| Mr | Agus | Nursalim | UNIVERSITAS PENDIDIKAN INDONESIA | Indonesia | |
| Mr | AGUS | NURSALIM | uUniversitas Pendidikan Indonesia | Indonesia | View Profile |
| Dr | AGUS | NURSALIM | Universitas Pendidikan Indonesia | Indonesia | View Profile |
| Dr | Michael | O'Brien | La Trobe University | Australia | View Profile |
| Mr | Rotimi | Obateru | WASCAL, Federal University of Ibadan | Nigeria | View Profile |
| Eugene | OBrien | University College Dublin | Ireland | |
| Agostino | Occhicone | Sapienza University of Rome | Italy | |
| Dr | Michael | Ochang | Federal University of Agriculture, Makurdi,Nigeria | Nigeria | View Profile |
| Dr | Joseph | Ogbezode | University of Ibadan | Nigeria | View Profile |
| Dr | Olayinka | Ogundile | Tai Solarin University of Education | Nigeria | |
| Michael | Ogungbuyi | University of Tasmania | Australia | View Profile |
| Dr | Joao | Oliveira | Department of Physics, University of Aveiro | Portugal | |
| Prof | Bindhu | Omana Sukumaran | Jain (Deemed-to-be University) | India | View Profile |
| Assist Prof Dr | Hossam | Omara | School of Business | Coventry University | Egypt | View Profile |
| Assist Prof Dr | Ibrahim Momoh-Bello | Omiogbemi | Nile University of Nigeria, Abuja | Nigeria | |
| Dr | Amarachi | Onyena | Nigeria Maritime University Okerenkoko | Nigeria | View Profile |
| Dr | Francis | Opoku | Kwame Nkrumah University of Science and Technology | Ghana | |
| Mr | Gemechu | Ordofa | GOAL Ethiopia | Ethiopia | |
| Dr | Emuobosa | Orijemie | University of Ibadan | Nigeria | View Profile |
| Assoc Prof Dr | JOSY ANTEVELI | OSAJIMA | UNIVERSIDADE FEDERAL DO PIAUI | Brazil | View Profile |