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" (873,690 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
Suzanne Barker Collo
Neuropsychology
neurorehabilitation
stroke
traumatic brain injury
Metrics
H-Index
i10 Index
Citation
95
197
210,379
* Rankings
Ranking Based On Selection: 2
Chris G Sibley
social psychology
political psychology
health psychology
personality
intergroup relations
Metrics
H-Index
i10 Index
Citation
92
364
34,441
* Rankings
Ranking Based On Selection: 3
Michael Corballis
cognitive neuroscience
language evolution
brain asymmetry
Metrics
H-Index
i10 Index
Citation
84
274
32,627
* Rankings
Ranking Based On Selection: 4
Margaret Wetherell
Discourse
Identity
Masculinity
Racism
Affect
Metrics
H-Index
i10 Index
Citation
78
156
77,680
* Rankings
Ranking Based On Selection: 5
Nickola Overall
Social Psychology
Close Relationships
Sexism
Attachment
Metrics
H-Index
i10 Index
Citation
64
128
13,202
* Rankings
Ranking Based On Selection: 6
Richard J Siegert
Psychology
Rehabilitation
Psychometrics
Mindfulnes
Metrics
H-Index
i10 Index
Citation
63
184
15,361
* Rankings
Ranking Based On Selection: 7
John Duckitt
Social psychology
intergroup attitudes
prejudice
racism
authoritarianism
Metrics
H-Index
i10 Index
Citation
60
108
23,864
* Rankings
Ranking Based On Selection: 8
Alice Theadom
Adjustment to neurological conditions
health psychology
epidemiology
Metrics
H-Index
i10 Index
Citation
55
137
31,217
* Rankings
Ranking Based On Selection: 9
Paul Corballis
Cognitive Neuroscience
Visual Attention
Visual Perception
Hemispheric Specialization and Interaction
Metrics
H-Index
i10 Index
Citation
45
74
5,431
* Rankings
Ranking Based On Selection: 10
Suzanne Purdy
speech and hearing science
communication disorders
auditory electrophysiology
community therapies for neurological conditions
Metrics
H-Index
i10 Index
Citation
44
141
8,030

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* Rankings
Ranking Based On Selection: 11
Karen E Waldie
Neurodiversity
Cognitive neuroscience
gene-environment
Laterality
Metrics
H-Index
i10 Index
Citation
44
105
7,213
* Rankings
Ranking Based On Selection: 12
Lynette Tippett
neuropsychology
cognitive neuroscience
neuroscience
Metrics
H-Index
i10 Index
Citation
42
67
6,746
* Rankings
Ranking Based On Selection: 13
Helena Cooper Thomas
organisational socialisation
employee-employer relationships via psychological contract
engagement
person-organisation fit
j
Metrics
H-Index
i10 Index
Citation
40
62
9,121
* Rankings
Ranking Based On Selection: 14
Alex H Taylor
Comparative Psychology
Animal Behaviour
Evolution of intelligence
Metrics
H-Index
i10 Index
Citation
39
58
4,318
* Rankings
Ranking Based On Selection: 16
Jeff P Hamm
Cognitive Psychology
Cognitive Neuroscience
Metrics
H-Index
i10 Index
Citation
38
71
4,154
* Rankings
Ranking Based On Selection: 17
Lixin Jiang
Occupational Health Psychology
Organisational Climate
Job Insecurity
Safety
Metrics
H-Index
i10 Index
Citation
36
58
3,898
* Rankings
Ranking Based On Selection: 18
Niki Harre
Psychology
sustainability
young drivers
risky behaviour
Metrics
H-Index
i10 Index
Citation
35
61
5,158
* Rankings
Ranking Based On Selection: 19
TA Wouldes
child development
addiction
methamphetamine
methadone
Metrics
H-Index
i10 Index
Citation
34
61
4,770
* Rankings
Ranking Based On Selection: 20
Gordon Cheung
Quantitative Research Methods
Structural Equation Modeling
Metrics
H-Index
i10 Index
Citation
32
40
27,741
* Rankings
Ranking Based On Selection: 21
Claire Cartwright
Stepfamilies
Therapy processes/countertransference
Experiences of Antidepressants
Metrics
H-Index
i10 Index
Citation
32
43
3,039
* Rankings
Ranking Based On Selection: 22
Karolina Stasiak
Psychology
youth mental health
e-therapy
e-health
computerised cognitive behavioural therapy
Metrics
H-Index
i10 Index
Citation
30
50
5,638
* Rankings
Ranking Based On Selection: 24
Michael J Hautus
psychophysics
psychology
sensory evaluation
neuroscience
audition
Metrics
H-Index
i10 Index
Citation
29
60
14,783
* Rankings
Ranking Based On Selection: 25
Gareth Terry
Critical Health Psychology
Rehabilitation Studies
Masculinities
Disability Studies
Qualitative
Metrics
H-Index
i10 Index
Citation
28
37
35,766
* Rankings
Ranking Based On Selection: 26
Linda Waimarie Nikora
Indigenous
