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 :1
Sophie Witter
International Health Financing and Health Systems
Metrics
H-Index
i10 Index
Citation
57
143
14,021
* Rankings
Ranking Based On Selection :3
Tom Mercer
exercise
physical activity
rehabilitation
physiology
renal
Metrics
H-Index
i10 Index
Citation
43
83
5,517
* Rankings
Ranking Based On Selection :7
Chris McVittie
Social psychology
discourse
conversation
qualitative methods
Metrics
H-Index
i10 Index
Citation
29
51
2,955
* Rankings
Ranking Based On Selection :8
Karina Kielmann
tuberculosis
HIV
medical anthropology
health systems research
Metrics
H-Index
i10 Index
Citation
27
51
2,266
* Rankings
Ranking Based On Selection :10
Fiona O May
Human resource management
alcohol brief interventions
Metrics
H-Index
i10 Index
Citation
26
44
2,023
* Rankings
Ranking Based On Selection :12
Pelagia Koufaki
Clinical Exercise Physiology
Exercise Rehabilitation
Physical Activity
Cardiovascular Health
Physical Fitness
Metrics
H-Index
i10 Index
Citation
23
33
2,419
* Rankings
Ranking Based On Selection :13
Claire Seaman
Family Business
Business Families
Innovation
Entrepreneurship
Enterprise
Metrics
H-Index
i10 Index
Citation
22
38
1,697
* Rankings
Ranking Based On Selection :14
Rebecca Finkel
critical event studies
festivals
gender
cultural identity
Metrics
H-Index
i10 Index
Citation
19
30
1,284
* Rankings
Ranking Based On Selection :15
Donald maciver
Occupational therapy
peadiatrics
inclusion
participation
Metrics
H-Index
i10 Index
Citation
19
28
1,506
* Rankings
Ranking Based On Selection :16
Marion Rutherford
Autism
prosody
diagnosis
interventions
Metrics
H-Index
i10 Index
Citation
16
19
1,971
* Rankings
Ranking Based On Selection :18
Iddo Oberski
Teaching
Learning
Assessment
Mindfulness
Contemplative practices
Metrics
H-Index
i10 Index
Citation
15
18
762
* Rankings
Ranking Based On Selection :19
Marcia Vera Espinoza
Migration
Refugee studies
Governance
Development
Social Connections
Metrics
H-Index
i10 Index
Citation
14
22
731
* Rankings
Ranking Based On Selection :20
O Sagan
critical psychology
phenomenology
narrative
mental wellbeing & resilience
Metrics
H-Index
i10 Index
Citation
14
18
626
* Rankings
Ranking Based On Selection :23
Margaret Coulter Smith
Osteoporosis
Critical Care Nursing
Complex Interventions
Multi-Methods & QualitativeResearch
Professional Education
Metrics
H-Index
i10 Index
Citation
13
18
10,966
* Rankings
Ranking Based On Selection :24
Paul I Kadetz
Global Health and Development
Medical Anthropology
Health Humanities
Antimicrobial Resistance
Climate Change
Metrics
H-Index
i10 Index
Citation
12
17
555
* Rankings
Ranking Based On Selection :26
Liz Ross
hearing loss
hearing impairment
acquired hearing loss
NHS audiology policy
employment and hearing loss
Metrics
H-Index
i10 Index
Citation
10
10
2,875
Lucas Néstor Sempé
health finance
evaluation
inequality
older people
human development
Metrics
H-Index
i10 Index
Citation
9
9
259
Lauren Smith
information literacy
critical pedagogy
widening participation
critical librarianship
Metrics
H-Index
i10 Index
Citation
8
8
380
Anusua Singh Roy
Statistical modelling
Survival analysis
Bayesian Statistics
Machine Learning
Design of
Metrics
H-Index
i10 Index
Citation
7
7
199
Eleanor Curnow
occupational therapy
participation
Metrics
H-Index
i10 Index
Citation
7
3
146
Ana Tominc
Food media&comms
cookbooks&lifestyle
early food TV
populism
nationalism
Metrics
H-Index
i10 Index
Citation
7
6
202
Stefania Paladini
Data Science
Space sector
Innovation
Non Traditional Security
