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" (873,688 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
James C Anthony
neuropsychiatric epidemiology
drug dependence epidemiology
methodology
psychopathology
Metrics
H-Index
i10 Index
Citation
116
376
68,970
* Rankings
Ranking Based On Selection: 6
Gustavo De Los Campos
Statistical & Quantitative Genetics
Bayesian Methods
Machine Learning
Statistical Software
Metrics
H-Index
i10 Index
Citation
60
122
17,107
Steven Ondersma
Technology
brief interventions
screening
pregnancy and postpartum periods
Metrics
H-Index
i10 Index
Citation
38
73
5,045
* Rankings
Ranking Based On Selection: 10
C Debra Furr Holden
health equity
drug and alcohol epidemiology
neighborhood studies
policy
Metrics
H-Index
i10 Index
Citation
34
62
3,536

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* Rankings
Ranking Based On Selection: 12
Richard Casey Sadler
built environment and health
health equity
structural racism
urban planning
GIS
Metrics
H-Index
i10 Index
Citation
33
54
4,375
* Rankings
Ranking Based On Selection: 13
Andrew R Bender
cognitive and brain aging
health neuroscience
individual differences
neurodegenerative disease
Metrics
H-Index
i10 Index
Citation
26
31
2,685
* Rankings
Ranking Based On Selection: 14
Amara E Ezeamama
Chronic HIV infection
Nutrition
Stress
Cognitive Impairment
Aging with HIV
Metrics
H-Index
i10 Index
Citation
26
49
2,809
* Rankings
Ranking Based On Selection: 15
Vicki Johnson Lawrence
Health Equity
Equity & Inclusion
Public Health
Trauma-Informed public health
Metrics
H-Index
i10 Index
Citation
25
39
2,107
* Rankings
Ranking Based On Selection: 17
Kimberly R Barber
Epidemiology
biostatistics
evidence-based medicine
cardiology
immunology
Metrics
H-Index
i10 Index
Citation
20
35
2,684
Robey B Champine
Positive Youth Development
Risk Prevention
Program and Policy Evaluation
Metrics
H-Index
i10 Index
Citation
15
19
1,012
Mieka Smart
Alcohol problems
physiological stress response
mental health
global public health workforce
Metrics
H-Index
i10 Index
Citation
10
10
473
Leah Maschino|Leah D. Maschino
Public Health
community engagement
community based participatory research
health equity
Metrics
H-Index
i10 Index
Citation
2
2
29
Rankings
Ranking Based On Selection: 1
Naomi Breslau
Metrics
H-Index
i10 Index
Citation Counts
131
242
73,709
Rankings
Ranking Based On Selection: 2
James C Anthony
Metrics
H-Index
i10 Index
Citation Counts
116
376
68,970
neuropsychiatric epidemiology
drug dependence epidemiology
methodology
psychopathology
Rankings
Ranking Based On Selection: 3
Nigel Paneth
Metrics
H-Index
i10 Index
Citation Counts
98
286
44,318
Rankings
Ranking Based On Selection: 4
Honglei Chen
Metrics
H-Index
i10 Index
Citation Counts
90
170
35,649
Rankings
Ranking Based On Selection: 5
Mathew Reeves
Metrics
H-Index
i10 Index
Citation Counts
89
239
90,420
Rankings
Ranking Based On Selection: 6
Gustavo De Los Campos
Metrics
H-Index
i10 Index
Citation Counts
60
122
17,107
Statistical & Quantitative Genetics
Bayesian Methods
Machine Learning
Statistical Software
Rankings
Ranking Based On Selection: 7
Norman Beauchamp
Metrics
H-Index
i10 Index
Citation Counts
51
94
9,962
Rankings
Ranking Based On Selection: 8
Annette O Connor
Metrics
H-Index
i10 Index
Citation Counts
47
152
7,629
Epidemiology
Food Safety
Infectious Disease
Research Synthesis
Rankings
Ranking Based On Selection: 9
Steven Ondersma
Metrics
H-Index
i10 Index
Citation Counts
38
73
5,045
Technology
brief interventions
screening
pregnancy and postpartum periods
Rankings
Ranking Based On Selection: 10
C Debra Furr Holden
Metrics
H-Index
i10 Index
Citation Counts
34
62
3,536
health equity
drug and alcohol epidemiology
neighborhood studies
policy

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
Bo Norby
Metrics
H-Index
i10 Index
Citation Counts
34
72
3,483
Rankings
Ranking Based On Selection: 12
Richard Casey Sadler
Metrics
H-Index
i10 Index
Citation Counts
33
54
4,375
built environment and health
health equity
structural racism
urban planning
GIS
Rankings
Ranking Based On Selection: 13
Andrew R Bender
Metrics
H-Index
i10 Index
Citation Counts
26
31
2,685
cognitive and brain aging
health neuroscience
individual differences
neurodegenerative disease
Rankings
Ranking Based On Selection: 14
Amara E Ezeamama
Metrics
H-Index
i10 Index
Citation Counts
26
49
2,809
Chronic HIV infection
Nutrition
Stress
Cognitive Impairment
Aging with HIV
Rankings
Ranking Based On Selection: 15
Vicki Johnson Lawrence
Metrics
H-Index
i10 Index
Citation Counts
25
39
2,107
Health Equity
Equity & Inclusion
Public Health
Trauma-Informed public health
Rankings
Ranking Based On Selection: 16
Kelly Hirko
Metrics
H-Index
i10 Index
Citation Counts
21
35
2,160
Rankings
Ranking Based On Selection: 17
Kimberly R Barber
Metrics
H-Index
i10 Index
Citation Counts
20
35
2,684
Epidemiology
biostatistics
evidence-based medicine
cardiology
immunology
Rankings
Ranking Based On Selection: 18
Nicholas K Skaff
Metrics
H-Index
i10 Index
Citation Counts
16
18
1,322
Rankings
Ranking Based On Selection: 19
Robey B Champine
Metrics
H-Index
i10 Index
Citation Counts
15
19
1,012
Positive Youth Development
Risk Prevention
Program and Policy Evaluation
Rankings
Ranking Based On Selection: 21
Mieka Smart
Metrics
H-Index
i10 Index
Citation Counts
10
10
473
Alcohol problems
physiological stress response
mental health
global public health workforce
Rankings
Ranking Based On Selection: 23
Leah Maschino|Leah D. Maschino
Metrics
H-Index
i10 Index
Citation Counts
2
2
29
Public Health
community engagement
community based participatory research
health equity