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.

Doug Leslie
Health economics
health services research
mental health
substance use research
Metrics
H-Index
i10 Index
Citation
62
157
16,521
Jonathan Foulds
nicotine psychopharmacology
smoking cessation
vaping
tobacco and health
Metrics
H-Index
i10 Index
Citation
58
151
11,284
Danny George
Alzheimers disease
dementia
social media
public health
intergenerational relationships
Metrics
H-Index
i10 Index
Citation
36
90
4,558
Rankings
Ranking Based On Selection: 1
Vernon Chinchilli
Metrics
H-Index
i10 Index
Citation Counts
99
345
37,602
Rankings
Ranking Based On Selection: 2
Doug Leslie
Metrics
H-Index
i10 Index
Citation Counts
62
157
16,521
Health economics
health services research
mental health
substance use research
Rankings
Ranking Based On Selection: 3
Jonathan Foulds
Metrics
H-Index
i10 Index
Citation Counts
58
151
11,284
nicotine psychopharmacology
smoking cessation
vaping
tobacco and health
Rankings
Ranking Based On Selection: 4
Kristen Kjerulff
Metrics
H-Index
i10 Index
Citation Counts
44
81
6,939
Rankings
Ranking Based On Selection: 5
Rebecca Bascom
Metrics
H-Index
i10 Index
Citation Counts
44
93
13,424
Rankings
Ranking Based On Selection: 6
Tom Lloyd
Metrics
H-Index
i10 Index
Citation Counts
43
71
6,231
Determinants of bone strength
improving presentation skills
Rankings
Ranking Based On Selection: 7
Danny George
Metrics
H-Index
i10 Index
Citation Counts
36
90
4,558
Alzheimers disease
dementia
social media
public health
intergenerational relationships
Rankings
Ranking Based On Selection: 8
Anna E Ssentongo
Metrics
H-Index
i10 Index
Citation Counts
33
52
9,217
Human Trafficking
Trauma
Global Health
Clinical Epidemiology
COVID-19
Rankings
Ranking Based On Selection: 9
Donaldson Conserve
Metrics
H-Index
i10 Index
Citation Counts
27
64
2,362
Rankings
Ranking Based On Selection: 11
Ping Du
Metrics
H-Index
i10 Index
Citation Counts
23
40
1,895
Rankings
Ranking Based On Selection: 12
Anne Buchanan
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,925
Rankings
Ranking Based On Selection: 13
Benjamin Jonik
Metrics
H-Index
i10 Index
Citation Counts
2
2
45