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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,291 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
Stephen Ryu
Neurosurgery
Neuroscience
Brain-machine interfacing
Spin
Metrics
 
H-Index
i10 Index
Citation
68
117
19,520
* Rankings
Ranking Based On Selection: 2
Dominick Frosch
Patient engagement
shared decision making
health communication
translational researc
Metrics
 
H-Index
i10 Index
Citation
57
126
19,986
* Rankings
Ranking Based On Selection: 3
Ehsan Rahimy
Medical & Surgical Vitreoretinal Diseas
Metrics
 
H-Index
i10 Index
Citation
35
75
6,249
* Rankings
Ranking Based On Selection: 5
M. Max Ezzati
Infertility
Endometriosis
Uterine Fibroids
Ovarian Biology
Reproductive Endocrinolog
Metrics
 
H-Index
i10 Index
Citation
11
12
1,017
Rankings
Ranking Based On Selection: 1
Stephen Ryu
Metrics
 
H-Index
i10 Index
Citation Counts
68
117
19,520
Neurosurgery
Neuroscience
Brain-machine interfacing
Spin
Rankings
Ranking Based On Selection: 2
Dominick Frosch
Metrics
 
H-Index
i10 Index
Citation Counts
57
126
19,986
Patient engagement
shared decision making
health communication
translational researc
Rankings
Ranking Based On Selection: 3
Ehsan Rahimy
Metrics
 
H-Index
i10 Index
Citation Counts
35
75
6,249
Medical & Surgical Vitreoretinal Diseas
Rankings
Ranking Based On Selection: 4
Sanjay Ramrakhiani
Metrics
 
H-Index
i10 Index
Citation Counts
13
14
1,209
Rankings
Ranking Based On Selection: 5
M. Max Ezzati
Metrics
 
H-Index
i10 Index
Citation Counts
11
12
1,017
Infertility
Endometriosis
Uterine Fibroids
Ovarian Biology
Reproductive Endocrinolog
Rankings
Ranking Based On Selection: 6
Bradford Duncan
Metrics
 
H-Index
i10 Index
Citation Counts
11
11
2,534
Rankings
Ranking Based On Selection: 7
Bryan Chan
Metrics
 
H-Index
i10 Index
Citation Counts
9
9
3,319