| Mr | Dércio | José | Empresa Nacional de Hidrocarbonetos - ENH | Mozambique | View Profile |
| Assoc Prof Dr | DERESSE | DAKA | HAWASSA UNIVERSITY | Ethiopia | |
| Dr | Dewa Putu Wisnu | Wardhana | Neurosurgeon, Lecturer/Department of Neurosurgery, Udayana University-Prof. IGNG Ngoerah General Hospital. | Indonesia | View Profile |
| Mr | Dhritidyuti | Bose | Department of Conservation | New Zealand | View Profile |
| Assoc Prof Dr | Diana | Sannino | Università di Salerno | Italy | |
| DIANAVINNARASI | JOSEPH | Chennai Institute of Technology | India | |
| Dr | Dickson | Mkoka | Muhimbili University of Health and Allied Sciences | Tanzania | View Profile |
| Dr | DİLAY | HACIDURSUNOĞLU ERBAŞ | SANCAKTEPE EAH | Turkey | |
| Mr | Dip | Patel | Vira Designs LLC | United States | |
| Mr | Dip | Patel | Vira Designs LLC | United States | |
| Assist Prof Dr | Dong Ha | Lee | Busan Medical Center | South Korea | View Profile |
| Prof | Dr. Md. Hafiz | Uddin | Jashore University of Science and Technology | Bangladesh | View Profile |
| Dr | Dr.Muna | Salameh | Ajman university | United Arab Emirates | View Profile |
| Dr | Dragana | Rakasevic | Implant and research center Belgrade, School of Dental Medicine, Univesity of Belgrade, Serbia | Serbia | View Profile |
| Dr | DU | NGUYEN VAN | 108 Military Central Hospital | Vietnam | View Profile |
| Mr | Duc Cong | Nguyen | Silesian University of Technology | Poland | View Profile |
| Durjoy | Mistry | Department of CSE, University of Asia Pacific | Bangladesh | View Profile |
| Mrs | E | Dhanalakshmi | Vels Institute of Science, Technology & Advanced Studies, Pallavaram,Chennai-600 117, Tamilnadu ,India. | India | |
| Dr | Ed | Sykes | Sheridan College | Canada | View Profile |
| Prof Dr | Ekaterina | Balakina | Volgograd State Technical University | Russia | View Profile |