Sustainability
Metrics
H-Index
i10 Index
Citation
7
5
207
Kamelia Chaichi
Hospitality
Tourism
Human resource
Business
Marketing
Metrics
H-Index
i10 Index
Citation
6
6
189
Vaibhav Tyagi
Creativity
Risk taking
Decision making
Numbers
Metrics
H-Index
i10 Index
Citation
6
4
234
Ian Finlayson
Psycholinguistics
Production
Comprehension
Dialogue
Anaphora
Metrics
H-Index
i10 Index
Citation
6
5
386
Zeina Jamal|Zeina M. Jamal, Z Jamal
public health
humanitarian crises
refugee health
social determinants of health
health systems
Metrics
H-Index
i10 Index
Citation
6
4
188
Margaret Hills De Zarate
ethnography
Arts Therapies
Italian
Spanish and Latin American studies
Metrics
H-Index
i10 Index
Citation
6
2
79
Cara Blaisdell
early childhood education and care
listening to young children
young children's rights
Metrics
H-Index
i10 Index
Citation
5
5
198
Dominique Glatt
dietetics
nutrition
vitamin D
musculoskeletal
cancer survivorship
Metrics
H-Index
i10 Index
Citation
4
4
180
Cornelia Heyde
Linguistics
Speech Sciences
Articulation
Ultrasound
Stuttering
Metrics
H-Index
i10 Index
Citation
4
3
181
Nicky Haire
Music therapy
arts-based research
music therapy with persons living with dementia
improvisation
Metrics
H-Index
i10 Index
Citation
3
3
65
Kristen K Knowles
social perception
political psychology
social cognition
experimental psychology
Metrics
H-Index
i10 Index
Citation
3
2
168
Myrto Dounavi
physiotherapy
rehabilitation
physical Activity
exercise
electrotherapy
Metrics
H-Index
i10 Index
Citation
2
2
55
Thomas Peschken-Holt
International Marketing
Marketing Strategy
Information Processing
Decision Making
Metrics
H-Index
i10 Index
Citation
2
1
45
Stephen C Scholes
Education Policy
History of Education
Curriculum
Inspection
Religious Education
Metrics
H-Index
i10 Index
Citation
2
0
17
Vanessa Lee
Theatre Studies
Caribbean Studies
Gender
Postcolonialism
Film Studies
Metrics
H-Index
i10 Index
Citation
2
0
13
Rankings
Ranking Based On Selection: 1
Sophie Witter
Metrics
H-Index
i10 Index
Citation Counts
57
143
14,021
International Health Financing and Health Systems
Rankings
Ranking Based On Selection: 2
Alastair Ager
Metrics
H-Index
i10 Index
Citation Counts
56
147
14,420
Rankings
Ranking Based On Selection: 3
Tom Mercer
Metrics
H-Index
i10 Index
Citation Counts
43
83
5,517
exercise
physical activity
rehabilitation
physiology
renal
Rankings
Ranking Based On Selection: 4
James M Scobbie
Metrics
H-Index
i10 Index
Citation Counts
41
88
5,011
Rankings
Ranking Based On Selection: 5
Jan Dewing
Metrics
H-Index
i10 Index
Citation Counts
34
78
6,473
Rankings
Ranking Based On Selection: 6
Marietta Van Der Linden
Metrics
H-Index
i10 Index
Citation Counts
33
58
3,727
Rankings
Ranking Based On Selection: 7
Chris McVittie
Metrics
H-Index
i10 Index
Citation Counts
29
51
2,955
Social psychology
discourse
conversation
qualitative methods
Rankings
Ranking Based On Selection: 8
Karina Kielmann
Metrics
H-Index
i10 Index
Citation Counts
27
51
2,266
tuberculosis
HIV
medical anthropology
health systems research
Rankings
Ranking Based On Selection: 9
Stephen Darling
Metrics
H-Index
i10 Index
Citation Counts
27
35
2,264
Rankings
Ranking Based On Selection: 10
Fiona O May
Metrics
H-Index
i10 Index
Citation Counts
26
44
2,023
Human resource management
alcohol brief interventions
Rankings
Ranking Based On Selection: 11
Pol De Vos
Metrics
H-Index
i10 Index
Citation Counts
24
45
1,972
Rankings
Ranking Based On Selection: 12
Pelagia Koufaki
Metrics
H-Index
i10 Index
Citation Counts
23
33
2,419
Clinical Exercise Physiology
