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.

Scott Bartell
Environmental Health Methodology (Exposure Science
Epidemiology
and Risk Assessment)
per- and polyfluoroalkyl substances (PF
Metrics
H-Index
i10 Index
Citation
41
82
5,717
Daniel M Parker
Medical Geography
Infectious disease ecology
infectious disease epidemiology
Spatial epidemiology
Global health
Metrics
H-Index
i10 Index
Citation
37
66
3,697
Amirhosein Mousavi
Climate change
Geo Sustainability
Environmental Sensing
Big data
risk assessment
Metrics
H-Index
i10 Index
Citation
22
25
1,196
Christian R Salazar
Epidemiology
Social determinants of health
Aging
Latino health
Alzheimer's disease
Metrics
H-Index
i10 Index
Citation
21
30
1,407
Jenna L Riis
Public Health
Child health and development
Salivary bioscience
Psychological Science
Metrics
H-Index
i10 Index
Citation
19
25
2,505
Rankings
Ranking Based On Selection: 1
Argyrios Ziogas
Metrics
H-Index
i10 Index
Citation Counts
94
281
31,291
Rankings
Ranking Based On Selection: 2
Elani Streja
Metrics
H-Index
i10 Index
Citation Counts
61
199
42,554
Rankings
Ranking Based On Selection: 3
Maria M Corrada
Metrics
H-Index
i10 Index
Citation Counts
55
110
13,164
Epidemiology of Aging
Dementia
Alzheimer's disease
Oldest-old
Rankings
Ranking Based On Selection: 4
Scott Bartell
Metrics
H-Index
i10 Index
Citation Counts
41
82
5,717
Environmental Health Methodology (Exposure Science
Epidemiology
and Risk Assessment)
per- and polyfluoroalkyl substances (PF
Rankings
Ranking Based On Selection: 5
Daniel M Parker
Metrics
H-Index
i10 Index
Citation Counts
37
66
3,697
Medical Geography
Infectious disease ecology
infectious disease epidemiology
Spatial epidemiology
Global health
Rankings
Ranking Based On Selection: 6
Yang Haiou
Metrics
H-Index
i10 Index
Citation Counts
26
60
3,396
Rankings
Ranking Based On Selection: 7
Amirhosein Mousavi
Metrics
H-Index
i10 Index
Citation Counts
22
25
1,196
Climate change
Geo Sustainability
Environmental Sensing
Big data
risk assessment
Rankings
Ranking Based On Selection: 9
Christian R Salazar
Metrics
H-Index
i10 Index
Citation Counts
21
30
1,407
Epidemiology
Social determinants of health
Aging
Latino health
Alzheimer's disease
Rankings
Ranking Based On Selection: 10
Jenna L Riis
Metrics
H-Index
i10 Index
Citation Counts
19
25
2,505
Public Health
Child health and development
Salivary bioscience
Psychological Science
Rankings
Ranking Based On Selection: 11
Alexis R. Freedland
Metrics
H-Index
i10 Index
Citation Counts
8
8
388
Rankings
Ranking Based On Selection: 12
Amruta Dixit
Metrics
H-Index
i10 Index
Citation Counts
7
7
651
Epidemiology
Public Health
Infectious Diseases
Tropical Medicine
Rankings
Ranking Based On Selection: 13
Yihang Fan
Metrics
H-Index
i10 Index
Citation Counts
1
0
5