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: 1
Ifor Williams
Mucosal Immunology
M Cells
IgA
Microbiota
Cytokines
Metrics
H-Index
i10 Index
Citation
74
116
21,112
Mohamed Amgad Tageldin|Mohamed Amgad
Pathology
Computational Pathology
Machine Learning
Bioinformatics
Medical Education
Metrics
H-Index
i10 Index
Citation
26
33
3,342
Christina Gavegnano
drug-discovery anti-inflammatory HIV COVID-19
Metrics
H-Index
i10 Index
Citation
19
26
1,585
Bindu Chandrasekharan
Neurogastroenterology
probiotics
inflammatory bowel disease
motility
colon cancer
Metrics
H-Index
i10 Index
Citation
17
19
2,031

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Vaidehi Avadhani
Cytopathology
Gastrointestinal pathology
Pancreas
Bile duct pathology
Molecular pathology
Metrics
H-Index
i10 Index
Citation
9
8
389
Patrick Mullane
Cytopathology
Molecular Biology
Genetics
Urologic Pathology
Urologic oncology
Metrics
H-Index
i10 Index
Citation
8
7
1,243
Rankings
Ranking Based On Selection: 1
Ifor Williams
Metrics
H-Index
i10 Index
Citation Counts
74
116
21,112
Mucosal Immunology
M Cells
IgA
Microbiota
Cytokines
Rankings
Ranking Based On Selection: 2
Carlos S Moreno
Metrics
H-Index
i10 Index
Citation Counts
55
98
10,385
Rankings
Ranking Based On Selection: 3
Michelle D Reid
Metrics
H-Index
i10 Index
Citation Counts
44
120
6,460
Rankings
Ranking Based On Selection: 4
Periasamy Selvaraj
Metrics
H-Index
i10 Index
Citation Counts
40
82
6,005
Rankings
Ranking Based On Selection: 5
Shiyong Li
Metrics
H-Index
i10 Index
Citation Counts
37
97
5,549
Rankings
Ranking Based On Selection: 6
Mohamed Amgad Tageldin|Mohamed Amgad
Metrics
H-Index
i10 Index
Citation Counts
26
33
3,342
Pathology
Computational Pathology
Machine Learning
Bioinformatics
Medical Education
Rankings
Ranking Based On Selection: 7
Christina Gavegnano
Metrics
H-Index
i10 Index
Citation Counts
19
26
1,585
drug-discovery anti-inflammatory HIV COVID-19
Rankings
Ranking Based On Selection: 8
Bindu Chandrasekharan
Metrics
H-Index
i10 Index
Citation Counts
17
19
2,031
Neurogastroenterology
probiotics
inflammatory bowel disease
motility
colon cancer
Rankings
Ranking Based On Selection: 9
Pia Mendoza
Metrics
H-Index
i10 Index
Citation Counts
15
25
904
Rankings
Ranking Based On Selection: 10
Rachel Geller
Metrics
H-Index
i10 Index
Citation Counts
10
10
495

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Rankings
Ranking Based On Selection: 11
Vaidehi Avadhani
Metrics
H-Index
i10 Index
Citation Counts
9
8
389
Cytopathology
Gastrointestinal pathology
Pancreas
Bile duct pathology
Molecular pathology
Rankings
Ranking Based On Selection: 12
Patrick Mullane
Metrics
H-Index
i10 Index
Citation Counts
8
7
1,243
Cytopathology
Molecular Biology
Genetics
Urologic Pathology
Urologic oncology
Rankings
Ranking Based On Selection: 13
Saja Asakrah
Metrics
H-Index
i10 Index
Citation Counts
7
6
517
Rankings
Ranking Based On Selection: 14
Ali Mokhtari
Metrics
H-Index
i10 Index
Citation Counts
4
2
54