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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,241 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 3
Holger Schünemann
GRADE
Recommendations
Knowledge Synthesis
Systematic Reviews
Guideline
Metrics
 
H-Index
i10 Index
Citation
204
840
362,815
* Rankings
Ranking Based On Selection: 7
Henry A Giroux
higher education
youth studies
social theory
critical pedagogy
cultural studie
Metrics
 
H-Index
i10 Index
Citation
161
747
150,731
* Rankings
Ranking Based On Selection: 9
Stuart M Phillips
skeletal muscle
dietary protein
aging
strength
sarcopeni
Metrics
 
H-Index
i10 Index
Citation
146
386
73,699
* Rankings
Ranking Based On Selection: 12
Moayyedi Paul
Gastroenterology
Medicine
Evidence Based Medicin
Metrics
 
H-Index
i10 Index
Citation
144
389
87,887
* Rankings
Ranking Based On Selection: 14
Hertzel Gerstein
diabetes
dysglycemia
clinical trials
cardiovascula
Metrics
 
H-Index
i10 Index
Citation
140
444
132,928
* Rankings
Ranking Based On Selection: 16
Stephen Walter
Statistics
Biostatistics
clinical epidemiology
public healt
Metrics
 
H-Index
i10 Index
Citation
135
440
97,064
* Rankings
Ranking Based On Selection: 17
R Brian Haynes
clinical epidemiology
evidence-based knowledge translatio
Metrics
 
H-Index
i10 Index
Citation
133
464
150,212
* Rankings
Ranking Based On Selection: 18
Paul O Byrne
Respirology
Asthma
Allerg
Metrics
 
H-Index
i10 Index
Citation
130
496
74,098
* Rankings
Ranking Based On Selection: 20
Lehana Thabane
Biostatistics
Clinical Trials
Outcomes Research
Health Services Research
Methods for Evidence Synthesi
Metrics
 
H-Index
i10 Index
Citation
126
824
77,191
* Rankings
Ranking Based On Selection: 21
Anand S
Vascular medicine
ethnicity
population healt
Metrics
 
H-Index
i10 Index
Citation
125
425
173,645
* Rankings
Ranking Based On Selection: 22
David Streiner
Research methods
quality of life
statistic
Metrics
 
H-Index
i10 Index
Citation
124
448
88,883
* Rankings
Ranking Based On Selection: 23
Jack Gauldie
Immunology
Inflammation and Vaccine
Metrics
 
H-Index
i10 Index
Citation
118
385
52,035
* Rankings
Ranking Based On Selection: 25
Joseph Beyene
Biostatistical modelling
statistical genomics
meta-analysi
Metrics
 
H-Index
i10 Index
Citation
112
316
111,279
Rankings
Ranking Based On Selection: 1
Gordon Guyatt
Metrics
 
H-Index
i10 Index
Citation Counts
305
1,703
612,656
Rankings
Ranking Based On Selection: 2
Salim Yusuf
Metrics
 
H-Index
i10 Index
Citation Counts
304
1,425
529,369
Rankings
Ranking Based On Selection: 3
Holger Schünemann
Metrics
 
H-Index
i10 Index
Citation Counts
204
840
362,815
GRADE
Recommendations
Knowledge Synthesis
Systematic Reviews
Guideline
Rankings
Ranking Based On Selection: 4
Deborah Cook
Metrics
 
H-Index
i10 Index
Citation Counts
203
863
343,090
Rankings
Ranking Based On Selection: 5
Jack Hirsh
Metrics
 
H-Index
i10 Index
Citation Counts
183
804
254,650
Rankings
Ranking Based On Selection: 6
Stuart J Connolly
Metrics
 
H-Index
i10 Index
Citation Counts
179
642
210,053
Rankings
Ranking Based On Selection: 7
Henry A Giroux
Metrics
 
H-Index
i10 Index
Citation Counts
161
747
150,731
higher education
youth studies
social theory
critical pedagogy
cultural studie
Rankings
Ranking Based On Selection: 8
John Eikelboom
Metrics
 
H-Index
i10 Index
Citation Counts
147
680
214,779
Rankings
Ranking Based On Selection: 9
Stuart M Phillips
Metrics
 
H-Index
i10 Index
Citation Counts
146
386
73,699
skeletal muscle
dietary protein
aging
strength
sarcopeni
Rankings
Ranking Based On Selection: 10
Mark Tarnopolsky
Metrics
 
H-Index
i10 Index
Citation Counts
146
518
76,677
Rankings
Ranking Based On Selection: 11
Jeffrey Weitz
Metrics
 
H-Index
i10 Index
Citation Counts
145
645
111,614
Rankings
Ranking Based On Selection: 12
Moayyedi Paul
Metrics
 
H-Index
i10 Index
Citation Counts
144
389
87,887
Rankings
Ranking Based On Selection: 13
Mohit Bhandari
Metrics
 
H-Index
i10 Index
Citation Counts
141
754
76,018
Rankings
Ranking Based On Selection: 14
Hertzel Gerstein
Metrics
 
H-Index
i10 Index
Citation Counts
140
444
132,928
diabetes
dysglycemia
clinical trials
cardiovascula
Rankings
Ranking Based On Selection: 15
Mark Crowther
Metrics
 
H-Index
i10 Index
Citation Counts
139
543
95,147
Rankings
Ranking Based On Selection: 16
Stephen Walter
Metrics
 
H-Index
i10 Index
Citation Counts
135
440
97,064
Statistics
Biostatistics
clinical epidemiology
public healt
Rankings
Ranking Based On Selection: 17
R Brian Haynes
Metrics
 
H-Index
i10 Index
Citation Counts
133
464
150,212
Rankings
Ranking Based On Selection: 18
Paul O Byrne
Metrics
 
H-Index
i10 Index
Citation Counts
130
496
74,098
Rankings
Ranking Based On Selection: 19
PJ Devereaux
Metrics
 
H-Index
i10 Index
Citation Counts
127
439
383,623
Rankings
Ranking Based On Selection: 20
Lehana Thabane
Metrics
 
H-Index
i10 Index
Citation Counts
126
824
77,191
Biostatistics
Clinical Trials
Outcomes Research
Health Services Research
Methods for Evidence Synthesi
Rankings
Ranking Based On Selection: 21
Anand S
Metrics
 
H-Index
i10 Index
Citation Counts
125
425
173,645
Vascular medicine
ethnicity
population healt
Rankings
Ranking Based On Selection: 22
David Streiner
Metrics
 
H-Index
i10 Index
Citation Counts
124
448
88,883
Research methods
quality of life
statistic
Rankings
Ranking Based On Selection: 23
Jack Gauldie
Metrics
 
H-Index
i10 Index
Citation Counts
118
385
52,035
Rankings
Ranking Based On Selection: 24
Geoffrey Norman
Metrics
 
H-Index
i10 Index
Citation Counts
113
316
79,245
Rankings
Ranking Based On Selection: 25
Joseph Beyene
Metrics
 
H-Index
i10 Index
Citation Counts
112
316
111,279
Biostatistical modelling
statistical genomics
meta-analysi