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.

Ankit Mehta
Spine
Spinal Oncology
Neurosurgery
Drug Delivery
Spinal Cord Injury
Metrics
H-Index
i10 Index
Citation
40
118
7,143
Ali Alaraj Faha
Brain aneurysm
Arteriovenous Malformation
Stroke
Cerebral Circulation
Virtual Reality
Metrics
H-Index
i10 Index
Citation
36
120
4,998
Gregory D Arnone
Skull base surgery
brain tumors (glioblastoma/astrocytoma/pituitary tumors/craniopharyngioma/meningioma/chordoma)
aneurysms/arteriovenous malformations
microvascular decompression
spinal tumors
Metrics
H-Index
i10 Index
Citation
15
19
745
Rankings
Ranking Based On Selection: 1
Fady Charbel
Metrics
H-Index
i10 Index
Citation Counts
63
215
13,355
Rankings
Ranking Based On Selection: 4
Ankit Mehta
Metrics
H-Index
i10 Index
Citation Counts
40
118
7,143
Spine
Spinal Oncology
Neurosurgery
Drug Delivery
Spinal Cord Injury
Rankings
Ranking Based On Selection: 5
Ali Alaraj Faha
Metrics
H-Index
i10 Index
Citation Counts
36
120
4,998
Brain aneurysm
Arteriovenous Malformation
Stroke
Cerebral Circulation
Virtual Reality
Rankings
Ranking Based On Selection: 6
Krzysztof Kris Siemionow
Metrics
H-Index
i10 Index
Citation Counts
21
34
1,400
Rankings
Ranking Based On Selection: 7
Gregory D Arnone
Metrics
H-Index
i10 Index
Citation Counts
15
19
745
Skull base surgery
brain tumors (glioblastoma/astrocytoma/pituitary tumors/craniopharyngioma/meningioma/chordoma)
aneurysms/arteriovenous malformations
microvascular decompression
spinal tumors
Rankings
Ranking Based On Selection: 8
Callum D Dewar
Metrics
H-Index
i10 Index
Citation Counts
7
7
747
Rankings
Ranking Based On Selection: 9
James W Nie
Metrics
H-Index
i10 Index
Citation Counts
6
2
150