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" (1,014,167 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 :7
Angelika Gruessner
Pancreas Transplantation
analysis of big data sets
clinical trials
Metrics
H-Index
i10 Index
Citation
67
181
14,699
* Rankings
Ranking Based On Selection :11
Ivan Bodis Wollner
Parkinson disease
Movement disorders
Vision and visual cognition
Neurophysiology
Retinal impairment in Parkinson disease
Metrics
H-Index
i10 Index
Citation
62
158
11,556
* Rankings
Ranking Based On Selection :14
Carl I Cohen
aging
schizophrenia
homelessness
social psychiatry
Alzheimer's disease
Metrics
H-Index
i10 Index
Citation
54
138
9,093
* Rankings
Ranking Based On Selection :15
Tracey Wilson
Health disparities
intervention design and evaluation
HIV/STI prevention and social/behavioral aspects of treatment
public he
Metrics
H-Index
i10 Index
Citation
53
147
8,696
* Rankings
Ranking Based On Selection :19
David Kaufman
Human Computer Interaction
Biomedical Informatics
Cognitive Science
Metrics
H-Index
i10 Index
Citation
46
111
7,525
* Rankings
Ranking Based On Selection :48
Ashwini K Pandey
Alcoholism
Electrophysiology
Neuroimaging
Inhibition
Emotion.
Metrics
H-Index
i10 Index
Citation
22
29
1,396
* Rankings
Ranking Based On Selection :53
Marlene Camacho Rivera
social determinants of health
health equity
social epidemiology
Metrics
H-Index
i10 Index
Citation
20
28
1,561
* Rankings
Ranking Based On Selection :59
Sivan Kinreich
Machine learning applications
Neuroscience of addiction
social interaction and emotion regulation
Metrics
H-Index
i10 Index
Citation
19
27
1,448
* Rankings
Ranking Based On Selection :66
Rose Saint Fleur Calixte Pstat
Maternal and Child Health Outcome
Health Disparities
Growth Curve Modeling
Quality Improvement
Learning Curve Assessment
Metrics
H-Index
i10 Index
Citation
17
26
954
* Rankings
Ranking Based On Selection :67
Ahmed Bakillah
Cardiovascular diseases and Lipoprotein Metabolism
Metrics
H-Index
i10 Index
Citation
17
26
1,945
* Rankings
Ranking Based On Selection :68
Prem Premsrirut
genetic engineering
cancer biology
cancer genetics
RNA interference
CRISPR/Cas gene editing
Metrics
H-Index
i10 Index
Citation
16
18
2,743
* Rankings
Ranking Based On Selection :72
Mohammad Fahim Kadir
Atomic Force Microscopy
Eukaryotic translation
Ribosomal recycling
Ion channels
Ethnomedicine
Metrics
H-Index
i10 Index
Citation
15
21
1,379
* Rankings
Ranking Based On Selection :73
Robert G Alexander
Visual Neuroscience
Perceptual Expertise
Medical Image Perception
Medical Errors
Saccades
Metrics
H-Index
i10 Index
Citation
15
15
938
* Rankings
Ranking Based On Selection :82
Laura A Geer
environmental and occupational health sciences
climate and health
maternal and child health
Metrics
H-Index
i10 Index
Citation
14
15
1,175
* Rankings
Ranking Based On Selection :93
Louis H Stein
Adult Cardiac Surgery
Mechanical Circulatory Assist Device
Heart Transplant
Structural Heart
Metrics
H-Index
i10 Index
Citation
13
13
612
Rankings
Ranking Based On Selection: 1
Steven Levine
Metrics
H-Index
i10 Index
Citation Counts
99
265
82,100
stroke
cerebrovascular diseases
Rankings
Ranking Based On Selection: 2
Bernice Porjesz
Metrics
H-Index
i10 Index
Citation Counts
98
276
29,374
Rankings
Ranking Based On Selection: 3
Burton M Altura
Metrics
H-Index
i10 Index
Citation Counts
84
406
25,569
Rankings
Ranking Based On Selection: 4
Richard M Rosenfeld
Metrics
H-Index
i10 Index
