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: 9
Zhilian Huang
Public health and epidemiology
Health Services Research
Diabetes
mHealth
Metrics
H-Index
i10 Index
Citation
13
14
886
* Rankings
Ranking Based On Selection: 10
Skanthakumar Thakshayeni
Public Health
Humanitarian Health
Gender Equity
Monitoring and Evaluation
Health Systems Strengthening
Metrics
H-Index
i10 Index
Citation
10
11
385

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* Rankings
Ranking Based On Selection: 12
P Arun Kumar
Socio-Behavioural Determinants of HIV/STI
HIV/STI Prevention
Innovations in HIV service delivery
HIV and Ageing
PrEP
Metrics
H-Index
i10 Index
Citation
4
3
82
* Rankings
Ranking Based On Selection: 13
Jocelyn Jin Yu
Infectious diseases
clinical trial
microbiology and immunology
Vaccine and Therapeutics
immunology
Metrics
H-Index
i10 Index
Citation
2
2
63
Rankings
Ranking Based On Selection: 1
Yee-Sin Leo
Metrics
H-Index
i10 Index
Citation Counts
94
329
34,565
Rankings
Ranking Based On Selection: 2
Barnaby Young
Metrics
H-Index
i10 Index
Citation Counts
58
106
25,065
Rankings
Ranking Based On Selection: 3
Chen I-Cheng Mark
Metrics
H-Index
i10 Index
Citation Counts
55
137
19,004
Rankings
Ranking Based On Selection: 4
Shawn Vasoo
Metrics
H-Index
i10 Index
Citation Counts
38
76
10,343
Rankings
Ranking Based On Selection: 5
Tun-Linn Thein
Metrics
H-Index
i10 Index
Citation Counts
28
43
2,710
Rankings
Ranking Based On Selection: 7
Chen Seong Wong
Metrics
H-Index
i10 Index
Citation Counts
15
25
823
HIV
Infectious Diseases
Internal Medicine
Medical Education
Rankings
Ranking Based On Selection: 8
Vanessa W Lim
Metrics
H-Index
i10 Index
Citation Counts
13
18
516
Rankings
Ranking Based On Selection: 9
Zhilian Huang
Metrics
H-Index
i10 Index
Citation Counts
13
14
886
Public health and epidemiology
Health Services Research
Diabetes
mHealth
Rankings
Ranking Based On Selection: 10
Skanthakumar Thakshayeni
Metrics
H-Index
i10 Index
Citation Counts
10
11
385
Public Health
Humanitarian Health
Gender Equity
Monitoring and Evaluation
Health Systems Strengthening

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Rankings
Ranking Based On Selection: 11
Travis Chia
Metrics
H-Index
i10 Index
Citation Counts
4
4
59
Rankings
Ranking Based On Selection: 12
P Arun Kumar
Metrics
H-Index
i10 Index
Citation Counts
4
3
82
Socio-Behavioural Determinants of HIV/STI
HIV/STI Prevention
Innovations in HIV service delivery
HIV and Ageing
PrEP
Rankings
Ranking Based On Selection: 13
Jocelyn Jin Yu
Metrics
H-Index
i10 Index
Citation Counts
2
2
63
Infectious diseases
clinical trial
microbiology and immunology
Vaccine and Therapeutics
immunology