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
Jack M Fletcher
child neuropsychology
neurodevelopmental disorders
learning disabilities
Metrics
H-Index
i10 Index
Citation
147
493
88,194
* Rankings
Ranking Based On Selection :2
David J Francis
Measurement and Statistics
Educational Evaluation
Reading
Developmental Disabilities
English Language Learners
Metrics
H-Index
i10 Index
Citation
104
218
38,768
* Rankings
Ranking Based On Selection :3
Steven Paul Woods
Clinical Neuropsychology
Neuropsychology
Metrics
H-Index
i10 Index
Citation
74
266
24,955
* Rankings
Ranking Based On Selection :4
Anka Vujanovic
posttraumatic stress
substance use disorders
Metrics
H-Index
i10 Index
Citation
61
168
13,337
* Rankings
Ranking Based On Selection :7
Paul T Cirino
neuropsychology
learning disabilities
executive function
attention
Metrics
H-Index
i10 Index
Citation
55
115
12,591
* Rankings
Ranking Based On Selection :8
Matthew W Gallagher
Hope
PTSD & Anxiety
Transdiagnostic Treatments
Positive Psychology
Data Analysis
Metrics
H-Index
i10 Index
Citation
53
118
16,295
* Rankings
Ranking Based On Selection :10
Merrill Hiscock
cognitive neuroscience
neuropsychology
Metrics
H-Index
i10 Index
Citation
43
97
7,161
* Rankings
Ranking Based On Selection :11
Paul Massman
Neuropsychology
Memory
Neurodegenerative Disorders
Alzheimer's Disease
Metrics
H-Index
i10 Index
Citation
42
72
7,691
* Rankings
Ranking Based On Selection :12
Julia C Babcock
intimate partner violence
domestic violence
couples
Metrics
H-Index
i10 Index
Citation
41
63
11,459
* Rankings
Ranking Based On Selection :13
Christiane Spitzmueller
Higher Education
Promotion and Tenure
Diversity
Work-Family Research
Mentoring
Metrics
H-Index
i10 Index
Citation
40
60
6,256
* Rankings
Ranking Based On Selection :14
Rheeda L Walker
African Americans
Culture
Suicide
Resilience
Discrimination
Metrics
H-Index
i10 Index
Citation
35
59
4,747
* Rankings
Ranking Based On Selection :15
Julie C Dunsmore
emotion socialization
children
adolescents
parents
culture
Metrics
H-Index
i10 Index
Citation
34
55
6,049
* Rankings
Ranking Based On Selection :16
Jonathan P Schwartz
Men and masculinity
prevention
ethics in psychology
Metrics
H-Index
i10 Index
Citation
34
50
4,134
* Rankings
Ranking Based On Selection :19
Teresa M Mcintyre
health psychology
work stress
ecological momentary assessment
health promotion
pain
Metrics
H-Index
i10 Index
Citation
32
74
3,241
* Rankings
Ranking Based On Selection :20
Bradley H Smith
Mindfulness
ADHD
Summer Camps
Service-Learning
Positive Youth Develpment
Metrics
H-Index
i10 Index
Citation
31
51
4,098
* Rankings
Ranking Based On Selection :21
Donald J Foss
psycholinguistics
memory
cognitive psychology
learning
Metrics
H-Index
i10 Index
Citation
30
41
5,026
* Rankings
Ranking Based On Selection :22
Jeremy Miciak
School Psychology
Special Education
Learning Disabilities
Reading
Metrics
H-Index
i10 Index
Citation
29
40
2,448
* Rankings
Ranking Based On Selection :23
Margit Wiesner
longitudinal modeling
crime trajectories
vocational career pathways
youth violence exposure
Metrics
H-Index
i10 Index
Citation
28
50
4,138
* Rankings
Ranking Based On Selection :24
Johanna Bick
early childhood adversity
brain and behavioral development
evidence-based parenting intervention
Metrics
H-Index
i10 Index
Citation
27
36
4,186
* Rankings
Ranking Based On Selection :25
Ezemenari M Obasi
Substance Use & Abuse
Health Disparities
Social Neuroscience
Cultural Psychology
Metrics
H-Index
i10 Index
Citation
27
47
2,578
* Rankings
Ranking Based On Selection :26
Norma Olvera
Latino pediatric obesity
community healthy lifestyle interventions
healthy eating
physical activity
body image
Metrics
H-Index
i10 Index
Citation
26
47
3,619
* Rankings