Citation Counts
79
187
34,140
Healthcare
Clinical Practice Guidelines
Otitis Media
Evidence-based Medicine
Rankings
Ranking Based On Selection: 5
Rainer W Gruessner
Metrics
H-Index
i10 Index
Citation Counts
79
296
22,125
Rankings
Ranking Based On Selection: 7
Angelika Gruessner
Metrics
H-Index
i10 Index
Citation Counts
67
181
14,699
Pancreas Transplantation
analysis of big data sets
clinical trials
Rankings
Ranking Based On Selection: 8
Deborah Gustafson
Metrics
H-Index
i10 Index
Citation Counts
65
177
18,804
Neuroepidemiology
Alzheimer's disease
brain
vascular
adiposity
Rankings
Ranking Based On Selection: 9
Robert Wong
Metrics
H-Index
i10 Index
Citation Counts
65
107
15,512
Rankings
Ranking Based On Selection: 10
Jeremy Coplan
Metrics
H-Index
i10 Index
Citation Counts
64
144
15,154
Rankings
Ranking Based On Selection: 11
Ivan Bodis Wollner
Metrics
H-Index
i10 Index
Citation Counts
62
158
11,556
Parkinson disease
Movement disorders
Vision and visual cognition
Neurophysiology
Retinal impairment in Parkinson disease
Rankings
Ranking Based On Selection: 12
Paul Landsbergis
Metrics
H-Index
i10 Index
Citation Counts
61
125
17,672
Occupational Health
Stress
Public Health
Cardiovascular Disease
Hypertension
Rankings
Ranking Based On Selection: 13
John Lewis
Metrics
H-Index
i10 Index
Citation Counts
60
180
18,300
Rankings
Ranking Based On Selection: 14
Carl I Cohen
Metrics
H-Index
i10 Index
Citation Counts
54
138
9,093
aging
schizophrenia
homelessness
social psychiatry
Alzheimer's disease
Rankings
Ranking Based On Selection: 15
Tracey Wilson
Metrics
H-Index
i10 Index
Citation Counts
53
147
8,696
Health disparities
intervention design and evaluation
HIV/STI prevention and social/behavioral aspects of treatment
public he
Rankings
Ranking Based On Selection: 16
Tim Bigdeli
Metrics
H-Index
i10 Index
Citation Counts
47
82
23,176
human genetics
psychiatric epidemiology
statistical genetics
Rankings
Ranking Based On Selection: 17
Jack Dehovitz
Metrics
H-Index
i10 Index
Citation Counts
47
116
8,881
Rankings
Ranking Based On Selection: 19
David Kaufman
Metrics
H-Index
i10 Index
Citation Counts
46
111
7,525
Human Computer Interaction
Biomedical Informatics
Cognitive Science
Rankings
Ranking Based On Selection: 20
Jahangir Iqbal
Metrics
H-Index
i10 Index
Citation Counts
44
66
7,866
Lipid Metabolism
Atherosclerosis
Diabetes
Molecular Biology
Rankings
Ranking Based On Selection: 21
Patricia Roblin
Metrics
H-Index
i10 Index
Citation Counts
44
86
6,201
Rankings
Ranking Based On Selection: 24
Jason Lazar
Metrics
H-Index
i10 Index
Citation Counts
40
130
6,209
vascular disease
cardiac function
Rankings
Ranking Based On Selection: 25
Mark Stewart
Metrics
H-Index
i10 Index
Citation Counts
38
69
5,393
Rankings
Ranking Based On Selection: 26
Diana Dow Edwards
Metrics
H-Index
i10 Index
Citation Counts
38
80
4,629
Rankings
Ranking Based On Selection: 27
William W Lytton
Metrics
H-Index
i10 Index
Citation Counts
37
96
5,739
Rankings
Ranking Based On Selection: 28
Jacquelyn L Meyers
Metrics
H-Index
i10 Index
Citation Counts
35
70
6,283
genetics
epidemiology
alcohol dependence
substance use disorders
psychiatry
Rankings
Ranking Based On Selection: 30
Jeffrey H Goodman
Metrics
H-Index
i10 Index
Citation Counts
33
42
6,213
Epilepsy
TBI
neurodevelopment
Rankings
Ranking Based On Selection: 32
Sabina Hirshfield
Metrics
H-Index
i10 Index
Citation Counts
32
61
3,523
HIV prevention
eHealth interventions
Rankings
Ranking Based On Selection: 33
