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" (873,690 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: 2
Ian Reid
Bioinformatics
Transcriptomics
Genomics
NGS
Fungi
Metrics
H-Index
i10 Index
Citation
39
53
5,122
Amal Kassab
Aging
cancer research
NIRS
Wind Turbines
sustainable systems
Metrics
H-Index
i10 Index
Citation
12
12
644
Tarek Sabri
Bio-Nano Materials
Cancer Epigenetics
Surface Chemistry
Imaging
Sensing
Metrics
H-Index
i10 Index
Citation
4
4
151
Noraldin Al-Deri
Stem Cell Research
Disease Modelling
Genetics
Molecular Biology
Cell Biology
Metrics
H-Index
i10 Index
Citation
3
3
113

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Vrinda Nair|V Nair
Drug discovery
Machine learning
Molecular biology
Cancer biology
Metrics
H-Index
i10 Index
Citation
2
1
27
Wade Paul
Indigenous History
Decolonization
Indigenous Health and Wellbing
Canadian Residential School
Epigenetics
Metrics
H-Index
i10 Index
Citation
1
0
2
Rankings
Ranking Based On Selection: 1
Mike Hallett
Metrics
H-Index
i10 Index
Citation Counts
64
119
16,022
Rankings
Ranking Based On Selection: 2
Ian Reid
Metrics
H-Index
i10 Index
Citation Counts
39
53
5,122
Rankings
Ranking Based On Selection: 3
David Walsh
Metrics
H-Index
i10 Index
Citation Counts
32
52
4,480
Rankings
Ranking Based On Selection: 4
Alisa Piekny
Metrics
H-Index
i10 Index
Citation Counts
23
32
3,415
Rankings
Ranking Based On Selection: 5
Amal Kassab
Metrics
H-Index
i10 Index
Citation Counts
12
12
644
Aging
cancer research
NIRS
Wind Turbines
sustainable systems
Rankings
Ranking Based On Selection: 6
Raha Omran
Metrics
H-Index
i10 Index
Citation Counts
8
8
171
Rankings
Ranking Based On Selection: 7
Hamed Tahmasbi
Metrics
H-Index
i10 Index
Citation Counts
5
5
153
Rankings
Ranking Based On Selection: 8
Yu Zhan
Metrics
H-Index
i10 Index
Citation Counts
5
4
210
Rankings
Ranking Based On Selection: 9
Tarek Sabri
Metrics
H-Index
i10 Index
Citation Counts
4
4
151
Bio-Nano Materials
Cancer Epigenetics
Surface Chemistry
Imaging
Sensing
Rankings
Ranking Based On Selection: 10
Noraldin Al-Deri
Metrics
H-Index
i10 Index
Citation Counts
3
3
113
Stem Cell Research
Disease Modelling
Genetics
Molecular Biology
Cell Biology

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Rankings
Ranking Based On Selection: 11
Hashem Almousa
Metrics
H-Index
i10 Index
Citation Counts
3
3
59
Rankings
Ranking Based On Selection: 12
Farhan Rahman Chowdhury
Metrics
H-Index
i10 Index
Citation Counts
3
2
30
Rankings
Ranking Based On Selection: 13
Vrinda Nair|V Nair
Metrics
H-Index
i10 Index
Citation Counts
2
1
27
Drug discovery
Machine learning
Molecular biology
Cancer biology
Rankings
Ranking Based On Selection: 14
Wade Paul
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Indigenous History
Decolonization
Indigenous Health and Wellbing
Canadian Residential School
Epigenetics