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" (873,864 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
Yvonne L Michael
Social epidemiology
Epidemiology of aging
Neighborhoods and Health
Health disparities
Metrics
H-Index
i10 Index
Citation
60
116
14,945
* Rankings
Ranking Based On Selection :2
Mariana Lazo
epidemiology
health disparities
migrant health
chronic diseases
NAFLD
Metrics
H-Index
i10 Index
Citation
53
122
16,403
* Rankings
Ranking Based On Selection :3
Alexander N Ortega
Public Health
Health Disparities
Latino Health
Health Services Research
Metrics
H-Index
i10 Index
Citation
53
111
11,904
* Rankings
Ranking Based On Selection :4
Brian K Lee
epidemiology
autism
neuroepidemiology
pharmacoepidemiology
causal inference
Metrics
H-Index
i10 Index
Citation
46
79
10,827
Ayden Scheim
health equity
social epidemiology
LGBT health
harm reduction
HIV
Metrics
H-Index
i10 Index
Citation
39
81
7,921
Mariana Chilton
food security
trauma
human rights
maternal and child health
abolition
Metrics
H-Index
i10 Index
Citation
39
61
8,299
Usama Bilal
social epidemiology
neighborhoods
GIS
urban health
health disparities
Metrics
H-Index
i10 Index
Citation
37
103
4,517
* Rankings
Ranking Based On Selection :10
Jonathan Purtle
Population mental health
988 Lifeline
policy implementation
implementation science
Metrics
H-Index
i10 Index
Citation
34
93
3,888
* Rankings
Ranking Based On Selection :11
Kristen Lyall
epidemiology
autism spectrum disorder
neurodevelopment
quantitative traits
environmental risk
Metrics
H-Index
i10 Index
Citation
34
69
5,790
* Rankings
Ranking Based On Selection :14
Jana A Hirsch
Social Epidemiology
Environmental Epidemiology
Geography
Built Environment
Public Health
Metrics
H-Index
i10 Index
Citation
28
45
2,776
* Rankings
Ranking Based On Selection :15
Brent Langellier
Latino Health
Social Determinants of Health
Health Disparities
Metrics
H-Index
i10 Index
Citation
26
55
2,241
Ione Avila Palencia
Epidemiology
Urban Health
Transport
Air Pollution
Physical Activity
Metrics
H-Index
i10 Index
Citation
24
30
2,185
Felice Le Scherban
Social Epidemiology
Immigrant Health
Life Course Epidemiology
Metrics
H-Index
i10 Index
Citation
22
33
1,590
Michael Yudell
public health
ethics
history of public health and medicine
Metrics
H-Index
i10 Index
Citation
21
26
2,089
Jessie Kemmick Pintor
Immigration and health policy
health disparities
mixed methods
maternal and child health
CBPR
Metrics
H-Index
i10 Index
Citation
15
23
718
Rankings
Ranking Based On Selection: 1
Yvonne L Michael
Metrics
H-Index
i10 Index
Citation Counts
60
116
14,945
Social epidemiology
Epidemiology of aging
Neighborhoods and Health
Health disparities
Rankings
Ranking Based On Selection: 2
Mariana Lazo
Metrics
H-Index
i10 Index
Citation Counts
53
122
16,403
epidemiology
health disparities
migrant health
chronic diseases
NAFLD
Rankings
Ranking Based On Selection: 3
Alexander N Ortega
Metrics
H-Index
i10 Index
Citation Counts
53
111
11,904
Public Health
Health Disparities
Latino Health
Health Services Research
Rankings
Ranking Based On Selection: 4
Brian K Lee
Metrics
H-Index
i10 Index
Citation Counts
46
79
10,827
epidemiology
autism
neuroepidemiology
pharmacoepidemiology
causal inference
Rankings
Ranking Based On Selection: 5
Jane Clougherty
Metrics
H-Index
i10 Index
Citation Counts
44
85
6,343
Rankings
Ranking Based On Selection: 6
Ayden Scheim
Metrics
H-Index
i10 Index
Citation Counts
39
81
7,921
health equity
social epidemiology
LGBT health
harm reduction
HIV
Rankings
Ranking Based On Selection: 7
Mariana Chilton
Metrics
H-Index
i10 Index
Citation Counts
39
61
8,299
food security
trauma
human rights
maternal and child health
abolition
Rankings
Ranking Based On Selection: 8
Longjian Liu
Metrics
H-Index
i10 Index
Citation Counts
39
83
4,534
Rankings
Ranking Based On Selection: 9
Usama Bilal
Metrics
H-Index
i10 Index
Citation Counts
37
103
4,517
social epidemiology
neighborhoods
GIS
urban health
health disparities
Rankings
Ranking Based On Selection: 10
Jonathan Purtle
Metrics
H-Index
i10 Index
Citation Counts
34
93
3,888
Population mental health
988 Lifeline
policy implementation
implementation science
Rankings
Ranking Based On Selection: 11
Kristen Lyall
Metrics
H-Index
i10 Index
Citation Counts
34
69
5,790
epidemiology
autism spectrum disorder
neurodevelopment
quantitative traits
environmental risk
Rankings
Ranking Based On Selection: 12
Amélia Augusta De Lima Friche
Metrics
H-Index
i10 Index
Citation Counts
29
70
3,433
Rankings
Ranking Based On Selection: 13
Jose A Tapia Granados
Metrics
H-Index
i10 Index
Citation Counts
29
48
3,895
Rankings
Ranking Based On Selection: 14
Jana A Hirsch
Metrics
H-Index
i10 Index
Citation Counts
28
45
2,776
Social Epidemiology
Environmental Epidemiology
Geography
Built Environment
Public Health
Rankings
Ranking Based On Selection: 15
Brent Langellier
Metrics
H-Index
i10 Index
Citation Counts
26
55
2,241
Latino Health
Social Determinants of Health
Health Disparities
Rankings
Ranking Based On Selection: 16
Ione Avila Palencia
Metrics
H-Index
i10 Index
Citation Counts
24
30
2,185
Epidemiology
Urban Health
Transport
Air Pollution
Physical Activity
Rankings
Ranking Based On Selection: 17
Felice Le Scherban
Metrics
H-Index
i10 Index
Citation Counts
22
33
1,590
Social Epidemiology
Immigrant Health
Life Course Epidemiology
Rankings
Ranking Based On Selection: 18
Michael Yudell
Metrics
H-Index
i10 Index
Citation Counts
21
26
2,089
Rankings
Ranking Based On Selection: 21
Pricila Mullachery
Metrics
H-Index
i10 Index
Citation Counts
15
22
930
health disparities
causal inference
policies
population health
Rankings
Ranking Based On Selection: 22
Jessie Kemmick Pintor
Metrics
H-Index
i10 Index
Citation Counts
15
23
718
Immigration and health policy
health disparities
mixed methods
maternal and child health
CBPR
Rankings
Ranking Based On Selection: 23
Rachit Sharma
Metrics
H-Index
i10 Index
Citation Counts
8
8
524
Public Health
Environmental Epidemiology
Health Disparities
Rankings
Ranking Based On Selection: 24
Olakunle Jayeola
Metrics
H-Index
i10 Index
Citation Counts
1
1
54