| Dessie Ezez | Asfaw | Arba Minch University | Ethiopia | Chemistry | Analytical Chemistry | worldtopscientists.com |
| Deyin | Zhang | Lanzhou University | China | Agricultural and Biological Sciences | Animal genetics, breeding and reproduction | worldtopscientists.com |
| Dhananjay | Janorkar | Shantaram Janorkar Foundation of Mathematics, MAHAN - 444 405, Tq. Barshitakli, Dist. Akola, Maharashtra State, India | India | Mathematics | Mathematics, Astrophysics and Science | worldtopscientists.com |
| Dhananjay | Janorkar | Shantaram Janorkar Foundation of Mathematics | India | Mathematics | Mathematics, Astrophysics and Science | worldtopscientists.com |
| Dhananjay | Taumar | IIMT UNIVERSITY | India | Neuroscience | pharmaceutical sciences | worldtopscientists.com |
| Diamanto | Aretha | University of Patras | Greece | Health Professions | Anesthesiology and Intensive Care | worldtopscientists.com |
| Diana | Layne | Medical University of South Carolina | United States | Nursing and Health Professions | Nursing Workforce | worldtopscientists.com |
| Dibyendu Sekhar | Bag | Defence Materials and Stores Research and Development Establishment (DMSRDE), DRDO | India | Materials Science | Polymer Materials | worldtopscientists.com |
| Diego | Caratelli | Eindhoven University of Technology | Netherlands | Engineering | Applied Mathematics | worldtopscientists.com |
| Diego | Borges Cordeiro | Pontifícia Universidade Católica de São Paulo (PUC-SP) | Brazil | Social Sciences | Sociologia | worldtopscientists.com |
| Dillip | Mishra | Clemson University | United States | Engineering | Electrical Engineering | worldtopscientists.com |
| Dimitrios-Aristotelis | Koumpakis | Aristotle University of Thessaloniki | Greece | Energy | Waste to Energy | worldtopscientists.com |
| Dimuthu Punsara | Colambage | University of Moratuwa | Sri Lanka | Energy | Energy Economics | worldtopscientists.com |
| Dinithi | Peiriis | University of Sri Jayewardenepura | Sri Lanka | Agricultural and Biological Sciences | Physiology, diseases, infertility | worldtopscientists.com |
| Djamila | Rekioua | University of Bejaia | Algeria | Engineering | Energies renouvelables | worldtopscientists.com |
| Djanna | Koubodana Houteta | Climate System Analysis Group, University of Cape Town | South Africa | Environmental Science | Climate science | worldtopscientists.com |
| Dmitry | Efanov | Peter the Great St. Petersburg Polytechnic University | Russia | Computer Science | Built-In Self Test | worldtopscientists.com |
| Dnyaneshwar | Gholap | Smt. C. H. M. College, Ulhasnagar Mumbai | India | Chemistry | Chemistry | worldtopscientists.com |
| DONGFENG | QI | SHANDONG UNIVERSITY OF TECHNOLOGY | China | Engineering | laser processing | worldtopscientists.com |
| Dr MD ATAUR | RAHMAN | GameAbove College of Engineering & Technology Eastern Michigan University, Michigan, USA 48197 Phone: +1(734) 487 0354 | United States | Engineering | Mechanical Enginnering | worldtopscientists.com |