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" (873,937 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
Kevin R Murphy
psychometrics
performance appraisal
personnel assessment
statistics
Metrics
H-Index
i10 Index
Citation
73
173
31,752
* Rankings
Ranking Based On Selection :2
Orla Muldoon
Psychological Trauma
Political Psychology
Social Identity Approach
Metrics
H-Index
i10 Index
Citation
46
113
8,890
* Rankings
Ranking Based On Selection :3
Stephen Gallagher
Health Psychology
Stress
Social support
Caregiving
psychophysiology
Metrics
H-Index
i10 Index
Citation
44
90
6,062
* Rankings
Ranking Based On Selection :4
Eric Raymond Igou
Social Cognition
Decision Making
Experimental Existential Psychology
Metrics
H-Index
i10 Index
Citation
41
73
5,754
* Rankings
Ranking Based On Selection :5
Mark Campbell
Cognition in Action
Experimental Psychology
Visual Attention
Esport science
Neurocognition
Metrics
H-Index
i10 Index
Citation
36
60
4,541
* Rankings
Ranking Based On Selection :6
John Perry
Personality
psychometrics
mental toughness
stress
morality
Metrics
H-Index
i10 Index
Citation
32
59
3,931
Deirdre O Shea
Work & Organisational Psychology
Occupational Health Psychology
Interventions
Metrics
H-Index
i10 Index
Citation
28
33
2,491
James Green
Ebikes
Open Science
Health Psychology
Healthcare Communication
Metrics
H-Index
i10 Index
Citation
25
48
2,658
Elaine L Kinsella
Social influences on health
Work and organisations
Leadership and Heroism
Collective Heroism
Metrics
H-Index
i10 Index
Citation
21
27
1,714
* Rankings
Ranking Based On Selection :10
Pablo De Tezanos-Pinto
Social Psychology
Political Psychology
Intergroup Relations
Metrics
H-Index
i10 Index
Citation
16
18
960
* Rankings
Ranking Based On Selection :11
Paul J. Maher
Social Cognition
Identity Networks
Emotion
Behavioral Science
Metrics
H-Index
i10 Index
Citation
13
15
536
Marc Scully
Social Psychology
Migration
Diaspora
National Identity
Discourse Analysis
Metrics
H-Index
i10 Index
Citation
9
9
294
Magdalena Kowal
cognitive psychology
mental health
sport psychology
experimental psychology
performance sciences
Metrics
H-Index
i10 Index
Citation
8
8
652
Eimear Ruane Mcateer
Clinical Psychology
Health Inequalities
Mental Health Research
Metrics
H-Index
i10 Index
Citation
8
7
350
Chloé Beatty
Developmental Psychology
Cyberpsychology
Screen Time
Learning Design
Metrics
H-Index
i10 Index
Citation
6
5
375
Eoin Conroy
Psychology
Sports Psychology
Exercise Psychology
Performance Psychology
Esports
Metrics
H-Index
i10 Index
Citation
5
5
281
Louise Foley
health psychology
multimorbidity
medication adherence
public and patient involvement
Metrics
H-Index
i10 Index
Citation
5
5
254
Elaine A Gallagher
applied social psychology
environmental psychology
behaviour change
Metrics
H-Index
i10 Index
Citation
4
2
93
Emma Kirwan
loneliness
emerging adults
psychosocial predictors of health
developmental psychology
Metrics
H-Index
i10 Index
Citation
4
1
33
Niamh Doody
Clinical Psychology
Neurodevelopment
Neurodiversity
Eating Disorders
Metrics
H-Index
i10 Index
Citation
3
1
83
Amanda O'Dwyer
Psychology
mental health
social psychology
clinical psychology
health psychology
Metrics
H-Index
i10 Index
Citation
2
0
16
Rankings
Ranking Based On Selection: 1
Kevin R Murphy
Metrics
H-Index
i10 Index
Citation Counts
73
173
31,752
psychometrics
performance appraisal
personnel assessment
statistics
Rankings
Ranking Based On Selection: 2
Orla Muldoon
Metrics
H-Index
i10 Index
Citation Counts
46
113
8,890
Psychological Trauma
Political Psychology
Social Identity Approach
Rankings
Ranking Based On Selection: 3
Stephen Gallagher
Metrics
H-Index
i10 Index
Citation Counts
44
90
6,062
Health Psychology
Stress
Social support
Caregiving
psychophysiology
Rankings
Ranking Based On Selection: 4
Eric Raymond Igou
Metrics
