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
Ken Kleinman
Biostatistics
Biomedical research
Health care
Health services research
Metrics
H-Index
i10 Index
Citation
105
264
39,099
* Rankings
Ranking Based On Selection :3
Marya Zilberberg
Epidemiology
health services research
hospital utilization
health economics
Metrics
H-Index
i10 Index
Citation
56
134
12,484
Nicholas G Reich
biostatistics
machine learning
infectious disease
forecasting
data visualization
Metrics
H-Index
i10 Index
Citation
44
82
17,136
Laura B Balzeril
Causal inference
Machine learning
Clustered data
Missing data
TMLE
Metrics
H-Index
i10 Index
Citation
28
57
3,098
Raji Balasubramanian
biostatistics
data mining
epidemiologic methods
HIV research
Metrics
H-Index
i10 Index
Citation
26
51
2,825
Andrew A Lover
Infectious Disease Epi
ID Surveillance
Vector-borne disease
Malaria
Metrics
H-Index
i10 Index
Citation
19
30
1,069
Anahita Saeedi
Biostatistics
Survival Analysis
Epidemiology
Injury Prevention
Clinical Trials
Metrics
H-Index
i10 Index
Citation
6
5
125
Rankings
Ranking Based On Selection: 1
Ken Kleinman
Metrics
H-Index
i10 Index
Citation Counts
105
264
39,099
Biostatistics
Biomedical research
Health care
Health services research
Rankings
Ranking Based On Selection: 2
David Hosmer
Metrics
H-Index
i10 Index
Citation Counts
75
165
127,889
Rankings
Ranking Based On Selection: 3
Marya Zilberberg
Metrics
H-Index
i10 Index
Citation Counts
56
134
12,484
Epidemiology
health services research
hospital utilization
health economics
Rankings
Ranking Based On Selection: 4
Leontine Alkema
Metrics
H-Index
i10 Index
Citation Counts
45
68
29,700
Rankings
Ranking Based On Selection: 5
Nicholas G Reich
Metrics
H-Index
i10 Index
Citation Counts
44
82
17,136
biostatistics
machine learning
infectious disease
forecasting
data visualization
Rankings
Ranking Based On Selection: 6
Laura B Balzeril
Metrics
H-Index
i10 Index
Citation Counts
28
57
3,098
Causal inference
Machine learning
Clustered data
Missing data
TMLE
Rankings
Ranking Based On Selection: 7
Raji Balasubramanian
Metrics
H-Index
i10 Index
Citation Counts
26
51
2,825
biostatistics
data mining
epidemiologic methods
HIV research
Rankings
Ranking Based On Selection: 8
Zhengqing Ouyang
Metrics
H-Index
i10 Index
Citation Counts
25
31
22,070
Biostatistics
Statistical Genomics
Bioinformatics
Rankings
Ranking Based On Selection: 9
Andrew A Lover
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,069
Infectious Disease Epi
ID Surveillance
Vector-borne disease
Malaria
Rankings
Ranking Based On Selection: 10
Chi Hyun Lee
Metrics
H-Index
i10 Index
Citation Counts
6
6
122
Rankings
Ranking Based On Selection: 11
Anahita Saeedi
Metrics
H-Index
i10 Index
Citation Counts
6
5
125
Biostatistics
Survival Analysis
Epidemiology
Injury Prevention
Clinical Trials
Rankings
Ranking Based On Selection: 12
Yubing Yao
Metrics
H-Index
i10 Index
Citation Counts
3
3
105