Exercise Rehabilitation
Physical Activity
Cardiovascular Health
Physical Fitness
Rankings
Ranking Based On Selection: 13
Claire Seaman
Metrics
H-Index
i10 Index
Citation Counts
22
38
1,697
Family Business
Business Families
Innovation
Entrepreneurship
Enterprise
Rankings
Ranking Based On Selection: 14
Rebecca Finkel
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,284
critical event studies
festivals
gender
cultural identity
Rankings
Ranking Based On Selection: 15
Donald maciver
Metrics
H-Index
i10 Index
Citation Counts
19
28
1,506
Occupational therapy
peadiatrics
inclusion
participation
Rankings
Ranking Based On Selection: 16
Marion Rutherford
Metrics
H-Index
i10 Index
Citation Counts
16
19
1,971
Autism
prosody
diagnosis
interventions
Rankings
Ranking Based On Selection: 17
Felix Schaeffler
Metrics
H-Index
i10 Index
Citation Counts
16
20
957
Rankings
Ranking Based On Selection: 18
Iddo Oberski
Metrics
H-Index
i10 Index
Citation Counts
15
18
762
Teaching
Learning
Assessment
Mindfulness
Contemplative practices
Rankings
Ranking Based On Selection: 19
Marcia Vera Espinoza
Metrics
H-Index
i10 Index
Citation Counts
14
22
731
Migration
Refugee studies
Governance
Development
Social Connections
Rankings
Ranking Based On Selection: 20
O Sagan
Metrics
H-Index
i10 Index
Citation Counts
14
18
626
critical psychology
phenomenology
narrative
mental wellbeing & resilience
Rankings
Ranking Based On Selection: 21
Julien Lonchamp
Metrics
H-Index
i10 Index
Citation Counts
13
14
663
Rankings
Ranking Based On Selection: 22
Giorgos Tsiris
Metrics
H-Index
i10 Index
Citation Counts
13
18
582
Rankings
Ranking Based On Selection: 23
Margaret Coulter Smith
Metrics
H-Index
i10 Index
Citation Counts
13
18
10,966
Osteoporosis
Critical Care Nursing
Complex Interventions
Multi-Methods & QualitativeResearch
Professional Education
Rankings
Ranking Based On Selection: 24
Paul I Kadetz
Metrics
H-Index
i10 Index
Citation Counts
12
17
555
Global Health and Development
Medical Anthropology
Health Humanities
Antimicrobial Resistance
Climate Change
Rankings
Ranking Based On Selection: 25
David Stevenson
Metrics
H-Index
i10 Index
Citation Counts
10
11
436
Rankings
Ranking Based On Selection: 26
Liz Ross
Metrics
H-Index
i10 Index
Citation Counts
10
10
2,875
hearing loss
hearing impairment
acquired hearing loss
NHS audiology policy
employment and hearing loss
Rankings
Ranking Based On Selection: 27
Lucas Néstor Sempé
Metrics
H-Index
i10 Index
Citation Counts
9
9
259
health finance
evaluation
inequality
older people
human development
Rankings
Ranking Based On Selection: 28
Michelle Elliot
Metrics
H-Index
i10 Index
Citation Counts
9
9
240
Rankings
Ranking Based On Selection: 29
Stefanie Van De Peer
Metrics
H-Index
i10 Index
Citation Counts
9
8
291
Film
Middle East
women
documentaries
Rankings
Ranking Based On Selection: 30
Gail Carin Levy
Metrics
H-Index
i10 Index
Citation Counts
8
8
603
Rankings
Ranking Based On Selection: 31
Lauren Smith
Metrics
H-Index
i10 Index
Citation Counts
8
8
380
information literacy
critical pedagogy
widening participation
critical librarianship
Rankings
Ranking Based On Selection: 32
Giulia Loffreda
Metrics
H-Index
i10 Index
Citation Counts
8
5
264
Rankings
Ranking Based On Selection: 33
Emma Wood
Metrics
H-Index
i10 Index
Citation Counts
8
7
246
Rankings
Ranking Based On Selection: 34
Anusua Singh Roy
Metrics
H-Index
i10 Index
Citation Counts
7
7
199
Statistical modelling
Survival analysis
Bayesian Statistics
Machine Learning
Design of
Rankings
Ranking Based On Selection: 35
