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" (870,053 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
Van Meir Erwin G
Cancer Research
Oncology
brain tumors
neurooncology
Metrics
H-Index
i10 Index
Citation
112
219
78,906
* Rankings
Ranking Based On Selection: 2
Robert E Gross
Neuromodulation
Neural regeneration
Deep brain Stimulation
Functional Neurosurgery
Metrics
H-Index
i10 Index
Citation
62
101
18,558
* Rankings
Ranking Based On Selection: 5
Nicholas Boulis
Gene Therapy
Stem Cell Therapy
Pain
Chemogenetics
ALS
Metrics
H-Index
i10 Index
Citation
52
144
9,486
Oyesiku Nm
Neurosurgery
Pituitary Tumors
Brain Tumors
Endocrinology
Metrics
H-Index
i10 Index
Citation
45
106
7,124
Jon T Willie
Neurosurgery
epilepsy
narcolepsy
sleep
deep brain stimulation
Metrics
H-Index
i10 Index
Citation
40
66
14,057

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* Rankings
Ranking Based On Selection: 11
Ali Alawieh
Neurosurgery
Neuroinflammation
Cerebrovascular Disease
Complement System
Brain Injury
Metrics
H-Index
i10 Index
Citation
36
69
3,726
* Rankings
Ranking Based On Selection: 13
Faiz U Ahmad
Neurosurgery
spine surgery
TBI
Spinal cord injury
Metrics
H-Index
i10 Index
Citation
28
62
2,551
* Rankings
Ranking Based On Selection: 15
James G Malcolm
neurosurgery
spine surgery
computer science
Metrics
H-Index
i10 Index
Citation
27
48
3,034
* Rankings
Ranking Based On Selection: 16
Mehdi Bouslama
Cerebrovascular Diseases
Neuroradiology
Endovascular Neurosurgery
Data Analytics
Machine learning
Metrics
H-Index
i10 Index
Citation
25
36
2,125
* Rankings
Ranking Based On Selection: 17
Brian M Howard
Cerebrovascular and Skull Base Surgery
Interventional Neuroradiology
Metrics
H-Index
i10 Index
Citation
24
47
1,814
* Rankings
Ranking Based On Selection: 18
Edjah Nduom
Brain tumors
tumor immunology
non-coding RNAS
Metrics
H-Index
i10 Index
Citation
22
27
2,467
Nicholas Au Yong
Neuromodulation
Motor Control
Sensorimotor Integration
Metrics
H-Index
i10 Index
Citation
15
17
710
Tyler Steed
glioblastoma
radiogenomics
bioinformatics
neurosurgery
neuroimaging
Metrics
H-Index
i10 Index
Citation
13
16
1,885
Muhibullah Tora
Neurosurgery
Spinal Cord
Glioma Modeling
Gene Therapy
Actin
Metrics
H-Index
i10 Index
Citation
12
16
504
Vineet Tiruvadi
Clinical Neuroengineering
Control Theory
Reverse Engineering
Emotion/Affect AI.
Metrics
H-Index
i10 Index
Citation
11
11
1,802
Nealen G Laxpati
Neurosurgery
Epilepsy
Optogenetics
Brain-Machine Interfacing
Deep Brain Stimulation
Metrics
H-Index
i10 Index
Citation
11
11
829
Rebecca Zelmanovich
neurosurgery
cerebrovascular surgery
neuroscience
spine surgery
Metrics
H-Index
i10 Index
Citation
5
2
64
Sepehr Saberian
Neurosurgery
Chronic Traumatic Encephalopathy
Surgery
Trauma
Quality Improvement
Metrics
H-Index
i10 Index
Citation
3
1
18
Rankings
Ranking Based On Selection: 1
Van Meir Erwin G
Metrics
H-Index
i10 Index
Citation Counts
112
219
78,906
Cancer Research
Oncology
brain tumors
neurooncology
Rankings
Ranking Based On Selection: 2
Robert E Gross
Metrics
H-Index
i10 Index
Citation Counts
62
101
18,558
Neuromodulation
Neural regeneration
Deep brain Stimulation
Functional Neurosurgery
Rankings
Ranking Based On Selection: 3
Daniel L Barrow
Metrics
H-Index
i10 Index
Citation Counts
57
151
11,568
Rankings
Ranking Based On Selection: 4
Jacques Dion
Metrics
H-Index
i10 Index
Citation Counts
54
123
18,587
Rankings
Ranking Based On Selection: 5
Nicholas Boulis
Metrics
H-Index
i10 Index
Citation Counts
52
144
9,486
Gene Therapy
Stem Cell Therapy
Pain
Chemogenetics
ALS
Rankings
Ranking Based On Selection: 6