Patrick Geraghty
Metrics
H-Index
i10 Index
Citation Counts
32
53
3,020
Lung research
microbiology
Rankings
Ranking Based On Selection: 34
Bardiya Zangbar
Metrics
H-Index
i10 Index
Citation Counts
31
46
2,810
Trauma Surgery
Frailty
Traumatic Brain Injury
Telemedicine
Rankings
Ranking Based On Selection: 35
Shahriar Zehtabchi
Metrics
H-Index
i10 Index
Citation Counts
31
66
3,266
Neurological emergencies
Trauma
Traumatic Brain Injury
Rankings
Ranking Based On Selection: 36
Chella Kamarajan
Metrics
H-Index
i10 Index
Citation Counts
30
58
3,558
Rankings
Ranking Based On Selection: 38
Ira Kass
Metrics
H-Index
i10 Index
Citation Counts
29
49
2,950
Rankings
Ranking Based On Selection: 40
Raavi Gupta
Metrics
H-Index
i10 Index
Citation Counts
27
77
3,313
Hematopathology
Immunology and Cancer biology
Rankings
Ranking Based On Selection: 41
John Hartung
Metrics
H-Index
i10 Index
Citation Counts
27
50
3,201
Rankings
Ranking Based On Selection: 42
Shennan Weiss
Metrics
H-Index
i10 Index
Citation Counts
26
38
3,035
Rankings
Ranking Based On Selection: 43
Megan Hall
Metrics
H-Index
i10 Index
Citation Counts
26
33
2,213
Rankings
Ranking Based On Selection: 44
Rankings
Ranking Based On Selection: 46
Clotilde Balucani
Metrics
H-Index
i10 Index
Citation Counts
24
41
2,271
Neurology
Neurocritical Care
Cerebrovascular Disease
Stroke
Dementia
Rankings
Ranking Based On Selection: 47
Allen J Norin
Metrics
H-Index
i10 Index
Citation Counts
24
43
2,518
Rankings
Ranking Based On Selection: 48
Ashwini K Pandey
Metrics
H-Index
i10 Index
Citation Counts
22
29
1,396
Alcoholism
Electrophysiology
Neuroimaging
Inhibition
Emotion.
Rankings
Ranking Based On Selection: 49
Juan Marcos Alarcon
Metrics
H-Index
i10 Index
Citation Counts
22
26
4,152
Rankings
Ranking Based On Selection: 50
Janet Rosenbaum
Metrics
H-Index
i10 Index
Citation Counts
21
31
2,105
Rankings
Ranking Based On Selection: 52
Derek Ho
Metrics
H-Index
i10 Index
Citation Counts
20
31
1,298
Medical dermatology
cosmetic dermatology
dermatologic surgery
Rankings
Ranking Based On Selection: 53
Marlene Camacho Rivera
Metrics
H-Index
i10 Index
Citation Counts
20
28
1,561
social determinants of health
health equity
social epidemiology
Rankings
Ranking Based On Selection: 54
Salvador Dura Bernal
Metrics
H-Index
i10 Index
Citation Counts
20
32
1,791
Computational Neuroscience
Rankings
Ranking Based On Selection: 55
Amirhossein Moaddab
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,537
Advanced Cardiac Imaging
Rankings
Ranking Based On Selection: 56
Elizabeth P Helzner
Metrics
H-Index
i10 Index
Citation Counts
20
24
2,951
Chronic Disease Epidemiology
Epidemiology of Aging
Neuroepidemiology
Hearing Loss
Rankings
Ranking Based On Selection: 59
Sivan Kinreich
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,448
Machine learning applications
Neuroscience of addiction
social interaction and emotion regulation
Rankings
Ranking Based On Selection: 60
Roman Shinder
Metrics
H-Index
i10 Index
Citation Counts
19
38
1,236
ocular adnexal tumors
orbital disease
lacrimal disease
periocular trauma
Rankings
Ranking Based On Selection: 61
Nassim Matin
Metrics
H-Index
i10 Index
Citation Counts
18
26
1,152
Rankings
Ranking Based On Selection: 62
Jenny Libien
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,946
Rankings
Ranking Based On Selection: 63
Mehrdad Emami
Metrics
H-Index
i10 Index
Citation Counts
18
21
746
Vascular Neurology
Vasculitis
Neurosonology
