| Antonello | Bonfante | National Research Council of Italty | Italy | Agricultural and Biological Sciences | Precision agriculture | worldtopscientists.com |
| Antonella | Bertolotto | IdIHCS/CONICET-UNLP | Argentina | Arts and Humanities | Historia de la Educación Física | worldtopscientists.com |
| Anthony | Mullin | University of Hertfordshire | United Kingdom | Pharmacology, Toxicology and Pharmaceutical Science | NPS Drug Characterisation and Analytical Detection | worldtopscientists.com |
| Anna | Plichta | Cracow University of Technology | Poland | Computer Science | Engineering | worldtopscientists.com |
| Anna Maria | Stellacci | University of Bari, Department of Soil, Plant and Food Sciences | Italy | Agricultural and Biological Sciences | Computation of soil quality indices; hyperspectral data analysis of soil and vegetation; assessment of spatial variability; innovative experimental designs in agriculture | worldtopscientists.com |
| Anna | Cavallaro | University of Bari | Italy | Psychology | Educatioanl psycology | worldtopscientists.com |
| Anlin | Zhang | Sichuan University | China | Engineering | Rock Mechanics and Rock Engineering | worldtopscientists.com |
| Ankit | Kumar | Graphic Era Hill University, Dehradun | India | Mathematics | Controllability, Fractional Calculus, Functional Differential Equations | worldtopscientists.com |
| Ankica | Šarić | Ruđer Bošković Institute | Croatia | Materials Science | metal oxides | worldtopscientists.com |
| Anjay | Mishra | Madhesh University | Nepal | Business, Management and Accounting | Project Management | worldtopscientists.com |
| Anjay Kumar | Mishra | Kathmandu College of Management, Kathmandu, Nepal | Nepal | Business, Management and Accounting | Project Operation Management | worldtopscientists.com |
| Anish | Maskey | New York Medical College | United States | Immunology and Microbiology | Allergy and Infectious Disease | worldtopscientists.com |
| Anil | Sharma | Chandigarh University | India | Mathematics | Pure Mathematics | worldtopscientists.com |
| Anil | Mhashal | Prescience Insilico | India | Biochemistry, Genetics and Molecular Biology | Computational Biochemistry, Molecular Modeling and Simulations, Enzymology | worldtopscientists.com |
| anil | Harrison | Midwestern University | United States | Medicine and Dentistry | Hypertension research in cardiovascular medicine | worldtopscientists.com |
| Angelica Rachel | Carpio | DLSU Laguna | Philippines | Pharmacology, Toxicology and Pharmaceutical Science | Computational Biology | worldtopscientists.com |
| Aneta | Guzek | Military Institute of Medicine- National Research Institute | Poland | Medicine and Dentistry | Bloodstream infections, Antibiotic resistance. Fighting multi-drug pathogens | worldtopscientists.com |
| Andrey | Milchev | Institute of Physical Chemistry, Bulgarian Academy of Sciences | Bulgaria | Chemical Engineering | softmatter modelling | worldtopscientists.com |
| Andrews | Tang | KNUST | Ghana | Computer Science | AI for Food Quality and Safety | worldtopscientists.com |
| Andressa | Silva | Universidade Federal de Minas Gerais | Brazil | Health Professions | Esporte Paralímpico | worldtopscientists.com |