Jeffrey J Olson
Metrics
H-Index
i10 Index
Citation Counts
52
98
18,942
Rankings
Ranking Based On Selection: 7
Gustavo Pradilla
Metrics
H-Index
i10 Index
Citation Counts
46
117
7,358
Rankings
Ranking Based On Selection: 8
Oyesiku Nm
Metrics
H-Index
i10 Index
Citation Counts
45
106
7,124
Neurosurgery
Pituitary Tumors
Brain Tumors
Endocrinology
Rankings
Ranking Based On Selection: 9
Jon T Willie
Metrics
H-Index
i10 Index
Citation Counts
40
66
14,057
Neurosurgery
epilepsy
narcolepsy
sleep
deep brain stimulation
Rankings
Ranking Based On Selection: 10
Jonathan A Grossberg
Metrics
H-Index
i10 Index
Citation Counts
39
85
5,268

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
Ali Alawieh
Metrics
H-Index
i10 Index
Citation Counts
36
69
3,726
Neurosurgery
Neuroinflammation
Cerebrovascular Disease
Complement System
Brain Injury
Rankings
Ranking Based On Selection: 12
Daniel Refai
Metrics
H-Index
i10 Index
Citation Counts
29
57
3,371
Rankings
Ranking Based On Selection: 13
Faiz U Ahmad
Metrics
H-Index
i10 Index
Citation Counts
28
62
2,551
Neurosurgery
spine surgery
TBI
Spinal cord injury
Rankings
Ranking Based On Selection: 14
Stefan Kaluz
Metrics
H-Index
i10 Index
Citation Counts
28
40
3,167
Rankings
Ranking Based On Selection: 15
James G Malcolm
Metrics
H-Index
i10 Index
Citation Counts
27
48
3,034
Rankings
Ranking Based On Selection: 16
Mehdi Bouslama
Metrics
H-Index
i10 Index
Citation Counts
25
36
2,125
Cerebrovascular Diseases
Neuroradiology
Endovascular Neurosurgery
Data Analytics
Machine learning
Rankings
Ranking Based On Selection: 17
Brian M Howard
Metrics
H-Index
i10 Index
Citation Counts
24
47
1,814
Cerebrovascular and Skull Base Surgery
Interventional Neuroradiology
Rankings
Ranking Based On Selection: 18
Edjah Nduom
Metrics
H-Index
i10 Index
Citation Counts
22
27
2,467
Rankings
Ranking Based On Selection: 19
Nicholas Au Yong
Metrics
H-Index
i10 Index
Citation Counts
15
17
710
Neuromodulation
Motor Control
Sensorimotor Integration
Rankings
Ranking Based On Selection: 20
Tyler Steed
Metrics
H-Index
i10 Index
Citation Counts
13
16
1,885
glioblastoma
radiogenomics
bioinformatics
neurosurgery
neuroimaging
Rankings
Ranking Based On Selection: 21
Hassan Saad
Metrics
H-Index
i10 Index
Citation Counts
13
14
466
Rankings
Ranking Based On Selection: 22
Muhibullah Tora
Metrics
H-Index
i10 Index
Citation Counts
12
16
504
Neurosurgery
Spinal Cord
Glioma Modeling
Gene Therapy
Actin
Rankings
Ranking Based On Selection: 23
Jason Chu
Metrics
H-Index
i10 Index
Citation Counts
11
12
923
Rankings
Ranking Based On Selection: 24
Vineet Tiruvadi
Metrics
H-Index
i10 Index
Citation Counts
11
11
1,802
Clinical Neuroengineering
Control Theory
Reverse Engineering
Emotion/Affect AI.
Rankings
Ranking Based On Selection: 25
Chadd Funk
Metrics
H-Index
i10 Index
Citation Counts
11
11
889
Rankings
Ranking Based On Selection: 26
Nealen G Laxpati
Metrics
H-Index
i10 Index
Citation Counts
11
11
829
Neurosurgery
Epilepsy
Optogenetics
Brain-Machine Interfacing
Deep Brain Stimulation
Rankings
Ranking Based On Selection: 27
Sarah Newman
Metrics
H-Index
i10 Index
Citation Counts
6
4
180
Rankings
Ranking Based On Selection: 28
Rebecca Zelmanovich
Metrics
H-Index
i10 Index
Citation Counts
5
2
64
neurosurgery
cerebrovascular surgery
neuroscience
spine surgery
Rankings
Ranking Based On Selection: 29
Sepehr Saberian
Metrics
H-Index
i10 Index
Citation Counts
3
1
18
Neurosurgery
Chronic Traumatic Encephalopathy
Surgery
Trauma
Quality Improvement
Rankings
Ranking Based On Selection: 31
Andrew Mark Erwood
Metrics
H-Index
i10 Index
Citation Counts
1
1
41