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" (873,864 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
Cathy Bennett
Evidence-based medicine
systematic reviews
clinical guidelines
Cochrane Collaboration
Metrics
H-Index
i10 Index
Citation
48
59
12,498
* Rankings
Ranking Based On Selection :3
Annie Curtis
inflammation and metabolism
circadian clock
inflammatory disease
Metrics
H-Index
i10 Index
Citation
34
44
10,356
* Rankings
Ranking Based On Selection :4
Grace O Malley
obesity
paediatrics
physical fitness and function
physical activity
telehealth
Metrics
H-Index
i10 Index
Citation
23
37
2,628
* Rankings
Ranking Based On Selection :5
Ghufran Jassim
Women health
breast cancer
Cervical cancer
medical education
Metrics
H-Index
i10 Index
Citation
19
25
1,520
* Rankings
Ranking Based On Selection :6
Maria Boyle
Microbiology
Translational research
disinfection
SODIS
Metrics
H-Index
i10 Index
Citation
16
17
1,243
* Rankings
Ranking Based On Selection :8
Michael B Keogh
regenerative medicine and stem cell research
Metrics
H-Index
i10 Index
Citation
13
15
880
* Rankings
Ranking Based On Selection :11
Cansu Gorgun
Regenerative medicine
Extracellular vesicle
Stem cells
MSCs
Metrics
H-Index
i10 Index
Citation
9
9
924
* Rankings
Ranking Based On Selection :15
Steven G. Fagan
Neuroscience
Epilepsy
tRNA-fragments
Biomarkers
Metrics
H-Index
i10 Index
Citation
8
8
377
* Rankings
Ranking Based On Selection :16
Catherine Bruen
Medical Education
Digital enhanced learning
virtual patient simulations
Technology Enhance Learning
Metrics
H-Index
i10 Index
Citation
8
5
332
* Rankings
Ranking Based On Selection :22
Uzair Malik
Medicine
Geriatric Oncology
Sleep Medicine
Respirology
Metrics
H-Index
i10 Index
Citation
4
3
64
* Rankings
Ranking Based On Selection :23
Bhairavi Sawant
Solar Water Disinfection
water quality analysis
Metrics
H-Index
i10 Index
Citation
4
2
100
* Rankings
Ranking Based On Selection :26
Sandeep Chenna
Neurodegeneration
ODE Modelling
Data Mining
Metabolism
Metrics
H-Index
i10 Index
Citation
2
1
51
Rankings
Ranking Based On Selection: 1
Stephen Atkin
Metrics
H-Index
i10 Index
Citation Counts
82
356
23,970
Rankings
Ranking Based On Selection: 2
Cathy Bennett
Metrics
H-Index
i10 Index
Citation Counts
48
59
12,498
Evidence-based medicine
systematic reviews
clinical guidelines
Cochrane Collaboration
Rankings
Ranking Based On Selection: 3
Annie Curtis
Metrics
H-Index
i10 Index
Citation Counts
34
44
10,356
inflammation and metabolism
circadian clock
inflammatory disease
Rankings
Ranking Based On Selection: 4
Grace O Malley
Metrics
H-Index
i10 Index
Citation Counts
23
37
2,628
obesity
paediatrics
physical fitness and function
physical activity
telehealth
Rankings
Ranking Based On Selection: 5
Women health
breast cancer
Cervical cancer
medical education
Rankings
Ranking Based On Selection: 6
Maria Boyle
Metrics
H-Index
i10 Index
Citation Counts
16
17
1,243
Microbiology
Translational research
disinfection
SODIS
Rankings
Ranking Based On Selection: 7
HIV latency
COVID
EBV and lymphomas
Rankings
Ranking Based On Selection: 8