Maori
wellbeing
indigenous psychology
Metrics
H-Index
i10 Index
Citation
28
67
3,383
* Rankings
Ranking Based On Selection: 27
Lisa Underwood
Autism spectrum disorder
intellectual disability
ADHD
neurodevelopmental disorders
tuberous sclerosis complex
Metrics
H-Index
i10 Index
Citation
27
50
3,026
* Rankings
Ranking Based On Selection: 28
Tony Lambert
Cognitive neuroscience
vision
memory
attention
consciousness
Metrics
H-Index
i10 Index
Citation
27
47
2,189
* Rankings
Ranking Based On Selection: 29
Suzanne Stevens
child development
early adversity
neurodevelopmental disorders
child psychopathology
Metrics
H-Index
i10 Index
Citation
25
32
4,511
* Rankings
Ranking Based On Selection: 30
Sarah Cullum
Old Age Psychiatry
Dementia
Epidemiology
Health Services Research
Metrics
H-Index
i10 Index
Citation
24
39
4,462
* Rankings
Ranking Based On Selection: 31
Petar Milojev
Research Methods
Personality
Social Psychology
Environmental Psychology
Intergroup Relations
Metrics
H-Index
i10 Index
Citation
24
37
3,195
* Rankings
Ranking Based On Selection: 32
Grace Y Wang
Addiction
Psychopharmcology
Cognitive Psychology
Mental Health
Metrics
H-Index
i10 Index
Citation
24
34
1,833
* Rankings
Ranking Based On Selection: 33
Annette ME Henderson
Cooperation
Communication
Parent-Child Interactions
Conventionality
Social Competence
Metrics
H-Index
i10 Index
Citation
24
37
2,389
* Rankings
Ranking Based On Selection: 34
Douglas Elliffe
Behavioral Psychology
Learning
Experimental Analysis of Behavior
Metrics
H-Index
i10 Index
Citation
24
54
2,136
* Rankings
Ranking Based On Selection: 35
Shiloh Groot
social psychology
Indigenous worldviews
homelessness
photo-elicitation
poverty
Metrics
H-Index
i10 Index
Citation
22
40
1,703
* Rankings
Ranking Based On Selection: 37
Samantha Stronge
Narcissism
Psychological Entitlement
Wellbeing
Social Media
Metrics
H-Index
i10 Index
Citation
18
21
1,313
* Rankings
Ranking Based On Selection: 38
Liesje Donkin
Health Psychology
Clinical Psychology
Eating Disorders and body image
ehealth
digital interventions
Metrics
H-Index
i10 Index
Citation
15
16
3,149
* Rankings
Ranking Based On Selection: 39
Margaret Sandham
psychometrics
outcome measures
palliative care
psychology
nursing
Metrics
H-Index
i10 Index
Citation
15
16
550
* Rankings
Ranking Based On Selection: 41
Jessica A Maxwell
Social Psychology
Romantic Relationships
Sexuality
Attachment Theory
Metrics
H-Index
i10 Index
Citation
14
18
1,238
* Rankings
Ranking Based On Selection: 42
Shivanthi Balalla *
Psychometrics
Traumatic Brain Injury
Neurological disorders
Rehabilitation Medicine
Trauma
Metrics
H-Index
i10 Index
Citation
14
15
26,639
* Rankings
Ranking Based On Selection: 44
Wendy Wrapson
Psychology
Debt
Economic Psychology
Social Psychology
Driver Speed
Metrics
H-Index
i10 Index
Citation
12
14
608
* Rankings
Ranking Based On Selection: 48
Rita Csako
Sexual psychology
Psychedelic assisted therapy
Clinical hypnosis
Metrics
H-Index
i10 Index
Citation
9
9
268
* Rankings
Ranking Based On Selection: 49
Rhoda Scherman
adoptive families
adoptees
intercountry adoption
open adoption
social psychology
Metrics
H-Index
i10 Index
Citation
9
7
314
Ben Fletcher|Benjamin D Fletcher, Benjamin Fletcher, B Fletcher
psychology
health psychology
clinical trials
population health
longitudinal research
Metrics
H-Index
i10 Index
Citation
7
6
150
V Lodhia
Cognition
Neuroscience
Autism
Neuroimaging
Developmental Disorders
Metrics
H-Index
i10 Index
Citation
6
5
207
Thanos Kyritsis
psychology
cultural evolution
evolutionary psychology
Metrics
H-Index
i10 Index
Citation
6
4
204
* Rankings
Ranking Based On Selection: 56
Paula Collens
psychology
psychotherapy
counselling
music education
music psychology
Metrics
H-Index
i10 Index
Citation
5
3
672
* Rankings
Ranking Based On Selection: 57
Cristina Parra
Social psychology of Climate change and Intergroup relations
Metrics
H-Index
i10 Index
Citation
5
3
639
Tamsin B Dehar
psychology
public health
indigenous health
Metrics
H-Index
i10 Index
Citation
3
1
273
* Rankings
Ranking Based On Selection: 61
Tara Pond
social psychology
feminist theory
bisexuality
intersectionality
technologically mediated
Metrics
H-Index
i10 Index
Citation
2
1
48
* Rankings
Ranking Based On Selection: 62
Nathan Henry
human factors
attentional control
