | View Profile |
| Assoc. Prof. Dr | Özlem | Doğan | Ankara University School of Medicine | Turkey | View Profile |
| Dr | P N | Remya | SRM College of Pharmacy | India | View Profile |
| Mr | Panagiotis | Mangenakis | Democritus University of Thrace | Greece | View Profile |
| Prof | Paola | Cabrera | Universidad Técnica Particular de Loja | Ecuador | View Profile |
| Mrs | Parinaz | Hosseini | Iran University of Science and Technology | Iran | View Profile |
| Mr | Paschal | Boruzie | Sunyani Technical University and University of Eastern Finland | Ghana | View Profile |
| Mrs | Patrycja Anna | Glogowski | IRCCS of Bologna | Italy | View Profile |
| Mrs | Paula | | IVIRMA Foundation | Spain | View Profile |
| Dr | Paulo | Araújo | Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Norte | Brazil | View Profile |
| Prof | Pedro | Hernández-Cortés | Granada University | Spain | View Profile |
| Ms | Peggy | Lai | Chinese University of Hong Kong | Hong Kong | View Profile |
| Prof | Pei | Yuan | Fuzhou University | China | View Profile |
| Dr | pian | pu | sichuan tourism university | China | View Profile |
| Mrs | Ping | Fang | China Academy of Building Research | China | View Profile |
| Prof | Pinglin | Li | Ocean University of China | China | View Profile |
| Dr | Pramod Kumar | Aylapogu | CMR Engineering College | India | View Profile |
| Dr | Pratap C. | Mohanty | Indian Institute of Technology, Roorkee | India | View Profile |
| Prof | Baoyu | Han | China Jiliang University | China | View Profile |
| Prof. Dr | Cristobal | Serran-Pagan y Fuentes | Palacky University | Czech Republic | View Profile |
| Prof. Dr | Ferdinand | Pospischil | Graz University of Technology - Institute of Railway Infrastructure Design | Austria | View Profile |
| Prof. Dr | Georgia | Veras de Araújo Gueiros Lira | Federal University of Pernambuco | Brazil | View Profile |
| Prof. Dr | Gina Ionela | Butnaru | "Alexandru Ioan Cuza" University of Iasi | Romania | View Profile |
| Prof | Serawit | Lakew | Arbaminch University | Ethiopia | View Profile |
| Dr | Pronob | Das | ICAR-Central Inland Fisheries Research Institute, India | India | View Profile |
| Prof. Dr | Qing | Liu | State Key Laboratory of Advanced Metallurgy/University of Science and Technology Beijing | China | View Profile |
| Ms | Qiusong | Liang | Northeast Forestry University | China | View Profile |
| Assist. Prof. Dr | R. Ahmad Zaky | El Islami | Universitas Sultan Ageng Tirtayasa | Indonesia | View Profile |
| Dr | Rabiu Saminu | Jibril | Kano state polytechnic | Nigeria | View Profile |
| Ms | Raghi | K R | Sathyabama Institute of Science and Technology | India | View Profile |
| Ms | Rahaf | Alsuhaimi | King Abdulaziz University | Saudi Arabia | View Profile |
| Mr | Rajan Kumar | Kandel | Tribhuvan University, Surkhet Multiple Campus; Graduate School of Education Kirtipur | Nepal | View Profile |
| Mr | Raja | Nakka | Ragon Institute of MGH, MIT & Harvard | United States | View Profile |
| Prof | Rajasimman | Manivasagan | Annamalai University | India | View Profile |
| Dr | Rajesh Kumar | Soothar | Sindh Agriculture Uiversity, Tandojam | Pakistan | View Profile |
| Dr | Rakesh Singh | Negi | Department of chemistry PNG Govt PG college Ramnagar | India | View Profile |
| Mr | Ramachandra M | Bhaskara | Frankfurt Institute for Advanced Studies | Germany | View Profile |
| Dr | Ramesh | Chinnasamy | Wildlife Institute of India | India | View Profile |
| Dr | Rania | H. Al-Taie | Mustansiriyah University, College of Medicine | Iraq | View Profile |
| Dr | Rauoof Ahmad | Rather | SKUAST K | India | View Profile |
| Mr | Reagan | MANDIYA | Université de Lorraine | France | View Profile |
| Ms | Réla | Bodea | George Emil Palade UMPhST Targu Mures | Romania | View Profile |
| Prof. Dr | Renee | Clary | Mississippi State University | United States | View Profile |
