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” (1,120,277 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: 4
Holger Schünemann
GRADE
Recommendations
Knowledge Synthesis
Systematic Reviews
Guideline
Metrics
 
H-Index
i10 Index
Citation
202
827
357,510
* 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
160
746
149,356
* Rankings
Ranking Based On Selection: 10
Stuart M Phillips
skeletal muscle
dietary protein
aging
strength
sarcopeni
Metrics
 
H-Index
i10 Index
Citation
145
382
72,549
* Rankings
Ranking Based On Selection: 12
Moayyedi Paul
Gastroenterology
Medicine
Evidence Based Medicin
Metrics
 
H-Index
i10 Index
Citation
143
383
86,710
* Rankings
Ranking Based On Selection: 14
Hertzel Gerstein
diabetes
dysglycemia
clinical trials
cardiovascula
Metrics
 
H-Index
i10 Index
Citation
140
442
131,577
* Rankings
Ranking Based On Selection: 16
Stephen Walter
Statistics
Biostatistics
clinical epidemiology
public healt
Metrics
 
H-Index
i10 Index
Citation
135
440
96,399
* Rankings
Ranking Based On Selection: 17
R Brian Haynes
clinical epidemiology
evidence-based knowledge translatio
Metrics
 
H-Index
i10 Index
Citation
133
465
149,401
* Rankings
Ranking Based On Selection: 18
Paul O Byrne
Respirology
Asthma
Allerg
Metrics
 
H-Index
i10 Index
Citation
129
493
73,490
* 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
124
816
75,708
* Rankings
Ranking Based On Selection: 21
Anand S
Vascular medicine
ethnicity
population healt
Metrics
 
H-Index
i10 Index
Citation
124
420
172,157
* Rankings
Ranking Based On Selection: 22
David Streiner
Research methods
quality of life
statistic
Metrics
 
H-Index
i10 Index
Citation
124
444
88,103
* Rankings
Ranking Based On Selection: 23
Jack Gauldie
Immunology
Inflammation and Vaccine
Metrics
 
H-Index
i10 Index
Citation
118
385
51,812
* Rankings
Ranking Based On Selection: 24
Joseph Beyene
Biostatistical modelling
statistical genomics
meta-analysi
Metrics
 
H-Index
i10 Index
Citation
112
314
110,357
* Rankings
Ranking Based On Selection: 25
Mary Law
Occupational Therapy
Childhood Disabilit
Metrics
 
H-Index
i10 Index
Citation
112
323
48,595
Rankings
Ranking Based On Selection: 1
Gordon Guyatt
Metrics
 
H-Index
i10 Index
Citation Counts
304
1,687
604,295
Rankings
Ranking Based On Selection: 2
Salim Yusuf
Metrics
 
H-Index
i10 Index
Citation Counts
302
1,414
524,868
Rankings
Ranking Based On Selection: 3
Deborah Cook
Metrics
 
H-Index
i10 Index
Citation Counts
203
860
338,779
Rankings
Ranking Based On Selection: 4
Holger Schünemann
Metrics
 
H-Index
i10 Index
Citation Counts
202
827
357,510
GRADE
Recommendations
Knowledge Synthesis
Systematic Reviews
Guideline
Rankings
Ranking Based On Selection: 5
Jack Hirsh
Metrics
 
H-Index
i10 Index
Citation Counts
183
803
253,513
Rankings
Ranking Based On Selection: 6
Stuart J Connolly
Metrics
 
H-Index
i10 Index
Citation Counts
178
641
208,582
Rankings
Ranking Based On Selection: 7
Henry A Giroux
Metrics
 
H-Index
i10 Index
Citation Counts
160
746
149,356
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
674
212,994
Rankings
Ranking Based On Selection: 9
Mark Tarnopolsky
Metrics
 
H-Index
i10 Index
Citation Counts
146
517
75,911
Rankings
Ranking Based On Selection: 10
Stuart M Phillips
Metrics
 
H-Index
i10 Index
Citation Counts
145
382
72,549
skeletal muscle
dietary protein
aging
strength
sarcopeni
Rankings
Ranking Based On Selection: 11
Jeffrey Weitz
Metrics
 
H-Index
i10 Index
Citation Counts
145
644
110,598
Rankings
Ranking Based On Selection: 12
Moayyedi Paul
Metrics
 
H-Index
i10 Index
Citation Counts
143
383
86,710
Rankings
Ranking Based On Selection: 13
Mohit Bhandari
Metrics
 
H-Index
i10 Index
Citation Counts
141
749
75,053
Rankings
Ranking Based On Selection: 14
Hertzel Gerstein
Metrics
 
H-Index
i10 Index
Citation Counts
140
442
131,577
diabetes
dysglycemia
clinical trials
cardiovascula
Rankings
Ranking Based On Selection: 15
Mark Crowther
Metrics
 
H-Index
i10 Index
Citation Counts
139
540
94,228
Rankings
Ranking Based On Selection: 16
Stephen Walter
Metrics
 
H-Index
i10 Index
Citation Counts
135
440
96,399
Statistics
Biostatistics
clinical epidemiology
public healt
Rankings
Ranking Based On Selection: 17
R Brian Haynes
Metrics
 
H-Index
i10 Index
Citation Counts
133
465
149,401
Rankings
Ranking Based On Selection: 18
Paul O Byrne
Metrics
 
H-Index
i10 Index
Citation Counts
129
493
73,490
Rankings
Ranking Based On Selection: 19
PJ Devereaux
Metrics
 
H-Index
i10 Index
Citation Counts
126
437
378,635
Rankings
Ranking Based On Selection: 20
Lehana Thabane
Metrics
 
H-Index
i10 Index
Citation Counts
124
816
75,708
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
124
420
172,157
Vascular medicine
ethnicity
population healt
Rankings
Ranking Based On Selection: 22
David Streiner
Metrics
 
H-Index
i10 Index
Citation Counts
124
444
88,103
Research methods
quality of life
statistic
Rankings
Ranking Based On Selection: 23
Jack Gauldie
Metrics
 
H-Index
i10 Index
Citation Counts
118
385
51,812
Rankings
Ranking Based On Selection: 24
Joseph Beyene
Metrics
 
H-Index
i10 Index
Citation Counts
112
314
110,357
Biostatistical modelling
statistical genomics
meta-analysi
Rankings
Ranking Based On Selection: 25
Mary Law
Metrics
 
H-Index
i10 Index
Citation Counts
112
323
48,595
Occupational Therapy
Childhood Disabilit