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" (941,641 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: 2
Douglas Boreham
Radiation Biology
Low Dose Health Effects
Adaptive Responses
Metrics
H-Index
i10 Index
Citation
41
110
4,603
* Rankings
Ranking Based On Selection: 3
Zacharias Suntres
Toxicology
Antioxidants
Natural Products
Drug Delivery Systems
Metrics
H-Index
i10 Index
Citation
39
64
6,137
* Rankings
Ranking Based On Selection: 4
Brian M Ross
Neuroscience
analytical chemistry
medical education
curriculum studies
place and education
Metrics
H-Index
i10 Index
Citation
35
70
3,786
* Rankings
Ranking Based On Selection: 6
Md Badruz Zaman
materials chemistry
organic chemistry
inorganic chemistry
supramolecular chemistry
crystal
Metrics
H-Index
i10 Index
Citation
32
47
2,808
* Rankings
Ranking Based On Selection: 7
Alexander R Moise
carotenoids
retinoids
vitamin A
Metrics
H-Index
i10 Index
Citation
31
41
3,916

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* Rankings
Ranking Based On Selection: 12
Victor Clulow
mammals reproduction populations radioactivity
Metrics
H-Index
i10 Index
Citation
19
27
1,184
* Rankings
Ranking Based On Selection: 15
David Musson
Medical Education
Spaceflight Medicine
AI in Medicine
Medical Simulation
Metrics
H-Index
i10 Index
Citation
15
20
1,247
* Rankings
Ranking Based On Selection: 19
Brianne Wood
learning health systems
rural health
social accountability
epidemiology
Metrics
H-Index
i10 Index
Citation
11
14
434
* Rankings
Ranking Based On Selection: 20
Michael J Ravenek
Chronic Disease
Qualitative Research
Parkinson's Disease
Occupational Therapy
Technology
Metrics
H-Index
i10 Index
Citation
10
11
569
* Rankings
Ranking Based On Selection: 24
David Savage
Emergency Medicine
Health Systems Analysis
Health Human Resource Planning
Pre-hospital Medicine
Metrics
H-Index
i10 Index
Citation
9
8
417
* Rankings
Ranking Based On Selection: 27
Teresa Naseba Marsh
Psychotherapy
Trauma
Addiction
Indigenous Health
Metrics
H-Index
i10 Index
Citation
8
7
585
* Rankings
Ranking Based On Selection: 29
Adam MB Day
restorative environments
human-nature-health connections
natural environmental factors
health
well-being
Metrics
H-Index
i10 Index
Citation
7
7
363
* Rankings
Ranking Based On Selection: 31
Aaron Ruberto
Resuscitation Medicine
Cognitive Load Theory
Situation Awareness
Heuristics
Simulation
Metrics
H-Index
i10 Index
Citation
6
6
163
* Rankings
Ranking Based On Selection: 36
Mohamed Abbasy
Emergency Medicine
Life Support
PoCUS
Airway Management
Medical Education
Metrics
H-Index
i10 Index
Citation
4
1
36
* Rankings
Ranking Based On Selection: 37
Lydia Mychaltchouk
general surgery
trauma surgery
global surgery
environmental sustainability
anthropology
Metrics
H-Index
i10 Index
Citation
3
2
65
* Rankings
Ranking Based On Selection: 38
Gabrielle Bruser
Global health
health equity
healthcare
geography
infectious disease
Metrics
H-Index
i10 Index
Citation
3
0
17
Rankings
Ranking Based On Selection: 1
David Marsh
Metrics
H-Index
i10 Index
Citation Counts
49
129
8,359
Rankings
Ranking Based On Selection: 2
Douglas Boreham
Metrics
H-Index
i10 Index
Citation Counts
41
110
4,603
Radiation Biology
Low Dose Health Effects
Adaptive Responses
Rankings
Ranking Based On Selection: 3
Zacharias Suntres
Metrics
H-Index
i10 Index
Citation Counts
39
64
6,137
Toxicology
Antioxidants
Natural Products
Drug Delivery Systems
Rankings
Ranking Based On Selection: 4
Brian M Ross
Metrics
H-Index
i10 Index
Citation Counts
35
70
3,786
Neuroscience
analytical chemistry
medical education
curriculum studies
place and education
Rankings
Ranking Based On Selection: 5
Ioannis Voutsadakis
Metrics
H-Index
i10 Index
Citation Counts
34
108
3,782
Rankings
Ranking Based On Selection: 6
Md Badruz Zaman
Metrics
H-Index
i10 Index
Citation Counts
32
47
2,808
materials chemistry
organic chemistry
inorganic chemistry
supramolecular chemistry
crystal
Rankings
Ranking Based On Selection: 7
Alexander R Moise
Metrics
H-Index
i10 Index
Citation Counts
31
41
3,916
carotenoids
retinoids
vitamin A
Rankings
Ranking Based On Selection: 8
Simon Lees
Metrics
H-Index
i10 Index
Citation Counts
28
43
3,184
Rankings
Ranking Based On Selection: 9
Marion Maar
Metrics
H-Index
i10 Index
Citation Counts
28
39
1,877

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
