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: 4
Katherine L Frohlich
Health promotion
social epidemiology
sociology of public health
Metrics
H-Index
i10 Index
Citation
39
81
8,378
* Rankings
Ranking Based On Selection: 8
Gregory Moullec
mental health
chronic disease
physical activity
urban health
Metrics
H-Index
i10 Index
Citation
31
56
4,274
* Rankings
Ranking Based On Selection: 10
Kate Zinszer
Epidemiology
Infectious Diseases
Global Health
Surveillance
Metrics
H-Index
i10 Index
Citation
26
53
2,030

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* Rankings
Ranking Based On Selection: 11
Arnaud Duhoux
Épidémiologie
organisation des services de santé de première ligne
santé publique
itinérance
santé mentale
Metrics
H-Index
i10 Index
Citation
24
43
1,843
* Rankings
Ranking Based On Selection: 12
Lara Gautier
implementation science
health policy
public policy
public health
migrant health
Metrics
H-Index
i10 Index
Citation
20
34
1,430
Karine Perreault
Public health
Health promotion
Population health intervention research (PHIR)
Indigenous health
Housing
Metrics
H-Index
i10 Index
Citation
10
10
423
Hamzah Bakouni
Medicine
public and mental health
chronic diseases
vascular surgery
epidemiology
Metrics
H-Index
i10 Index
Citation
5
2
79
Sarah Cooper
Public Health
Global Health
Evaluation Research
Health Equity
Maternal Health
Metrics
H-Index
i10 Index
Citation
4
2
56
Rankings
Ranking Based On Selection: 1
Jennifer O Loughlin
Metrics
H-Index
i10 Index
Citation Counts
83
263
23,501
Rankings
Ranking Based On Selection: 2
Jack Siemiatycki
Metrics
H-Index
i10 Index
Citation Counts
78
229
20,581
Rankings
Ranking Based On Selection: 3
Devendra Amre
Metrics
H-Index
i10 Index
Citation Counts
45
86
8,482
Rankings
Ranking Based On Selection: 4
Katherine L Frohlich
Metrics
H-Index
i10 Index
Citation Counts
39
81
8,378
Health promotion
social epidemiology
sociology of public health
Rankings
Ranking Based On Selection: 5
P Michel
Metrics
H-Index
i10 Index
Citation Counts
37
76
4,897
Rankings
Ranking Based On Selection: 7
Trottier Helen
Metrics
H-Index
i10 Index
Citation Counts
36
56
6,808
Rankings
Ranking Based On Selection: 8
Gregory Moullec
Metrics
H-Index
i10 Index
Citation Counts
31
56
4,274
mental health
chronic disease
physical activity
urban health
Rankings
Ranking Based On Selection: 9
Andre Ravel
Metrics
H-Index
i10 Index
Citation Counts
27
51
2,398
Rankings
Ranking Based On Selection: 10
Kate Zinszer
Metrics
H-Index
i10 Index
Citation Counts
26
53
2,030
Epidemiology
Infectious Diseases
Global Health
Surveillance

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
Arnaud Duhoux
Metrics
H-Index
i10 Index
Citation Counts
24
43
1,843
Épidémiologie
organisation des services de santé de première ligne
santé publique
itinérance
santé mentale
Rankings
Ranking Based On Selection: 12
Lara Gautier
Metrics
H-Index
i10 Index
Citation Counts
20
34
1,430
implementation science
health policy
public policy
public health
migrant health
Rankings
Ranking Based On Selection: 13
Federico Roncarolo
Metrics
H-Index
i10 Index
Citation Counts
17
21
1,068
Rankings
Ranking Based On Selection: 14
Karine Perreault
Metrics
H-Index
i10 Index
Citation Counts
10
10
423
Public health
Health promotion
Population health intervention research (PHIR)
Indigenous health
Housing
Rankings
Ranking Based On Selection: 15
Joseph Niyibizi
Metrics
H-Index
i10 Index
Citation Counts
9
8
387
Rankings
Ranking Based On Selection: 16
David Zombre
Metrics
H-Index
i10 Index
Citation Counts
7
5
244
Rankings
Ranking Based On Selection: 17
Shahab Mohammadebrahimi
Metrics
H-Index
i10 Index
Citation Counts
7
3
133
Spatial Epidemiology
Data Science
Medical Informatics
Public Health
Rankings
Ranking Based On Selection: 18
Fiston Ikwa Ndol Mbutiwi
Metrics
H-Index
i10 Index
Citation Counts
7
5
144
Rankings
Ranking Based On Selection: 19
Elsury J. Pérez
Metrics
H-Index
i10 Index
Citation Counts
6
5
204
Rankings
Ranking Based On Selection: 20
Tevfik Bayram
Metrics
H-Index
i10 Index
Citation Counts
6
3
122
Public Health
Health Inequities
Health Promotion
Empowerment
Rankings
Ranking Based On Selection: 21
Jasmina Wallace
Metrics
H-Index
i10 Index
Citation Counts
6
3
103
Rankings
Ranking Based On Selection: 22
Hamzah Bakouni
Metrics
H-Index
i10 Index
Citation Counts
5
2
79
Medicine
public and mental health
chronic diseases
vascular surgery
epidemiology
Rankings
Ranking Based On Selection: 23
Zoé Poirier Stephens
Metrics
H-Index
i10 Index
Citation Counts
4
3
103
Rankings
Ranking Based On Selection: 24
Sarah Cooper
Metrics
H-Index
i10 Index
Citation Counts
4
2
56
Public Health
Global Health
Evaluation Research
Health Equity
Maternal Health