regenerative medicine and stem cell research
Rankings
Ranking Based On Selection: 9
Sarah Macisaac
Metrics
H-Index
i10 Index
Citation Counts
10
10
429
Rankings
Ranking Based On Selection: 10
Fiona O'Brien
Metrics
H-Index
i10 Index
Citation Counts
10
11
387
Rankings
Ranking Based On Selection: 11
Cansu Gorgun
Metrics
H-Index
i10 Index
Citation Counts
9
9
924
Regenerative medicine
Extracellular vesicle
Stem cells
MSCs
Rankings
Ranking Based On Selection: 12
diabetes
physical activity
rehabilitation
Rankings
Ranking Based On Selection: 13
Alex Vincent
Metrics
H-Index
i10 Index
Citation Counts
8
8
575
Rankings
Ranking Based On Selection: 14
Ciaran Campbell
Metrics
H-Index
i10 Index
Citation Counts
8
8
450
Rankings
Ranking Based On Selection: 15
Steven G. Fagan
Metrics
H-Index
i10 Index
Citation Counts
8
8
377
Neuroscience
Epilepsy
tRNA-fragments
Biomarkers
Rankings
Ranking Based On Selection: 16
Catherine Bruen
Metrics
H-Index
i10 Index
Citation Counts
8
5
332
Medical Education
Digital enhanced learning
virtual patient simulations
Technology Enhance Learning
Rankings
Ranking Based On Selection: 17
Ishan Antony
Metrics
H-Index
i10 Index
Citation Counts
7
5
168
Medicine
Gastroenterology
Rankings
Ranking Based On Selection: 19
Jessica Atef Nassef Sefen
Metrics
H-Index
i10 Index
Citation Counts
5
3
437
Rankings
Ranking Based On Selection: 20
Fathi Moustafa
Metrics
H-Index
i10 Index
Citation Counts
4
3
72
General and Vascular Surgery
Rankings
Ranking Based On Selection: 21
Jonathan Shpigelman
Metrics
H-Index
i10 Index
Citation Counts
4
3
69
Rankings
Ranking Based On Selection: 22
Uzair Malik
Metrics
H-Index
i10 Index
Citation Counts
4
3
64
Medicine
Geriatric Oncology
Sleep Medicine
Respirology
Rankings
Ranking Based On Selection: 23
Bhairavi Sawant
Metrics
H-Index
i10 Index
Citation Counts
4
2
100
Solar Water Disinfection
water quality analysis
Rankings
Ranking Based On Selection: 24
Varun Muddaluru
Metrics
H-Index
i10 Index
Citation Counts
4
1
69
Rankings
Ranking Based On Selection: 25
Dalal Alarabi
Metrics
H-Index
i10 Index
Citation Counts
3
2
32
Rankings
Ranking Based On Selection: 26
Sandeep Chenna
Metrics
H-Index
i10 Index
Citation Counts
2
1
51
Neurodegeneration
ODE Modelling
Data Mining
Metabolism
Rankings
Ranking Based On Selection: 27
Anna Blümel
Metrics
H-Index
i10 Index
Citation Counts
2
1
29
Rankings
Ranking Based On Selection: 28
Early cancer detection
Risk prediction
Routine GP data
Rankings
Ranking Based On Selection: 29
Ali Alsahlanee
Metrics
H-Index
i10 Index
Citation Counts
1
1
64
Rankings
Ranking Based On Selection: 30
Jacqueline Rano
Metrics
H-Index
i10 Index
Citation Counts
1
1
27
Trauma & Sports Medicine
Rankings
Ranking Based On Selection: 31
Kristina Brown
Metrics
H-Index
i10 Index
Citation Counts
1
1
15
Rankings
Ranking Based On Selection: 32
Carter Zides
Metrics
H-Index
i10 Index
Citation Counts
1
1
12
Rankings
Ranking Based On Selection: 33
Ahmed Barakat
Metrics
H-Index
i10 Index
Citation Counts
1
1
12
Rankings
Ranking Based On Selection: 34
Tao Xu
Metrics
H-Index
i10 Index
Citation Counts
1
0
5