Natalie Lefort
Metrics
H-Index
i10 Index
Citation Counts
19
20
1,644
Rankings
Ranking Based On Selection: 12
Victor Clulow
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,184
mammals reproduction populations radioactivity
Rankings
Ranking Based On Selection: 13
Sandhya Khurana
Metrics
H-Index
i10 Index
Citation Counts
18
24
1,883
Rankings
Ranking Based On Selection: 14
Robert Ohle
Metrics
H-Index
i10 Index
Citation Counts
17
25
2,150
Rankings
Ranking Based On Selection: 15
David Musson
Metrics
H-Index
i10 Index
Citation Counts
15
20
1,247
Medical Education
Spaceflight Medicine
AI in Medicine
Medical Simulation
Rankings
Ranking Based On Selection: 16
Christopher Thome
Metrics
H-Index
i10 Index
Citation Counts
14
16
517
Rankings
Ranking Based On Selection: 17
Sean C Thomas
Metrics
H-Index
i10 Index
Citation Counts
13
14
624
Rankings
Ranking Based On Selection: 18
Amer Alaref
Metrics
H-Index
i10 Index
Citation Counts
11
11
381
Breast and body imaging
Rankings
Ranking Based On Selection: 19
Brianne Wood
Metrics
H-Index
i10 Index
Citation Counts
11
14
434
learning health systems
rural health
social accountability
epidemiology
Rankings
Ranking Based On Selection: 20
Michael J Ravenek
Metrics
H-Index
i10 Index
Citation Counts
10
11
569
Chronic Disease
Qualitative Research
Parkinson's Disease
Occupational Therapy
Technology
Rankings
Ranking Based On Selection: 21
Jari M Tuomi
Metrics
H-Index
i10 Index
Citation Counts
10
10
828
Rankings
Ranking Based On Selection: 22
Eli Nix
Metrics
H-Index
i10 Index
Citation Counts
10
10
571
Rankings
Ranking Based On Selection: 23
Lorrilee Mcgregor
Metrics
H-Index
i10 Index
Citation Counts
9
9
332
Indigenous peoples' health
Rankings
Ranking Based On Selection: 24
David Savage
Metrics
H-Index
i10 Index
Citation Counts
9
8
417
Emergency Medicine
Health Systems Analysis
Health Human Resource Planning
Pre-hospital Medicine
Rankings
Ranking Based On Selection: 25
Walid Shahrour
Metrics
H-Index
i10 Index
Citation Counts
9
8
392
Rankings
Ranking Based On Selection: 26
Ryan Tonkens
Metrics
H-Index
i10 Index
Citation Counts
9
9
445
Rankings
Ranking Based On Selection: 27
Teresa Naseba Marsh
Metrics
H-Index
i10 Index
Citation Counts
8
7
585
Psychotherapy
Trauma
Addiction
Indigenous Health
Rankings
Ranking Based On Selection: 28
Daniel Dalcin
Metrics
H-Index
i10 Index
Citation Counts
7
6
172
Rankings
Ranking Based On Selection: 29
Adam MB Day
Metrics
H-Index
i10 Index
Citation Counts
7
7
363
restorative environments
human-nature-health connections
natural environmental factors
health
well-being
Rankings
Ranking Based On Selection: 30
Justin Roy
Metrics
H-Index
i10 Index
Citation Counts
6
6
169
Rankings
Ranking Based On Selection: 31
Aaron Ruberto
Metrics
H-Index
i10 Index
Citation Counts
6
6
163
Resuscitation Medicine
Cognitive Load Theory
Situation Awareness
Heuristics
Simulation
Rankings
Ranking Based On Selection: 32
Daenis Camire
Metrics
H-Index
i10 Index
Citation Counts
6
1
67
Rankings
Ranking Based On Selection: 33
Kraig Worrall
Metrics
H-Index
i10 Index
Citation Counts
6
5
250
Rankings
Ranking Based On Selection: 34
Nastasia Wasilewski
Metrics
H-Index
i10 Index
Citation Counts
6
4
72
Rankings
Ranking Based On Selection: 35
Robert Barnett
Metrics
H-Index
i10 Index
Citation Counts
5
5
102
Rankings
Ranking Based On Selection: 36
Mohamed Abbasy
Metrics
H-Index
i10 Index
Citation Counts
4
1
36
Emergency Medicine
Life Support
PoCUS
Airway Management
Medical Education
Rankings
Ranking Based On Selection: 37
Lydia Mychaltchouk
Metrics
H-Index
i10 Index
Citation Counts
3
2
65
general surgery
trauma surgery
global surgery
environmental sustainability
anthropology
Rankings
Ranking Based On Selection: 38
Gabrielle Bruser
Metrics
H-Index
i10 Index
Citation Counts
3
0
17
Global health
health equity
healthcare
geography
infectious disease
Rankings
Ranking Based On Selection: 39
Diane Bannon
Metrics
H-Index
i10 Index
Citation Counts
1
1
83
medicine
indigenous studies
Rankings
Ranking Based On Selection: 40
Jonathan Neil
Metrics
H-Index
i10 Index
Citation Counts
1
1
62
Rankings
Ranking Based On Selection: 41
Tahereh Haji
Metrics
H-Index
i10 Index
Citation Counts
1
1
19
Rankings
Ranking Based On Selection: 42
Himath Jayasinghe
Metrics
H-Index
i10 Index
Citation Counts
1
0
8
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