| Assoc Prof Dr | Ali | Darvishi Boloorani | Department of Remote Sensing and GIS, Faculty of Geography, University of Tehran | Iran | Engineering | Environmental Remote Sensing | Best Researcher Award | |
| Dr | Fakhrieh | Darabseh | Yarmouk University | Jordan | Social Sciences | TOURISM/ ACCESSIBLE TOURISM/ tourism for disabled | Best Researcher Award | |
| Assoc Prof Dr | Kais | Daoudi | University of Sharjah | United Arab Emirates | Materials Science | Nanomaterials and Bisensors | Best Paper Award | |
| Dr | Alex Boadi | Dankyi | University of Cape Coast | Ghana | Energy | Energy Economics and Environmental Management | Most Reader's Article Award | |
| Dr | Masood | Danesh | Urmia university of technology | Iran | Engineering | Engineering Optimization | Best Researcher Award | |
| Dr | Gace Athanase | Dalson | University of Rwanda | Rwanda | Engineering | Mechanical Engineering/Fluid Mechanics/Flow Measurement and Instrumentation | Best Researcher Award | bestpaperawards.com |
| Prof | Romano | Dallai | University of Siena | Italy | Agricultural and Biological Sciences | Entomologia- ultrastruttura insetti | Best Researcher Award | |
| Prof | Hiroshi | Daimon | Institute for Molecular Science | Japan | Materials Science | Photoelectron holography | Best Researcher Award | |
| Mr | Xuguang | Dai | China University of Mining and Technology | China | Earth and Planetary Sciences | CO2 geo-sequestration | Best Researcher Award | |
| Prof. Dr | Liming | Dai | University of New South Wales | Australia | Materials Science | Biomaterials and biosensors | Best Researcher Award | bestpaperawards.com |
| Dr | Tshetiz | Dahal | Lugansk State Medical University | India | Neuroscience | Cancers | Best Researcher Award | |
| Dr | Aimé Kocou | DADEGNON | Université d'Abomey-Calavi | Benin | Economics, Econometrics and Finance | Economie Numérique | Most Reader's Article Award | |
| Mrs | Maryam | Dadar | Razi vaccine and serum research institute | Iran | Agricultural and Biological Sciences | Brucellosis | Best Researcher Award | |
| Prof | minoo | Dabiri | Shahid Beheshti University | Iran | Chemistry | nanochemistry and materials | Best Researcher Award | |
| Dr | Dennys | da Silva | UFMA | Brazil | Chemical Engineering | Oil and gas | Best Researcher Award | |
| Prof Dr | Alessandro | D'Urso | University of Catania | Italy | Chemistry | Materials Chemistry | Best Researcher Award | |
| Ms | Sara | D'Andrea | La Sapienza University of Rome/Sogei Spa | Italy | Economics, Econometrics and Finance | Economic Growth | Best Researcher Award | |
| Prof | Yuvaraj | D | Vel Tech High Tech Dr. Rangarajan Dr. Sakunthala Engineering College | India | Environmental Science | Marine Biology | Most Reader's Article Award | |
| Mr | Dhakshna moorthy | D | Saveetha institute of medical and technical science | India | Materials Science | Fiber | Best Researcher Award | |
| Dr | SERGIO ANTONIO | CUOZZO LENCINA | PROIMI-CONICET | Argentina | Biochemistry, Genetics and Molecular Biology | MICROBIOLOGY | Most Reader's Article Award | |