| CARLOS | DA SILVA | carlos_silva@usp.br | Brazil | Engineering | Materiais/Corrosão/Petróleo | worldtopscientists.com |
| Agostinho | da Silva | Beira Interior University | Portugal | Engineering | Engenharia e Gestão Industrial | worldtopscientists.com |
| abdolah | Dadazadeh | University of Tabriz | Iran | Pharmacology, Toxicology and Pharmaceutical Science | Food chemistry and medicinal plants | worldtopscientists.com |
| Yulin | Dai | changchun university of Chinese medicine | China | Biochemistry, Genetics and Molecular Biology | traditional medicine | worldtopscientists.com |
| Pratap Kumar | Dakua | Vignan’s Institute of Information Technolgy (A), Duvada, Vishakaptnam | India | Engineering | Solar Cell | worldtopscientists.com |
| Leila | Dal Moro | Faculdade Atitus Educação | Brazil | Social Sciences | Gestão Sustentabilidade | worldtopscientists.com |
| Akife | DALDA ŞEKERCİ | Erciyes University | Turkey | Agricultural and Biological Sciences | ornamental plants, vegetables | worldtopscientists.com |
| Brittany | Dale | Ball State University | United States | Psychology | Assessment | worldtopscientists.com |
| MARCELLE | DANELON | São Paulo State University (Unesp), School of Dentistry, Araçatuba. | Brazil | Medicine and Dentistry | Biomateriais | |
| Júlia | Daneluz | University of Caxias do Sul | Brazil | Chemical Engineering | Beverage Technology | |
| JIBIN JOY | DANIEL | PUSHPAGIRI COLLEGE OF DENTAL SCIENCES | India | Dentistry | ORTHODONTICS | worldtopscientists.com |
| Khaled | Daqrouq | ECE Department, King Abdulaziz University | Saudi Arabia | Engineering | Biomedical Engineering | worldtopscientists.com |
| Tanveer | Dar | National Institute of Hydrology Roorkee-247667 India | India | Earth and Planetary Sciences | Hydrogeology | worldtopscientists.com |
| Kaneez Fatima | Dar | Indian Institute of Technology Roorkee | India | Psychology | Cognitive psychology | worldtopscientists.com |
| Amin | Darabnoush Tehrani | The University of Texas at Arlington | United States | Engineering | Civil Engineering / Buried Infrastructure Rehabilitation | worldtopscientists.com |
| Getasew | Daru | Mekdela Amba University | Ethiopia | Agricultural and Biological Sciences | Agriculture Extension and Technology transfer | worldtopscientists.com |
| Amena | Darwish | University of Skovde | Sweden | Engineering | Applications of Laser Sensors for Precision Measurements | worldtopscientists.com |
| Mahmoud | Darwish | New Valley University, Egypt | Egypt | Earth and Planetary Sciences | Geology -Hydrogeology | worldtopscientists.com |
| Shubhajyoti | Das | Indian Institute of Engineering Science and Technology, Shibpur | India | Computer Science | Artificial Intelligence | worldtopscientists.com |
| kavya | dashora | Indian Institute of TEchnology, Delhi | India | Agricultural and Biological Sciences | Food Technology | worldtopscientists.com |