Eleanor Curnow
Metrics
H-Index
i10 Index
Citation Counts
7
3
146
occupational therapy
participation
Rankings
Ranking Based On Selection: 36
Ana Tominc
Metrics
H-Index
i10 Index
Citation Counts
7
6
202
Food media&comms
cookbooks&lifestyle
early food TV
populism
nationalism
Rankings
Ranking Based On Selection: 37
Stefania Paladini
Metrics
H-Index
i10 Index
Citation Counts
7
5
207
Data Science
Space sector
Innovation
Non Traditional Security
Sustainability
Rankings
Ranking Based On Selection: 38
Kamelia Chaichi
Metrics
H-Index
i10 Index
Citation Counts
6
6
189
Hospitality
Tourism
Human resource
Business
Marketing
Rankings
Ranking Based On Selection: 39
Vaibhav Tyagi
Metrics
H-Index
i10 Index
Citation Counts
6
4
234
Creativity
Risk taking
Decision making
Numbers
Rankings
Ranking Based On Selection: 40
Ian Finlayson
Metrics
H-Index
i10 Index
Citation Counts
6
5
386
Psycholinguistics
Production
Comprehension
Dialogue
Anaphora
Rankings
Ranking Based On Selection: 41
Zeina Jamal|Zeina M. Jamal, Z Jamal
Metrics
H-Index
i10 Index
Citation Counts
6
4
188
public health
humanitarian crises
refugee health
social determinants of health
health systems
Rankings
Ranking Based On Selection: 42
Margaret Hills De Zarate
Metrics
H-Index
i10 Index
Citation Counts
6
2
79
ethnography
Arts Therapies
Italian
Spanish and Latin American studies
Rankings
Ranking Based On Selection: 43
Cara Blaisdell
Metrics
H-Index
i10 Index
Citation Counts
5
5
198
early childhood education and care
listening to young children
young children's rights
Rankings
Ranking Based On Selection: 44
Dominique Glatt
Metrics
H-Index
i10 Index
Citation Counts
4
4
180
dietetics
nutrition
vitamin D
musculoskeletal
cancer survivorship
Rankings
Ranking Based On Selection: 45
Cornelia Heyde
Metrics
H-Index
i10 Index
Citation Counts
4
3
181
Linguistics
Speech Sciences
Articulation
Ultrasound
Stuttering
Rankings
Ranking Based On Selection: 46
Susan Lloyd
Metrics
H-Index
i10 Index
Citation Counts
4
2
125
Rankings
Ranking Based On Selection: 47
Stephen Jannetts
Metrics
H-Index
i10 Index
Citation Counts
4
2
160
Rankings
Ranking Based On Selection: 48
Nicky Haire
Metrics
H-Index
i10 Index
Citation Counts
3
3
65
Music therapy
arts-based research
music therapy with persons living with dementia
improvisation
Rankings
Ranking Based On Selection: 49
Kristen K Knowles
Metrics
H-Index
i10 Index
Citation Counts
3
2
168
social perception
political psychology
social cognition
experimental psychology
Rankings
Ranking Based On Selection: 50
Nazia Pathan
Metrics
H-Index
i10 Index
Citation Counts
3
0
21
Machine Learning
Data Science
Medical Data Analysis
Rankings
Ranking Based On Selection: 51
Myrto Dounavi
Metrics
H-Index
i10 Index
Citation Counts
2
2
55
physiotherapy
rehabilitation
physical Activity
exercise
electrotherapy
Rankings
Ranking Based On Selection: 52
Thomas Peschken-Holt
Metrics
H-Index
i10 Index
Citation Counts
2
1
45
International Marketing
Marketing Strategy
Information Processing
Decision Making
Rankings
Ranking Based On Selection: 53
Suzie Dick
Metrics
H-Index
i10 Index
Citation Counts
2
1
15
Rankings
Ranking Based On Selection: 54
Stephen C Scholes
Metrics
H-Index
i10 Index
Citation Counts
2
0
17
Education Policy
History of Education
Curriculum
Inspection
Religious Education
Rankings
Ranking Based On Selection: 55
Vanessa Lee
Metrics
H-Index
i10 Index
Citation Counts
2
0
13
Theatre Studies
Caribbean Studies
Gender
Postcolonialism
Film Studies
Rankings
Ranking Based On Selection: 56
Linnea Wallen
Metrics
H-Index
i10 Index
Citation Counts
1
1
13