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
Anthony Kelleher
HIV - AIDS
Immunology
Infectious Diseases
Virology
Metrics
H-Index
i10 Index
Citation
76
259
22,821
* Rankings
Ranking Based On Selection: 2
Kathy Petoumenos
Infectious diseases
HIV
Hepatitis C
cohort studies
clinical trials
Metrics
H-Index
i10 Index
Citation
44
117
9,583
Louise Causer
Infectious diseases
STIs
malaria
diagnositics
implementation science
Metrics
H-Index
i10 Index
Citation
28
43
3,651
Amit Saha
Epidemiology
Infectious diseases
Vaccine
Molecular point of care test
Metrics
H-Index
i10 Index
Citation
27
32
2,416
Braulio Mark Valencia Arroyo
Infectious diseases
neglected tropical diseases
host immunogenetics
next-generation sequencing
Metrics
H-Index
i10 Index
Citation
19
27
1,191
H Manisha Yapa
Infectious diseases
health systems
implementation research
public health
Metrics
H-Index
i10 Index
Citation
14
16
723
Rankings
Ranking Based On Selection: 1
Anthony Kelleher
Metrics
H-Index
i10 Index
Citation Counts
76
259
22,821
Rankings
Ranking Based On Selection: 2
Kathy Petoumenos
Metrics
H-Index
i10 Index
Citation Counts
44
117
9,583
Infectious diseases
HIV
Hepatitis C
cohort studies
clinical trials
Rankings
Ranking Based On Selection: 3
Jeffrey John Post
Metrics
H-Index
i10 Index
Citation Counts
33
72
3,965
Rankings
Ranking Based On Selection: 4
Louise Causer
Metrics
H-Index
i10 Index
Citation Counts
28
43
3,651
Infectious diseases
STIs
malaria
diagnositics
implementation science
Rankings
Ranking Based On Selection: 5
Amit Saha
Metrics
H-Index
i10 Index
Citation Counts
27
32
2,416
Epidemiology
Infectious diseases
Vaccine
Molecular point of care test
Rankings
Ranking Based On Selection: 6
Steven G Badman
Metrics
H-Index
i10 Index
Citation Counts
19
35
1,175
Rankings
Ranking Based On Selection: 7
Nila Dharan
Metrics
H-Index
i10 Index
Citation Counts
19
29
2,617
Rankings
Ranking Based On Selection: 8
Braulio Mark Valencia Arroyo
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,191
Infectious diseases
neglected tropical diseases
host immunogenetics
next-generation sequencing
Rankings
Ranking Based On Selection: 9
H Manisha Yapa
Metrics
H-Index
i10 Index
Citation Counts
14
16
723
Infectious diseases
health systems
implementation research
public health