Ranking Based On Selection :27
Adam K Fetterman
Personality
Metaphor
Social Psychology
Emotion
Social Cognition
Metrics
H-Index
i10 Index
Citation
25
42
1,913
Rodica I Damian
Personality Psychology
Social Psychology
Metrics
H-Index
i10 Index
Citation
24
34
2,940
John P Vincent
Forensic psychology
marital and family therapy
Metrics
H-Index
i10 Index
Citation
24
29
3,016
* Rankings
Ranking Based On Selection :30
Rick Jay Short
consultation
conduct disorders
expertise
integrated health services
Metrics
H-Index
i10 Index
Citation
23
39
1,932
Hanako Yoshida
Cognitive Development
Word Learning
Attentional Learning
Metrics
H-Index
i10 Index
Citation
22
33
2,252
Weihua Fan
quantitative research method
student success
motivation
Metrics
H-Index
i10 Index
Citation
21
29
4,417
Luis D Medina
aging
neuropsychology
Alzheimer's disease
culture
health disparities
Metrics
H-Index
i10 Index
Citation
21
39
1,824
Yan Huang
Message Effects
Health/Risk Communication
Strategic Comm
Misinformation Correction
Uncertainty
Metrics
H-Index
i10 Index
Citation
18
23
1,526
Chiara Acquati
psychosocial oncology
close relationships
stress and coping
AYA
sexual and reproductive health
Metrics
H-Index
i10 Index
Citation
17
32
1,306
* Rankings
Ranking Based On Selection :37
Kit W Cho
Cognitive Psychology
Educational Psychology
Metrics
H-Index
i10 Index
Citation
17
23
809
* Rankings
Ranking Based On Selection :38
Donald Loffredo
Personality
Communication
Human Computer Interaction
Metrics
H-Index
i10 Index
Citation
17
21
1,729
Milena Keller Margulis
Response to Intervention
Curriculum-based measurement
Pediatric School Psychology
Metrics
H-Index
i10 Index
Citation
16
26
2,899
* Rankings
Ranking Based On Selection :40
Scott Elmes Mcintyre
I/O Psychology
Work Stress
Ecological momentary assessment
Metrics
H-Index
i10 Index
Citation
16
21
991
Kerri P Nowell
autism spectrum disorder
behavioral phenotyping
international psychology
school psychology
Metrics
H-Index
i10 Index
Citation
14
16
1,074
* Rankings
Ranking Based On Selection :43
Nausheen Pasha-Zaidi
international education and psychology
social identity
language and culture
Metrics
H-Index
i10 Index
Citation
14
14
596
* Rankings
Ranking Based On Selection :47
Christine Walther
Alcohol use
substance use
adolescent development
emerging adulthood
Metrics
H-Index
i10 Index
Citation
13
13
1,183
* Rankings
Ranking Based On Selection :49
Steven C Sutherland
Automation
Expert Advice
Decision Support Systems
Judgment and Decision Making
Serious Games
Metrics
H-Index
i10 Index
Citation
13
14
480
* Rankings
Ranking Based On Selection :50
Angela Kelling
animal welfare
informal and formal learning
stress
campus climate
HSI Identity
Metrics
H-Index
i10 Index
Citation
12
14
653
Lisa K Chinn
cognitive neuroscience
attention
developmental psychology
Metrics
H-Index
i10 Index
Citation
8
8
206
Sandy Venneman
Behavior & Healthcare (End of Life
Neurophysiology)
Teaching
Metrics
H-Index
i10 Index
Citation
6
5
272
Laura Ruth Parker
Social Psychology
Intergroup Relations
Stereotyping and Prejudice
Metrics
H-Index
i10 Index
Citation
5
5
339
Amy Senger
positive psychology
stress
anxiety
chronic illness
well-being
Metrics
H-Index
i10 Index
Citation
5
4
172
Vanesa Lerma
neuropsychology
neuroscience
genetics
neuroimaging
Metrics
H-Index
i10 Index
Citation
4
2
54
Shutian Shen
Developmental Psychology
Parenting
Early Neural Development
Metrics
H-Index
i10 Index
Citation
3
3
152
Joshua M Garcia
Cultural Neuropsychology
Clinical Psychology
Aging
Psychometrics
Metrics
H-Index
i10 Index
Citation
3
1
31
Kennedy M Balzen
Personality
dimensional models for psychopathology
interpersonal relationships
Metrics
H-Index
i10 Index
Citation
3
0
28
Aniqua Salwa
PTSD
Substance Use
Mental Health
