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" (870,057 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: 3
Brigid M. Lynch
physical activity
cancer epidemiology
molecular epidemiology
causal inference
Metrics
H-Index
i10 Index
Citation
55
124
10,173
* Rankings
Ranking Based On Selection: 6
D James B St John
Colorectal cancer screening
gastroenterology
familial cancer
Metrics
H-Index
i10 Index
Citation
40
63
5,750
* Rankings
Ranking Based On Selection: 9
Emily Brennan
tobacco control
alcohol harm prevention
cancer prevention
health communication
behavioural science
Metrics
H-Index
i10 Index
Citation
27
48
2,786

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* Rankings
Ranking Based On Selection: 18
Sarah White|Sarah White
tobacco control
women's health
Metrics
H-Index
i10 Index
Citation
14
16
3,376
* Rankings
Ranking Based On Selection: 19
Elizabeth M Greenhalgh
Smoking
tobacco
disadvantage
Metrics
H-Index
i10 Index
Citation
12
13
1,074
* Rankings
Ranking Based On Selection: 20
Amanda Piper
cancer
financial toxicity
supportive care
Metrics
H-Index
i10 Index
Citation
11
12
540
* Rankings
Ranking Based On Selection: 22
SH Milon Pang
Transcription factors
Stem Cell Biology
Transcription Regulation
Molecular Immunology
Metrics
H-Index
i10 Index
Citation
11
11
1,229
Rankings
Ranking Based On Selection: 1
Roger Milne
Metrics
H-Index
i10 Index
Citation Counts
107
452
53,102
Rankings
Ranking Based On Selection: 2
Allison Hodge
Metrics
H-Index
i10 Index
Citation Counts
77
215
23,375
Rankings
Ranking Based On Selection: 3
Brigid M. Lynch
Metrics
H-Index
i10 Index
Citation Counts
55
124
10,173
physical activity
cancer epidemiology
molecular epidemiology
causal inference
Rankings
Ranking Based On Selection: 4
Sarah Durkin
Metrics
H-Index
i10 Index
Citation Counts
46
97
7,601
Rankings
Ranking Based On Selection: 5
Fiona Bruinsma
Metrics
H-Index
i10 Index
Citation Counts
43
69
9,214
Rankings
Ranking Based On Selection: 6
D James B St John
Metrics
H-Index
i10 Index
Citation Counts
40
63
5,750
Colorectal cancer screening
gastroenterology
familial cancer
Rankings
Ranking Based On Selection: 7
Julie Bassett
Metrics
H-Index
i10 Index
Citation Counts
38
55
6,638
Rankings
Ranking Based On Selection: 8
Craig Sinclair
Metrics
H-Index
i10 Index
Citation Counts
28
37
2,670
Rankings
Ranking Based On Selection: 9
Emily Brennan
Metrics
H-Index
i10 Index
Citation Counts
27
48
2,786
tobacco control
alcohol harm prevention
cancer prevention
health communication
behavioural science
Rankings
Ranking Based On Selection: 10
Luc Te Marvelde
Metrics
H-Index
i10 Index
Citation Counts
24
36
1,809

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Wendy Winnall
Metrics
H-Index
i10 Index
Citation Counts
23
29
2,009
Rankings
Ranking Based On Selection: 12
Megan Bayly
Metrics
H-Index
i10 Index
Citation Counts
22
35
1,510
Rankings
Ranking Based On Selection: 13
Harindra Jayasekara
Metrics
H-Index
i10 Index
Citation Counts
20
34
1,449
Rankings
Ranking Based On Selection: 14
Ashleigh Haynes
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,286
Rankings
Ranking Based On Selection: 15
Catherine Segan
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,504
Rankings
Ranking Based On Selection: 16
Win Wah
Metrics
H-Index
i10 Index
Citation Counts
19
29
859
Rankings
Ranking Based On Selection: 17
Rebecca J Bergin|Rebecca Bergin
Metrics
H-Index
i10 Index
Citation Counts
14
18
591
Rankings
Ranking Based On Selection: 18
Sarah White|Sarah White
Metrics
H-Index
i10 Index
Citation Counts
14
16
3,376
tobacco control
women's health
Rankings
Ranking Based On Selection: 19
Elizabeth M Greenhalgh
Metrics
H-Index
i10 Index
Citation Counts
12
13
1,074
Smoking
tobacco
disadvantage
Rankings
Ranking Based On Selection: 20
Amanda Piper
Metrics
H-Index
i10 Index
Citation Counts
11
12
540
cancer
financial toxicity
supportive care
Rankings
Ranking Based On Selection: 21
Sherly Li
Metrics
H-Index
i10 Index
Citation Counts
11
12
457
Rankings
Ranking Based On Selection: 22
SH Milon Pang
Metrics
H-Index
i10 Index
Citation Counts
11
11
1,229
Transcription factors
Stem Cell Biology
Transcription Regulation
Molecular Immunology
Rankings
Ranking Based On Selection: 23
Nina Afshar
Metrics
H-Index
i10 Index
Citation Counts
7
5
357