Neuro-intervention
Rankings
Ranking Based On Selection: 64
Bonnie Arquilla
Metrics
H-Index
i10 Index
Citation Counts
18
29
1,507
Rankings
Ranking Based On Selection: 66
Maternal and Child Health Outcome
Health Disparities
Growth Curve Modeling
Quality Improvement
Learning Curve Assessment
Rankings
Ranking Based On Selection: 67
Ahmed Bakillah
Metrics
H-Index
i10 Index
Citation Counts
17
26
1,945
Cardiovascular diseases and Lipoprotein Metabolism
Rankings
Ranking Based On Selection: 68
Prem Premsrirut
Metrics
H-Index
i10 Index
Citation Counts
16
18
2,743
genetic engineering
cancer biology
cancer genetics
RNA interference
CRISPR/Cas gene editing
Rankings
Ranking Based On Selection: 69
Meghan T Walsh
Metrics
H-Index
i10 Index
Citation Counts
16
17
1,689
Rankings
Ranking Based On Selection: 71
Adam S Budzikowski
Metrics
H-Index
i10 Index
Citation Counts
16
24
932
Cardiac Electrophysiology
Rankings
Ranking Based On Selection: 72
Mohammad Fahim Kadir
Metrics
H-Index
i10 Index
Citation Counts
15
21
1,379
Atomic Force Microscopy
Eukaryotic translation
Ribosomal recycling
Ion channels
Ethnomedicine
Rankings
Ranking Based On Selection: 73
Robert G Alexander
Metrics
H-Index
i10 Index
Citation Counts
15
15
938
Visual Neuroscience
Perceptual Expertise
Medical Image Perception
Medical Errors
Saccades
Rankings
Ranking Based On Selection: 74
Aimee Afable
Metrics
H-Index
i10 Index
Citation Counts
15
17
1,393
urban health
immigrant health
diabetes
obesity
maternal health
Rankings
Ranking Based On Selection: 75
Brian Gale
Metrics
H-Index
i10 Index
Citation Counts
15
16
1,159
Rankings
Ranking Based On Selection: 76
Nikolaos Papamitsakis
Metrics
H-Index
i10 Index
Citation Counts
15
16
1,079
Acute Stroke Management
Neuroimaging
Stroke Prevention
Rankings
Ranking Based On Selection: 77
Malav Parikhfacp
Metrics
H-Index
i10 Index
Citation Counts
14
20
853
Rankings
Ranking Based On Selection: 78
Cancer
Cell biology
Epigenetics
Exosomes and Nanoformulations
Rankings
Ranking Based On Selection: 80
Azure Thompson
Metrics
H-Index
i10 Index
Citation Counts
14
15
1,111
substance use
tobacco use
mental health
health disparities
marginalization
Rankings
Ranking Based On Selection: 82
Laura A Geer
Metrics
H-Index
i10 Index
Citation Counts
14
15
1,175
environmental and occupational health sciences
climate and health
maternal and child health
Rankings
Ranking Based On Selection: 85
Rankings
Ranking Based On Selection: 86
Joyce Sabari
Metrics
H-Index
i10 Index
Citation Counts
14
16
811
Rankings
Ranking Based On Selection: 88
Ian S Desouza
Metrics
H-Index
i10 Index
Citation Counts
13
15
1,025
Rankings
Ranking Based On Selection: 89
Alexandra Zinoviev
Metrics
H-Index
i10 Index
Citation Counts
13
14
2,320
Rankings
Ranking Based On Selection: 90
Tade Souaiaia
Metrics
H-Index
i10 Index
Citation Counts
13
13
714
Next Generation Sequencing
Algorithms
Bayesian Statistics
Athletics
Rankings
Ranking Based On Selection: 93
Louis H Stein
Metrics
H-Index
i10 Index
Citation Counts
13
13
612
Adult Cardiac Surgery
Mechanical Circulatory Assist Device
Heart Transplant
Structural Heart
Rankings
Ranking Based On Selection: 94
Zhen Yu Zhou
Metrics
H-Index
i10 Index
Citation Counts
13
14
741
Neuroscience
Synaptic Mechanisms
Therapeutic study
Neurologic Diseases
Rankings
Ranking Based On Selection: 96
Rankings
Ranking Based On Selection: 99
Yeunpo Chiang
Metrics
H-Index
i10 Index
Citation Counts
11
13
717
Lipid Metabolism & Cancer Research