| Prof | Jihad | Souissi | Tunisia | Tunisia |
| Dr | Jihan | Zhuang | Stanford university | United States |
| Dr | Jihoon | Jang | Korea Institute of Civil Engineering and Building Technology | South Korea |
| Dr | Jingcai | Yu | Xihua University | China |
| Dr | Jingduo | Hu | Jilin University | China |
| Assoc. Prof. Dr | Jingjing | Wang | Chinese Academy of Sciences | China |
| Dr | Jingpei | Wang | Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences | China |
| Mr | John | Mwangi | University of Kwazulu Natal | Kenya |
| Mr | JONAS | MUHEKI | Kyambogo University | Uganda |
| Dr | JongHyun | Kim | Korea Institute of Industrial Technology (KITECH), Industrial Transformation Technology Department | South Korea |
| Mr | Jorge | Teixeira | Instituto superior de Engenharia do Porto | Portugal |
| Dr | Juan Luis | Torres Tenor | La Paz University Hospital | Spain |
| Prof | Juan Martin | Garcia Chumacero | Universidad Señor de Sipán | Peru |
| Dr | Juan Pablo | Tafur Guisao | Universidad Politécnica de Madrid | Spain |
| Dr | Julio Cesar | Cenci de Aguiar | UNESP | Brazil |
| Prof | Jun | Li | Kunming university | China |
| Mr | JUNAID | KHAN | Hunan University | China |
| Dr | Junmo | Jung | Korea Institute of Ocean Science and Technology | South Korea |
| Mr | Kaan | Koçali | Istanbul Gelisim University | Turkey |
| Assist. Prof. Dr | Kaan | Koçali | Istanbul Gelisim University | Turkey |