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" (870,053 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
Hikmat Al-Ahmadie
Urological Pathology
Bladder Cancer
Pathology
Molecular Pathology
Urologic Oncology
Metrics
H-Index
i10 Index
Citation
91
229
62,194
* Rankings
Ranking Based On Selection: 3
Olca Basturk
pathology
pancreas
gallbladder
pancreatobiliary
neuroendocrine
Metrics
H-Index
i10 Index
Citation
62
151
17,759
* Rankings
Ranking Based On Selection: 5
Efsevia Vakiani
Gastrointestinal Pathology
Genetics of colorectal cancer
Metrics
H-Index
i10 Index
Citation
55
118
24,634
S Joseph Sirintrapun
Informatics
digital pathology
AI
and genitourinary pathology
Metrics
H-Index
i10 Index
Citation
33
63
3,787
Jason C Chang
Surgical pathology
Thoracic pathology
Molecular genetic pathology
Metrics
H-Index
i10 Index
Citation
28
42
3,801

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* Rankings
Ranking Based On Selection: 12
Behtash Ghazi Nezami
Genitourinary Pathology
Molecular Genetic Pathology
Digital Pathology
Metrics
H-Index
i10 Index
Citation
24
40
1,999
* Rankings
Ranking Based On Selection: 13
Michael Herman Chui
Gynecologic Pathology
Ovarian Cancer
Molecular Genetics
Gynecologic Oncology
Metrics
H-Index
i10 Index
Citation
22
29
1,496
* Rankings
Ranking Based On Selection: 14
Dianna L Ng
global cancer
cytopathology
infectious disease pathology
Metrics
H-Index
i10 Index
Citation
17
22
2,501
* Rankings
Ranking Based On Selection: 15
Jie-Fu Chen (Jeff)
Cancer Research
Genitourinary Pathology
Molecular Diagnostics
Metrics
H-Index
i10 Index
Citation
17
23
1,557
Rankings
Ranking Based On Selection: 1
David Klimstra
Metrics
H-Index
i10 Index
Citation Counts
162
544
107,287
Rankings
Ranking Based On Selection: 2
Hikmat Al-Ahmadie
Metrics
H-Index
i10 Index
Citation Counts
91
229
62,194
Urological Pathology
Bladder Cancer
Pathology
Molecular Pathology
Urologic Oncology
Rankings
Ranking Based On Selection: 3
Olca Basturk
Metrics
H-Index
i10 Index
Citation Counts
62
151
17,759
pathology
pancreas
gallbladder
pancreatobiliary
neuroendocrine
Rankings
Ranking Based On Selection: 4
Ying-Bei Chen
Metrics
H-Index
i10 Index
Citation Counts
55
117
13,848
Rankings
Ranking Based On Selection: 5
Efsevia Vakiani
Metrics
H-Index
i10 Index
Citation Counts
55
118
24,634
Gastrointestinal Pathology
Genetics of colorectal cancer
Rankings
Ranking Based On Selection: 6
S Joseph Sirintrapun
Metrics
H-Index
i10 Index
Citation Counts
33
63
3,787
Informatics
digital pathology
AI
and genitourinary pathology
Rankings
Ranking Based On Selection: 7
Wenbin Xiao
Metrics
H-Index
i10 Index
Citation Counts
33
59
8,828
Rankings
Ranking Based On Selection: 8
Melissa Murray
Metrics
H-Index
i10 Index
Citation Counts
33
48
3,314
Rankings
Ranking Based On Selection: 9
Jason C Chang
Metrics
H-Index
i10 Index
Citation Counts
28
42
3,801
Surgical pathology
Thoracic pathology
Molecular genetic pathology
Rankings
Ranking Based On Selection: 10
Timothy D'Alfonso
Metrics
H-Index
i10 Index
Citation Counts
26
47
3,078

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Rankings
Ranking Based On Selection: 11
Amy Duffield
Metrics
H-Index
i10 Index
Citation Counts
26
46
2,803
Rankings
Ranking Based On Selection: 12
Behtash Ghazi Nezami
Metrics
H-Index
i10 Index
Citation Counts
24
40
1,999
Genitourinary Pathology
Molecular Genetic Pathology
Digital Pathology
Rankings
Ranking Based On Selection: 13
Michael Herman Chui
Metrics
H-Index
i10 Index
Citation Counts
22
29
1,496
Gynecologic Pathology
Ovarian Cancer
Molecular Genetics
Gynecologic Oncology
Rankings
Ranking Based On Selection: 14
Dianna L Ng
Metrics
H-Index
i10 Index
Citation Counts
17
22
2,501
global cancer
cytopathology
infectious disease pathology
Rankings
Ranking Based On Selection: 15
Jie-Fu Chen (Jeff)
Metrics
H-Index
i10 Index
Citation Counts
17
23
1,557
Cancer Research
Genitourinary Pathology
Molecular Diagnostics
Rankings
Ranking Based On Selection: 16
Shigeaki Umeda
Metrics
H-Index
i10 Index
Citation Counts
17
25
857
Rankings
Ranking Based On Selection: 17
Leonardo Boiocchi
Metrics
H-Index
i10 Index
Citation Counts
17
21
956
Rankings
Ranking Based On Selection: 18
Kimon Argyropoulos
Metrics
H-Index
i10 Index
Citation Counts
16
21
2,221
Rankings
Ranking Based On Selection: 20
Fatemeh Derakhshan
Metrics
H-Index
i10 Index
Citation Counts
14
16
1,066
Rankings
Ranking Based On Selection: 21
Menglei Zhu
Metrics
H-Index
i10 Index
Citation Counts
13
14
1,835
Rankings
Ranking Based On Selection: 22
Roshan Raza
Metrics
H-Index
i10 Index
Citation Counts
13
13
861
Rankings
Ranking Based On Selection: 23
Binny Khandakar
Metrics
H-Index
i10 Index
Citation Counts
10
10
304
Rankings
Ranking Based On Selection: 24
Jyoti Kumar Md, Ms
Metrics
H-Index
i10 Index
Citation Counts
8
6
246
Pathology
Hematopathology
Molecular Genetic Pathology
Rankings
Ranking Based On Selection: 25
Iskender Sinan Genco
Metrics
H-Index
i10 Index
Citation Counts
5
3
79
Rankings
Ranking Based On Selection: 26
Mohamed Alhamar
Metrics
H-Index
i10 Index
Citation Counts
5
1
77
Rankings
Ranking Based On Selection: 28
Mega Lahori
Metrics
H-Index
i10 Index
Citation Counts
4
2
82
Rankings
Ranking Based On Selection: 29
Anas Alabkaa
Metrics
H-Index
i10 Index
Citation Counts
3
3
159
Pathology
Dermatopathology
Head and Neck Pathology
Rankings
Ranking Based On Selection: 30
Gamze Gokturk Ozcan
Metrics
H-Index
i10 Index
Citation Counts
3
2
100
Rankings
Ranking Based On Selection: 31
Beatriz Caraballo
Metrics
H-Index
i10 Index
Citation Counts
3
2
75