| Dr | Cristina | Russo | Università degli studi di Catania | Italy | VIew Profile |
| Mrs | Cristina | Pruenza | Instituto de Ingeniería del Conocimiento (IIC) | Spain | VIew Profile |
| Dr | Cyrielle | Bouchez | TRIO - Uniklinik Köln | Germany | VIew Profile |
| Mr | Dame Ayane | Tolcha | Office | Ethiopia | VIew Profile |
| Prof | Dan | Liu | School of Safety Science and Emergency Management, Wuhan University of Technology | China | VIew Profile |
| Prof | Daniel | Kalús | Slovak University of Technology in Bratislava | Slovakia | VIew Profile |
| Dr | Darkhan | Yerezhep | Satbayev University | Kazakhstan | VIew Profile |
| Dr | Dasiel Oscar | Borroto Escuela | University of Malaga | Spain | VIew Profile |
| Mr | Debela | Alema | Jimma university | Ethiopia | |
| Assist. Prof. Dr | Dejan | Arsenijevic | Faculty of Project and Innovation Management “Prof. Dr. Petar Jovanović”, Educons University, Belgrade | Serbia | VIew Profile |
| Prof. Dr | Dessislava | Petrova-Antonova | GATE Institute, Sofia University | Bulgaria | VIew Profile |
| Dr | Diksha | Gupta | Ajeenkya DY Patil University, Pune | India | VIew Profile |
| Prof. Dr | Dima | Chen | Inner Mongolia University | China | VIew Profile |
| Prof. Dr | Dimitrios | Sophianopoulos | Department of Civil ENgineering/University of Thessalu | Greece | VIew Profile |
| Dr | DINESHBABU | M | Rajalakshmi Institute of technology, Chennai-124 | India | VIew Profile |
| Dr | Dino | Pitoski | PEOPLET Ltd. Lindar, Istria, Croatia | Croatia | VIew Profile |
| Dr | Dismas | Oketch | University of Nairobi | Kenya | VIew Profile |
| Assist. Prof. Dr | Djeni | Cherneva | Medical University - Varna Prof. Dr. Paraskev Stoyanov | Bulgaria | VIew Profile |
| Assist Prof Dr | Dr. Abd Al-Bar | Al-Farha | Center of Technical Research/Northern Technical University | Iraq | VIew Profile |
| Prof | Duen-Yian | Yeh | Guangdong-Taiwan College of Industrial Science & Technology/ Dongguan University of Technology | China | VIew Profile |