Clinical Psychology
Metrics
H-Index
i10 Index
Citation
2
0
18
Rankings
Ranking Based On Selection: 1
Jack M Fletcher
Metrics
H-Index
i10 Index
Citation Counts
147
493
88,194
child neuropsychology
neurodevelopmental disorders
learning disabilities
Rankings
Ranking Based On Selection: 2
David J Francis
Metrics
H-Index
i10 Index
Citation Counts
104
218
38,768
Measurement and Statistics
Educational Evaluation
Reading
Developmental Disabilities
English Language Learners
Rankings
Ranking Based On Selection: 3
Steven Paul Woods
Metrics
H-Index
i10 Index
Citation Counts
74
266
24,955
Clinical Neuropsychology
Neuropsychology
Rankings
Ranking Based On Selection: 4
Anka Vujanovic
Metrics
H-Index
i10 Index
Citation Counts
61
168
13,337
posttraumatic stress
substance use disorders
Rankings
Ranking Based On Selection: 5
Therese A Kosten
Metrics
H-Index
i10 Index
Citation Counts
61
157
10,514
Rankings
Ranking Based On Selection: 6
Robert Eisenberger
Metrics
H-Index
i10 Index
Citation Counts
60
91
79,114
Rankings
Ranking Based On Selection: 7
Paul T Cirino
Metrics
H-Index
i10 Index
Citation Counts
55
115
12,591
neuropsychology
learning disabilities
executive function
attention
Rankings
Ranking Based On Selection: 8
Matthew W Gallagher
Metrics
H-Index
i10 Index
Citation Counts
53
118
16,295
Hope
PTSD & Anxiety
Transdiagnostic Treatments
Positive Psychology
Data Analysis
Rankings
Ranking Based On Selection: 9
C Raymond Knee
Metrics
H-Index
i10 Index
Citation Counts
45
63
9,710
Rankings
Ranking Based On Selection: 10
Merrill Hiscock
Metrics
H-Index
i10 Index
Citation Counts
43
97
7,161
cognitive neuroscience
neuropsychology
Rankings
Ranking Based On Selection: 11
Paul Massman
Metrics
H-Index
i10 Index
Citation Counts
42
72
7,691
Neuropsychology
Memory
Neurodegenerative Disorders
Alzheimer's Disease
Rankings
Ranking Based On Selection: 12
Julia C Babcock
Metrics
H-Index
i10 Index
Citation Counts
41
63
11,459
intimate partner violence
domestic violence
couples
Rankings
Ranking Based On Selection: 13
Christiane Spitzmueller
Metrics
H-Index
i10 Index
Citation Counts
40
60
6,256
Higher Education
Promotion and Tenure
Diversity
Work-Family Research
Mentoring
Rankings
Ranking Based On Selection: 14
Rheeda L Walker
Metrics
H-Index
i10 Index
Citation Counts
35
59
4,747
African Americans
Culture
Suicide
Resilience
Discrimination
Rankings
Ranking Based On Selection: 15
Julie C Dunsmore
Metrics
H-Index
i10 Index
Citation Counts
34
55
6,049
emotion socialization
children
adolescents
parents
culture
Rankings
Ranking Based On Selection: 16
Jonathan P Schwartz
Metrics
H-Index
i10 Index
Citation Counts
34
50
4,134
Men and masculinity
prevention
ethics in psychology
Rankings
Ranking Based On Selection: 17
Amanda C Venta
Metrics
H-Index
i10 Index
Citation Counts
32
73
4,238
Rankings
Ranking Based On Selection: 18
Susan X Day
Metrics
H-Index
i10 Index
Citation Counts
32
45
5,194
Rankings
Ranking Based On Selection: 19
Teresa M Mcintyre
Metrics
H-Index
i10 Index
Citation Counts
32
74
3,241
health psychology
work stress
ecological momentary assessment
health promotion
pain
Rankings
Ranking Based On Selection: 20
Bradley H Smith
Metrics
H-Index
i10 Index
Citation Counts
31
51
4,098
Mindfulness
ADHD
Summer Camps
Service-Learning
Positive Youth Develpment
Rankings
Ranking Based On Selection: 21
Donald J Foss
Metrics
H-Index
i10 Index
Citation Counts
30
41
5,026
psycholinguistics
memory
cognitive psychology
learning
Rankings
Ranking Based On Selection: 22
Jeremy Miciak
Metrics
H-Index
i10 Index
Citation Counts
29
40
2,448
School Psychology
Special Education
Learning Disabilities
Reading
Rankings
Ranking Based On Selection: 23
Margit Wiesner
Metrics
H-Index
i10 Index
Citation Counts
28
50
4,138
longitudinal modeling