H-Index
i10 Index
Citation Counts
41
73
5,754
Social Cognition
Decision Making
Experimental Existential Psychology
Rankings
Ranking Based On Selection: 5
Mark Campbell
Metrics
H-Index
i10 Index
Citation Counts
36
60
4,541
Cognition in Action
Experimental Psychology
Visual Attention
Esport science
Neurocognition
Rankings
Ranking Based On Selection: 6
John Perry
Metrics
H-Index
i10 Index
Citation Counts
32
59
3,931
Personality
psychometrics
mental toughness
stress
morality
Rankings
Ranking Based On Selection: 7
Deirdre O Shea
Metrics
H-Index
i10 Index
Citation Counts
28
33
2,491
Work & Organisational Psychology
Occupational Health Psychology
Interventions
Rankings
Ranking Based On Selection: 8
James Green
Metrics
H-Index
i10 Index
Citation Counts
25
48
2,658
Ebikes
Open Science
Health Psychology
Healthcare Communication
Rankings
Ranking Based On Selection: 9
Elaine L Kinsella
Metrics
H-Index
i10 Index
Citation Counts
21
27
1,714
Social influences on health
Work and organisations
Leadership and Heroism
Collective Heroism
Rankings
Ranking Based On Selection: 10
Pablo De Tezanos-Pinto
Metrics
H-Index
i10 Index
Citation Counts
16
18
960
Social Psychology
Political Psychology
Intergroup Relations
Rankings
Ranking Based On Selection: 11
Paul J. Maher
Metrics
H-Index
i10 Index
Citation Counts
13
15
536
Social Cognition
Identity Networks
Emotion
Behavioral Science
Rankings
Ranking Based On Selection: 12
Daragh Bradshaw
Metrics
H-Index
i10 Index
Citation Counts
9
8
220
Rankings
Ranking Based On Selection: 13
Marc Scully
Metrics
H-Index
i10 Index
Citation Counts
9
9
294
Social Psychology
Migration
Diaspora
National Identity
Discourse Analysis
Rankings
Ranking Based On Selection: 14
Magdalena Kowal
Metrics
H-Index
i10 Index
Citation Counts
8
8
652
cognitive psychology
mental health
sport psychology
experimental psychology
performance sciences
Rankings
Ranking Based On Selection: 15
Eimear Ruane Mcateer
Metrics
H-Index
i10 Index
Citation Counts
8
7
350
Clinical Psychology
Health Inequalities
Mental Health Research
Rankings
Ranking Based On Selection: 16
Chloé Beatty
Metrics
H-Index
i10 Index
Citation Counts
6
5
375
Developmental Psychology
Cyberpsychology
Screen Time
Learning Design
Rankings
Ranking Based On Selection: 17
Caoimhe O'Reilly
Metrics
H-Index
i10 Index
Citation Counts
6
5
93
Rankings
Ranking Based On Selection: 18
Eoin Conroy
Metrics
H-Index
i10 Index
Citation Counts
5
5
281
Psychology
Sports Psychology
Exercise Psychology
Performance Psychology
Esports
Rankings
Ranking Based On Selection: 19
Louise Foley
Metrics
H-Index
i10 Index
Citation Counts
5
5
254
health psychology
multimorbidity
medication adherence
public and patient involvement
Rankings
Ranking Based On Selection: 20
Tracey M Keogh
Metrics
H-Index
i10 Index
Citation Counts
5
5
67
Rankings
Ranking Based On Selection: 21
Elaine A Gallagher
Metrics
H-Index
i10 Index
Citation Counts
4
2
93
applied social psychology
environmental psychology
behaviour change
Rankings
Ranking Based On Selection: 22
Emma Kirwan
Metrics
H-Index
i10 Index
Citation Counts
4
1
33
loneliness
emerging adults
psychosocial predictors of health
developmental psychology
Rankings
Ranking Based On Selection: 23
Niamh Doody
Metrics
H-Index
i10 Index
Citation Counts
3
1
83
Clinical Psychology
Neurodevelopment
Neurodiversity
Eating Disorders
Rankings
Ranking Based On Selection: 24
Aoife Mc Loughlin
Metrics
H-Index
i10 Index
Citation Counts
3
1
36
Rankings
Ranking Based On Selection: 25
Lydia Mannion
Metrics
H-Index
i10 Index
Citation Counts
2
1
27
Rankings
Ranking Based On Selection: 26
Amanda O'Dwyer
Metrics
H-Index
i10 Index
Citation Counts
2
0
16
Psychology
mental health
social psychology
clinical psychology
health psychology
Rankings
Ranking Based On Selection: 27
Patrick Ryan
Metrics
H-Index
i10 Index
Citation Counts
1
1
20