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" (873,690 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
Joel S Schuman
Ocular Imaging
Aqueous Outflow
Regenerative Ophthalmology
Laser-Tissue Interactions
Metrics
H-Index
i10 Index
Citation
120
447
79,381
* Rankings
Ranking Based On Selection: 2
Michael Marmor
epidemiology
HIV
ophthalmology
motor vehicle crashes
teaching of epidemiology
Metrics
H-Index
i10 Index
Citation
63
116
18,056
* Rankings
Ranking Based On Selection: 5
L Kagemann
Functional Imaging
Aqueous Humor Outflow
OCT
glaucoma
Metrics
H-Index
i10 Index
Citation
53
99
8,365

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Royce Chen
Vitreoretinal Surgery
Retinal Imaging
Optical Coherence Tomography
Uveitis
Metrics
H-Index
i10 Index
Citation
23
35
2,053
* Rankings
Ranking Based On Selection: 15
Roman Shinder
ocular adnexal tumors
orbital disease
lacrimal disease
periocular trauma
Metrics
H-Index
i10 Index
Citation
19
40
1,319
Rankings
Ranking Based On Selection: 1
Joel S Schuman
Metrics
H-Index
i10 Index
Citation Counts
120
447
79,381
Ocular Imaging
Aqueous Outflow
Regenerative Ophthalmology
Laser-Tissue Interactions
Rankings
Ranking Based On Selection: 2
Michael Marmor
Metrics
H-Index
i10 Index
Citation Counts
63
116
18,056
epidemiology
HIV
ophthalmology
motor vehicle crashes
teaching of epidemiology
Rankings
Ranking Based On Selection: 3
Carlos Gustavo De Moraes
Metrics
H-Index
i10 Index
Citation Counts
56
185
11,673
Rankings
Ranking Based On Selection: 4
Vivienne Greenstein
Metrics
H-Index
i10 Index
Citation Counts
53
112
8,292
Rankings
Ranking Based On Selection: 5
L Kagemann
Metrics
H-Index
i10 Index
Citation Counts
53
99
8,365
Functional Imaging
Aqueous Humor Outflow
OCT
glaucoma
Rankings
Ranking Based On Selection: 6
Robert Fechtner
Metrics
H-Index
i10 Index
Citation Counts
36
67
5,927
Rankings
Ranking Based On Selection: 7
Nan Kai Wang
Metrics
H-Index
i10 Index
Citation Counts
35
95
4,077
Rankings
Ranking Based On Selection: 8
Martin J Steinbach
Metrics
H-Index
i10 Index
Citation Counts
35
89
4,531
Rankings
Ranking Based On Selection: 9
Winston Lee
Metrics
H-Index
i10 Index
Citation Counts
33
70
3,328
Rankings
Ranking Based On Selection: 10
Konstantin Petrukhin
Metrics
H-Index
i10 Index
Citation Counts
33
61
8,477

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Xin Zhang
Metrics
H-Index
i10 Index
Citation Counts
30
43
2,693
Rankings
Ranking Based On Selection: 12
Lama Al-Aswad
Metrics
H-Index
i10 Index
Citation Counts
25
50
2,280
Rankings
Ranking Based On Selection: 13
Royce Chen
Metrics
H-Index
i10 Index
Citation Counts
23
35
2,053
Vitreoretinal Surgery
Retinal Imaging
Optical Coherence Tomography
Uveitis
Rankings
Ranking Based On Selection: 14
Harriet Lloyd
Metrics
H-Index
i10 Index
Citation Counts
22
30
2,775
Rankings
Ranking Based On Selection: 15
Roman Shinder
Metrics
H-Index
i10 Index
Citation Counts
19
40
1,319
ocular adnexal tumors
orbital disease
lacrimal disease
periocular trauma
Rankings
Ranking Based On Selection: 16
Yi Ting Tsai
Metrics
H-Index
i10 Index
Citation Counts
18
22
1,536
Rankings
Ranking Based On Selection: 17
Vaidehi Dedania
Metrics
H-Index
i10 Index
Citation Counts
17
23
788
Rankings
Ranking Based On Selection: 18
Aliaa Abdelhakim
Metrics
H-Index
i10 Index
Citation Counts
13
13
2,437
Rankings
Ranking Based On Selection: 19
Behnam Tayebi
Metrics
H-Index
i10 Index
Citation Counts
12
13
471
Rankings
Ranking Based On Selection: 20
Scott N Grossman
Metrics
H-Index
i10 Index
Citation Counts
11
11
905
Rankings
Ranking Based On Selection: 21
Nitish Mehta
Metrics
H-Index
i10 Index
Citation Counts
10
12
1,057
Rankings
Ranking Based On Selection: 23
Edward Y Chay
Metrics
H-Index
i10 Index
Citation Counts
6
5
753
Ophthalmology
Biotechnology
Computational Evaluation of Ophthalmic Devices
Rankings
Ranking Based On Selection: 24
William Plum
Metrics
H-Index
i10 Index
Citation Counts
4
1
52
Rankings
Ranking Based On Selection: 27
Divya Kaushal
Metrics
H-Index
i10 Index
Citation Counts
2
0
11