crime trajectories
vocational career pathways
youth violence exposure
Rankings
Ranking Based On Selection: 24
Johanna Bick
Metrics
H-Index
i10 Index
Citation Counts
27
36
4,186
early childhood adversity
brain and behavioral development
evidence-based parenting intervention
Rankings
Ranking Based On Selection: 25
Ezemenari M Obasi
Metrics
H-Index
i10 Index
Citation Counts
27
47
2,578
Substance Use & Abuse
Health Disparities
Social Neuroscience
Cultural Psychology
Rankings
Ranking Based On Selection: 26
Norma Olvera
Metrics
H-Index
i10 Index
Citation Counts
26
47
3,619
Latino pediatric obesity
community healthy lifestyle interventions
healthy eating
physical activity
body image
Rankings
Ranking Based On Selection: 27
Adam K Fetterman
Metrics
H-Index
i10 Index
Citation Counts
25
42
1,913
Personality
Metaphor
Social Psychology
Emotion
Social Cognition
Rankings
Ranking Based On Selection: 28
Rodica I Damian
Metrics
H-Index
i10 Index
Citation Counts
24
34
2,940
Personality Psychology
Social Psychology
Rankings
Ranking Based On Selection: 29
John P Vincent
Metrics
H-Index
i10 Index
Citation Counts
24
29
3,016
Forensic psychology
marital and family therapy
Rankings
Ranking Based On Selection: 30
Rick Jay Short
Metrics
H-Index
i10 Index
Citation Counts
23
39
1,932
consultation
conduct disorders
expertise
integrated health services
Rankings
Ranking Based On Selection: 31
Hanako Yoshida
Metrics
H-Index
i10 Index
Citation Counts
22
33
2,252
Cognitive Development
Word Learning
Attentional Learning
Rankings
Ranking Based On Selection: 32
Weihua Fan
Metrics
H-Index
i10 Index
Citation Counts
21
29
4,417
quantitative research method
student success
motivation
Rankings
Ranking Based On Selection: 33
Luis D Medina
Metrics
H-Index
i10 Index
Citation Counts
21
39
1,824
aging
neuropsychology
Alzheimer's disease
culture
health disparities
Rankings
Ranking Based On Selection: 34
Marco J Mariotto
Metrics
H-Index
i10 Index
Citation Counts
21
30
1,521
Rankings
Ranking Based On Selection: 35
Yan Huang
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,526
Message Effects
Health/Risk Communication
Strategic Comm
Misinformation Correction
Uncertainty
Rankings
Ranking Based On Selection: 36
Chiara Acquati
Metrics
H-Index
i10 Index
Citation Counts
17
32
1,306
psychosocial oncology
close relationships
stress and coping
AYA
sexual and reproductive health
Rankings
Ranking Based On Selection: 37
Kit W Cho
Metrics
H-Index
i10 Index
Citation Counts
17
23
809
Cognitive Psychology
Educational Psychology
Rankings
Ranking Based On Selection: 38
Donald Loffredo
Metrics
H-Index
i10 Index
Citation Counts
17
21
1,729
Personality
Communication
Human Computer Interaction
Rankings
Ranking Based On Selection: 39
Milena Keller Margulis
Metrics
H-Index
i10 Index
Citation Counts
16
26
2,899
Response to Intervention
Curriculum-based measurement
Pediatric School Psychology
Rankings
Ranking Based On Selection: 40
Scott Elmes Mcintyre
Metrics
H-Index
i10 Index
Citation Counts
16
21
991
I/O Psychology
Work Stress
Ecological momentary assessment
Rankings
Ranking Based On Selection: 41
Yu Liu
Metrics
H-Index
i10 Index
Citation Counts
15
21
1,478
Rankings
Ranking Based On Selection: 42
Kerri P Nowell
Metrics
H-Index
i10 Index
Citation Counts
14
16
1,074
autism spectrum disorder
behavioral phenotyping
international psychology
school psychology
Rankings
Ranking Based On Selection: 43
Nausheen Pasha-Zaidi
Metrics
H-Index
i10 Index
Citation Counts
14
14
596
international education and psychology
social identity
language and culture
Rankings
Ranking Based On Selection: 44
Robert H Mcpherson
Metrics
H-Index
i10 Index
Citation Counts
14
14
1,537
Rankings
Ranking Based On Selection: 45
David Sheppard
Metrics
H-Index
i10 Index
Citation Counts
