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
David Dubois
Youth mentoring
self-esteem
prevention
positive youth development
program evaluation
Metrics
H-Index
i10 Index
Citation
69
139
26,984
* Rankings
Ranking Based On Selection: 3
Scott Tomar
Oral epidemiology
dental public health
tobacco epidemiology
Metrics
H-Index
i10 Index
Citation
52
122
10,339
Hakan Demirtas
Missing data
Multiple imputation
Stochastic simulation
Random number generation
Metrics
H-Index
i10 Index
Citation
34
73
5,617
* Rankings
Ranking Based On Selection: 10
Linda Forst
occupational health
health disparities
workers' compensation
low wage workers
public health
Metrics
H-Index
i10 Index
Citation
26
42
2,264

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
Jyotsna S Jagai
Cumulative Environmental Exposures
Environmental Epidemiology
Water Quality
Metrics
H-Index
i10 Index
Citation
24
32
2,219
* Rankings
Ranking Based On Selection: 15
Molly Scannell Bryan
Epidemiology
Genetic Epidemiology
Cancer Epidemiology
Cancer Disparities
Chronic Disease Genetic and Molecular Epidemiology
Metrics
H-Index
i10 Index
Citation
16
18
1,148
* Rankings
Ranking Based On Selection: 16
Kee Chan
Public Health
Genomics
Cost-effectiveness analysis
medical decision making
Metrics
H-Index
i10 Index
Citation
15
22
1,445
Gauri Shevatekar
Public health
Health disparities
Healthcare disparities
Health equity and social justice
Metrics
H-Index
i10 Index
Citation
2
2
31
Rankings
Ranking Based On Selection: 1
David Dubois
Metrics
H-Index
i10 Index
Citation Counts
69
139
26,984
Youth mentoring
self-esteem
prevention
positive youth development
program evaluation
Rankings
Ranking Based On Selection: 2
An Li
Metrics
H-Index
i10 Index
Citation Counts
55
108
7,611
Rankings
Ranking Based On Selection: 3
Scott Tomar
Metrics
H-Index
i10 Index
Citation Counts
52
122
10,339
Oral epidemiology
dental public health
tobacco epidemiology
Rankings
Ranking Based On Selection: 4
Garth H Rauscher
Metrics
H-Index
i10 Index
Citation Counts
40
77
5,433
Rankings
Ranking Based On Selection: 5
Hakan Demirtas
Metrics
H-Index
i10 Index
Citation Counts
34
73
5,617
Missing data
Multiple imputation
Stochastic simulation
Random number generation
Rankings
Ranking Based On Selection: 6
Yamile Molina
Metrics
H-Index
i10 Index
Citation Counts
31
88
5,393
Rankings
Ranking Based On Selection: 7
Lee S Friedman
Metrics
H-Index
i10 Index
Citation Counts
30
62
3,029
Rankings
Ranking Based On Selection: 8
Mary Ellen Mackesy Amiti
Metrics
H-Index
i10 Index
Citation Counts
30
51
2,488
Rankings
Ranking Based On Selection: 9
Samuel Dorevitch
Metrics
H-Index
i10 Index
Citation Counts
27
44
2,153
Rankings
Ranking Based On Selection: 10
Linda Forst
Metrics
H-Index
i10 Index
Citation Counts
26
42
2,264
occupational health
health disparities
workers' compensation
low wage workers
public health

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
Jyotsna S Jagai
Metrics
H-Index
i10 Index
Citation Counts
24
32
2,219
Cumulative Environmental Exposures
Environmental Epidemiology
Water Quality
Rankings
Ranking Based On Selection: 12
Vincent L Freeman
Metrics
H-Index
i10 Index
Citation Counts
24
31
1,855
Rankings
Ranking Based On Selection: 14
Marcus Dillender
Metrics
H-Index
i10 Index
Citation Counts
16
21
697
Rankings
Ranking Based On Selection: 15
Molly Scannell Bryan
Metrics
H-Index
i10 Index
Citation Counts
16
18
1,148
Epidemiology
Genetic Epidemiology
Cancer Epidemiology
Cancer Disparities
Chronic Disease Genetic and Molecular Epidemiology
Rankings
Ranking Based On Selection: 16
Kee Chan
Metrics
H-Index
i10 Index
Citation Counts
15
22
1,445
Public Health
Genomics
Cost-effectiveness analysis
medical decision making
Rankings
Ranking Based On Selection: 17
Katrine Wallace Ms
Metrics
H-Index
i10 Index
Citation Counts
15
18
2,179
Rankings
Ranking Based On Selection: 18
Joseph P Zanoni Milr
Metrics
H-Index
i10 Index
Citation Counts
12
15
645
Critical pedagogy
Dialogue
Adult Education
Peer Education
Praxis
Rankings
Ranking Based On Selection: 19
Leslie Wise
Metrics
H-Index
i10 Index
Citation Counts
9
9
827
Rankings
Ranking Based On Selection: 20
Motria Poshyvanyk Caudill
Metrics
H-Index
i10 Index
Citation Counts
8
8
1,059
environmental health
exposure assessment
risk assessment
global health
Rankings
Ranking Based On Selection: 23
Yu Chen Jimmy Lin
Metrics
H-Index
i10 Index
Citation Counts
4
3
69
Rankings
Ranking Based On Selection: 24
Khatija W. Naing
Metrics
H-Index
i10 Index
Citation Counts
3
2
247
Public health
urban economics
racial inequities
social determinants
Rankings
Ranking Based On Selection: 25
Surabhi Dharmadhikari
Metrics
H-Index
i10 Index
Citation Counts
3
2
88
Rankings
Ranking Based On Selection: 26
Gauri Shevatekar
Metrics
H-Index
i10 Index
Citation Counts
2
2
31
Public health
Health disparities
Healthcare disparities
Health equity and social justice