| Prof | reza | alimardani | university of tehran | Iran | View Profile |
| Mr | Robert | Belcourt | Henry Ford Health | United States | View Profile |
| Assist. Prof. Dr | Roberta | Lassance-Soares | University of Miami | United States | View Profile |
| Dr | Rofiqi | Rofiqi | Institut Agama Islam Al-Khairat Pamekasan | Indonesia | View Profile |
| Dr | Roger | Azevedo | University of Central Florida | United States | View Profile |
| Dr | Rongzhu | Gu | Shanghai Jiao Tong University | China | View Profile |
| Mrs | Rosa María | Martínez-Espinosa | University of Alicante (Spain) | Spain | View Profile |
| Prof. Dr | Rose-Mary | Boustany | American Univercity of Beirut | Lebanon | View Profile |
| Ms | Roya | Mohammadi Mey Abadi | Faculty of Pharmacy and Food Sciences University of Barcelona | Spain | View Profile |
| Prof. Dr | Rüdiger | Tiemann | Humboldt-Universität zu Berlin | Germany | View Profile |
| Prof. Dr | Runjiang | Song | Guizhou University | China | View Profile |
| Dr | S. | Rajashekara | Bangalore University | India | View Profile |
| Assist. Prof. Dr | Saba | Amiri | Neuroscience Research Center, Institute of Neuroscience and Cognition, Shahid Beheshti University of Medical Sciences, Tehran, Iran | Iran | View Profile |
| Mr | Sabahattin | Yeşilçınar | Muş Alparslan University | Turkey | View Profile |
| Mrs | Safanah | Alsaeed | King fahad medical city | Saudi Arabia | View Profile |
| Assist. Prof. Dr | Safora | Johansen | Oslo Metropolitan University | Norway | View Profile |
| Dr | Said | Gaci | Sonatrach- DC R&D | Algeria | View Profile |
| Dr | Saima | Zainab | The Women University Multan | Pakistan | View Profile |
| Mr | Saksham | Kohli | Cook County Health | United States | View Profile |
| Mr | SALAM SURESH | SINGH | Mizoram University | India | View Profile |
| Mr | Saleamlak | Tilahun | Debre Berhan University | Ethiopia | View Profile |
| Dr | Saleha | Redžepi | Department of Radiology, Clinical Center University of Sarajevo | Bosnia and Herzegovina | View Profile |
| Mr | Salifu | Adam | Universite de Lubumbashi | Congo, Democratic Republic of the | View Profile |
| Assist. Prof. Dr | Salma | Saddeek | Hafr Al Batin Univercity | Saudi Arabia | View Profile |
| Mr | Salvador | Aljazairi López | Universidad Internacional de la Rioja | Spain | View Profile |
| Prof | samar | al nahhas | Damascus University | Syria | View Profile |
| Assoc. Prof. Dr | Samira | Eslamizad | University | Iran | View Profile |
| Mr | Samuel | Odoom | Mampong Technical College of Education | Ghana | View Profile |
| Mr | Samuel | Ogundahunsi | Memorial University of Newfoundland | Canada | View Profile |
| Dr | Sana | Mujeeb | Iqra University Islamabad Campus | Pakistan | View Profile |
| Prof | Sanat Kumar | Mahato | Sidho-Kanho-Birsha University | India | View Profile |
| Dr | Sani | Salisu | Sule Lamido University | Nigeria | View Profile |
| Prof | Santo | Di Bella | Università di Catania | Italy | View Profile |
| Ms | SARA | DANKIR | University Polytechnic of Catalunya | Spain | View Profile |
| Dr | Sara | RAZZAK | Ibn Tofail University | Morocco | View Profile |
| Dr | Sara | Constantino | Stanford University | United States | View Profile |
| Mr | Sebastian | Arrizabalaga | Oregon Health and Science University | United States | View Profile |
| Ms | Sebiha | Demir | Universitätsklinikum Bonn (UKB) | Germany | View Profile |
| Prof. Dr | Seda | Karayünlü Bozbaş | Kocaeli University | Turkey | View Profile |
| Assist. Prof. Dr | Sediqeh | Soleimanifard | University of Zabol | Iran | View Profile |
| Assist. Prof. Dr | Sema | Servi | Selçuk University | Turkey | View Profile |
| Dr | senthilkumar | Arumugam | M.A.M.School of Engineering | India | View Profile |
| Dr | Seongryeong | Yu | Old Dominion University | United States | View Profile |
| Prof. Dr | Seoung-Hey | Paik | Korea National University of Educationn | South Korea | View Profile |