Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,864 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :1
Mohammad Azam Ansari
Microbiology
MDR- bacteria
Biofilm
Natural compounds
Nanomedicine
Metrics
H-Index
i10 Index
Citation
52
128
7,992
* Rankings
Ranking Based On Selection :3
Mohd Sajjad Ahmad Khan
Applied Microbiology and Biotechnology
Natural Products
Drug Discovery
Metrics
H-Index
i10 Index
Citation
30
43
3,682
* Rankings
Ranking Based On Selection :4
Mahmoud M Berekaa
Environmental Microbiology and Biotechnology
Thermophilic Enzymes
Biopolymers
Statistical Optimization
Metrics
H-Index
i10 Index
Citation
22
35
1,978
* Rankings
Ranking Based On Selection :5
Nasreldin Elhadi
Medical Microbiology
Molecular Bacteriology
One Health
Vibrio
Cholera
Metrics
H-Index
i10 Index
Citation
19
27
1,190
Rankings
Ranking Based On Selection: 1
Mohammad Azam Ansari
Metrics
H-Index
i10 Index
Citation Counts
52
128
7,992
Microbiology
MDR- bacteria
Biofilm
Natural compounds
Nanomedicine
Rankings
Ranking Based On Selection: 2
Suriya Rehman
Metrics
H-Index
i10 Index
Citation Counts
32
66
2,908
Rankings
Ranking Based On Selection: 3
Mohd Sajjad Ahmad Khan
Metrics
H-Index
i10 Index
Citation Counts
30
43
3,682
Applied Microbiology and Biotechnology
Natural Products
Drug Discovery
Rankings
Ranking Based On Selection: 4
Mahmoud M Berekaa
Metrics
H-Index
i10 Index
Citation Counts
22
35
1,978
Environmental Microbiology and Biotechnology
Thermophilic Enzymes
Biopolymers
Statistical Optimization
Rankings
Ranking Based On Selection: 5
Nasreldin Elhadi
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,190
Medical Microbiology
Molecular Bacteriology
One Health
Vibrio
Cholera
Rankings
Ranking Based On Selection: 6
Khaled R Alkharsah
Metrics
H-Index
i10 Index
Citation Counts
17
28
1,283
Rankings
Ranking Based On Selection: 7
Elfadil Abass
Metrics
H-Index
i10 Index
Citation Counts
14
17
751