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" (870,053 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
Ola Adetokunboh Md
Global Health
Evidence synthesis
Infectious Disease Epidemiology
Vaccinology
HIV
Metrics
H-Index
i10 Index
Citation
39
56
71,234
* Rankings
Ranking Based On Selection: 3
Chinwe Iwu
Public Health: infectious disease epidemiology
evidence synthesis
vaccine implementation research
antimicrobial resistance
Metrics
H-Index
i10 Index
Citation
34
55
24,856
* Rankings
Ranking Based On Selection: 5
Wim Delva
infectious disease epidemiology
biostatistics
health analytics
applied data science
Metrics
H-Index
i10 Index
Citation
30
50
2,193
* Rankings
Ranking Based On Selection: 7
Eleanor Ochodo
Diagnostic research
Evidence-based health care
Global health
Clinical epidemiology
Metrics
H-Index
i10 Index
Citation
20
30
2,731
* Rankings
Ranking Based On Selection: 9
Michael Mccaul
Clinical Epidemiology
Clinical Practice Guidelines
Evidence Synthesis
Methods Research
Metrics
H-Index
i10 Index
Citation
15
26
798
* Rankings
Ranking Based On Selection: 10
Stefani Du Toit
Adolescent mental health
intervention implementation
adolescent development
community health
Metrics
H-Index
i10 Index
Citation
11
14
592

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* Rankings
Ranking Based On Selection: 11
Elsie Breet
suicidal ideation and behaviour
mental health and well being
campus health
public health
intervention
Metrics
H-Index
i10 Index
Citation
10
10
496
* Rankings
Ranking Based On Selection: 12
Hester M Van Biljon
occupational therapy
vocational rehabilitation
older adults
public healthcare
community health
Metrics
H-Index
i10 Index
Citation
9
7
234
* Rankings
Ranking Based On Selection: 13
Robin Dyers
User Experience Design
Design Science
Public Health
Geographic Information Systems
Metrics
H-Index
i10 Index
Citation
7
5
254
Rankings
Ranking Based On Selection: 1
Ola Adetokunboh Md
Metrics
H-Index
i10 Index
Citation Counts
39
56
71,234
Global Health
Evidence synthesis
Infectious Disease Epidemiology
Vaccinology
HIV
Rankings
Ranking Based On Selection: 2
Jason Bantjes
Metrics
H-Index
i10 Index
Citation Counts
38
91
9,028
Rankings
Ranking Based On Selection: 3
Chinwe Iwu
Metrics
H-Index
i10 Index
Citation Counts
34
55
24,856
Public Health: infectious disease epidemiology
evidence synthesis
vaccine implementation research
antimicrobial resistance
Rankings
Ranking Based On Selection: 4
Alex Welte
Metrics
H-Index
i10 Index
Citation Counts
33
65
3,251
Rankings
Ranking Based On Selection: 5
Wim Delva
Metrics
H-Index
i10 Index
Citation Counts
30
50
2,193
infectious disease epidemiology
biostatistics
health analytics
applied data science
Rankings
Ranking Based On Selection: 6
Sarah Skeen
Metrics
H-Index
i10 Index
Citation Counts
29
66
2,581
Rankings
Ranking Based On Selection: 7
Eleanor Ochodo
Metrics
H-Index
i10 Index
Citation Counts
20
30
2,731
Diagnostic research
Evidence-based health care
Global health
Clinical epidemiology
Rankings
Ranking Based On Selection: 8
Xikombiso Gertrude Mbhenyane
Metrics
H-Index
i10 Index
Citation Counts
18
31
1,359
Rankings
Ranking Based On Selection: 9
Michael Mccaul
Metrics
H-Index
i10 Index
Citation Counts
15
26
798
Clinical Epidemiology
Clinical Practice Guidelines
Evidence Synthesis
Methods Research
Rankings
Ranking Based On Selection: 10
Stefani Du Toit
Metrics
H-Index
i10 Index
Citation Counts
11
14
592
Adolescent mental health
intervention implementation
adolescent development
community 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
Elsie Breet
Metrics
H-Index
i10 Index
Citation Counts
10
10
496
suicidal ideation and behaviour
mental health and well being
campus health
public health
intervention
Rankings
Ranking Based On Selection: 12
Hester M Van Biljon
Metrics
H-Index
i10 Index
Citation Counts
9
7
234
occupational therapy
vocational rehabilitation
older adults
public healthcare
community health
Rankings
Ranking Based On Selection: 13
Robin Dyers
Metrics
H-Index
i10 Index
Citation Counts
7
5
254
User Experience Design
Design Science
Public Health
Geographic Information Systems