13
16
637
Rankings
Ranking Based On Selection: 46
Cognitive Neuroscience
Cognitive Psychology
Attention
Response Selection
Working Memory
Rankings
Ranking Based On Selection: 47
Christine Walther
Metrics
H-Index
i10 Index
Citation Counts
13
13
1,183
Alcohol use
substance use
adolescent development
emerging adulthood
Rankings
Ranking Based On Selection: 48
William D Norwood
Metrics
H-Index
i10 Index
Citation Counts
13
15
2,381
Rankings
Ranking Based On Selection: 49
Steven C Sutherland
Metrics
H-Index
i10 Index
Citation Counts
13
14
480
Automation
Expert Advice
Decision Support Systems
Judgment and Decision Making
Serious Games
Rankings
Ranking Based On Selection: 50
Angela Kelling
Metrics
H-Index
i10 Index
Citation Counts
12
14
653
animal welfare
informal and formal learning
stress
campus climate
HSI Identity
Rankings
Ranking Based On Selection: 51
Lisa K Chinn
Metrics
H-Index
i10 Index
Citation Counts
8
8
206
cognitive neuroscience
attention
developmental psychology
Rankings
Ranking Based On Selection: 52
Nicholas A Armenti
Metrics
H-Index
i10 Index
Citation Counts
8
7
511
Rankings
Ranking Based On Selection: 53
Pamella Nizio
Metrics
H-Index
i10 Index
Citation Counts
8
6
167
Rankings
Ranking Based On Selection: 54
Andrew Rosenblatt
Metrics
H-Index
i10 Index
Citation Counts
6
5
329
Rankings
Ranking Based On Selection: 55
Haley E Conroy Busch
Metrics
H-Index
i10 Index
Citation Counts
6
2
88
Rankings
Ranking Based On Selection: 56
Jianling Xie
Metrics
H-Index
i10 Index
Citation Counts
6
2
82
Rankings
Ranking Based On Selection: 57
Sandy Venneman
Metrics
H-Index
i10 Index
Citation Counts
6
5
272
Behavior & Healthcare (End of Life
Neurophysiology)
Teaching
Rankings
Ranking Based On Selection: 58
Laura Ruth Parker
Metrics
H-Index
i10 Index
Citation Counts
5
5
339
Social Psychology
Intergroup Relations
Stereotyping and Prejudice
Rankings
Ranking Based On Selection: 59
Nicholas J Shaman
Metrics
H-Index
i10 Index
Citation Counts
5
5
156
Rankings
Ranking Based On Selection: 60
Amy Senger
Metrics
H-Index
i10 Index
Citation Counts
5
4
172
positive psychology
stress
anxiety
chronic illness
well-being
Rankings
Ranking Based On Selection: 61
Anthony M Foster
Metrics
H-Index
i10 Index
Citation Counts
5
2
106
Disclosure
Identity
Motivation
Prejudice
Stigma
Rankings
Ranking Based On Selection: 62
Vanesa Lerma
Metrics
H-Index
i10 Index
Citation Counts
4
2
54
neuropsychology
neuroscience
genetics
neuroimaging
Rankings
Ranking Based On Selection: 63
My Viet Ha Nguyen
Metrics
H-Index
i10 Index
Citation Counts
4
2
52
Rankings
Ranking Based On Selection: 64
Shutian Shen
Metrics
H-Index
i10 Index
Citation Counts
3
3
152
Developmental Psychology
Parenting
Early Neural Development
Rankings
Ranking Based On Selection: 65
Autena Torbati
Metrics
H-Index
i10 Index
Citation Counts
3
2
88
Rankings
Ranking Based On Selection: 66
Rogelio Gonzalez
Metrics
H-Index
i10 Index
Citation Counts
3
2
64
Rankings
Ranking Based On Selection: 67
Joshua M Garcia
Metrics
H-Index
i10 Index
Citation Counts
3
1
31
Cultural Neuropsychology
Clinical Psychology
Aging
Psychometrics
Rankings
Ranking Based On Selection: 68
Kennedy M Balzen
Metrics
H-Index
i10 Index
Citation Counts
3
0
28
Personality
dimensional models for psychopathology
interpersonal relationships
Rankings
Ranking Based On Selection: 69
Anthony Cifre
Metrics
H-Index
i10 Index
Citation Counts
2
1
21
Rankings
Ranking Based On Selection: 70
Aniqua Salwa
Metrics
H-Index
i10 Index
Citation Counts
2
0
18
PTSD
Substance Use
Mental Health
Clinical Psychology
Rankings
Ranking Based On Selection: 71
Yinan Xu
Metrics
H-Index
i10 Index
Citation Counts
2
0
15
Rankings
Ranking Based On Selection: 72
Hannah Hyatt Hartnett
Metrics
H-Index
i10 Index
Citation Counts
1
1
32