statistical modeling
artificial intelligence
addiction
Metrics
H-Index
i10 Index
Citation
2
0
13
Victoria Louise Smith
social psychology
misinformation
science denialism
science communication
Metrics
H-Index
i10 Index
Citation
1
1
11
Rankings
Ranking Based On Selection: 1
Suzanne Barker Collo
Metrics
H-Index
i10 Index
Citation Counts
95
197
210,379
Neuropsychology
neurorehabilitation
stroke
traumatic brain injury
Rankings
Ranking Based On Selection: 2
Chris G Sibley
Metrics
H-Index
i10 Index
Citation Counts
92
364
34,441
social psychology
political psychology
health psychology
personality
intergroup relations
Rankings
Ranking Based On Selection: 3
Michael Corballis
Metrics
H-Index
i10 Index
Citation Counts
84
274
32,627
cognitive neuroscience
language evolution
brain asymmetry
Rankings
Ranking Based On Selection: 4
Margaret Wetherell
Metrics
H-Index
i10 Index
Citation Counts
78
156
77,680
Discourse
Identity
Masculinity
Racism
Affect
Rankings
Ranking Based On Selection: 5
Nickola Overall
Metrics
H-Index
i10 Index
Citation Counts
64
128
13,202
Social Psychology
Close Relationships
Sexism
Attachment
Rankings
Ranking Based On Selection: 6
Richard J Siegert
Metrics
H-Index
i10 Index
Citation Counts
63
184
15,361
Psychology
Rehabilitation
Psychometrics
Mindfulnes
Rankings
Ranking Based On Selection: 7
John Duckitt
Metrics
H-Index
i10 Index
Citation Counts
60
108
23,864
Social psychology
intergroup attitudes
prejudice
racism
authoritarianism
Rankings
Ranking Based On Selection: 8
Alice Theadom
Metrics
H-Index
i10 Index
Citation Counts
55
137
31,217
Adjustment to neurological conditions
health psychology
epidemiology
Rankings
Ranking Based On Selection: 9
Paul Corballis
Metrics
H-Index
i10 Index
Citation Counts
45
74
5,431
Cognitive Neuroscience
Visual Attention
Visual Perception
Hemispheric Specialization and Interaction
Rankings
Ranking Based On Selection: 10
Suzanne Purdy
Metrics
H-Index
i10 Index
Citation Counts
44
141
8,030
speech and hearing science
communication disorders
auditory electrophysiology
community therapies for neurological conditions

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Karen E Waldie
Metrics
H-Index
i10 Index
Citation Counts
44
105
7,213
Neurodiversity
Cognitive neuroscience
gene-environment
Laterality
Rankings
Ranking Based On Selection: 12
Lynette Tippett
Metrics
H-Index
i10 Index
Citation Counts
42
67
6,746
neuropsychology
cognitive neuroscience
neuroscience
Rankings
Ranking Based On Selection: 13
Helena Cooper Thomas
Metrics
H-Index
i10 Index
Citation Counts
40
62
9,121
organisational socialisation
employee-employer relationships via psychological contract
engagement
person-organisation fit
j
Rankings
Ranking Based On Selection: 14
Alex H Taylor
Metrics
H-Index
i10 Index
Citation Counts
39
58
4,318
Comparative Psychology
Animal Behaviour
Evolution of intelligence
Rankings
Ranking Based On Selection: 15
Daniel Shepherd
Metrics
H-Index
i10 Index
Citation Counts
39
86
4,937
Rankings
Ranking Based On Selection: 16
Jeff P Hamm
Metrics
H-Index
i10 Index
Citation Counts
38
71
4,154
Cognitive Psychology
Cognitive Neuroscience
Rankings
Ranking Based On Selection: 17
Lixin Jiang
Metrics
H-Index
i10 Index
Citation Counts
36
58
3,898
Occupational Health Psychology
Organisational Climate
Job Insecurity
Safety
Rankings
Ranking Based On Selection: 18
Niki Harre
Metrics
H-Index
i10 Index
Citation Counts
35
61
5,158
Psychology
sustainability
young drivers
risky behaviour
Rankings
Ranking Based On Selection: 19
TA Wouldes
Metrics
H-Index
i10 Index
Citation Counts
34
61
4,770
child development
addiction
methamphetamine
methadone
Rankings
Ranking Based On Selection: 20
Gordon Cheung
Metrics
H-Index
i10 Index
Citation Counts
32
40
27,741
Quantitative Research Methods
Structural Equation Modeling
Rankings
Ranking Based On Selection: 21
Claire Cartwright
Metrics
H-Index
i10 Index
Citation Counts
32
43
3,039
Stepfamilies
Therapy processes/countertransference
Experiences of Antidepressants
Rankings
Ranking Based On Selection: 22
Karolina Stasiak
Metrics
H-Index
i10 Index
Citation Counts
30
50
5,638
Psychology
youth mental health
e-therapy
e-health
computerised cognitive behavioural therapy
Rankings
Ranking Based On Selection: 23
Carla Houkamau
Metrics
H-Index
i10 Index
Citation Counts
30
47
3,539
Rankings
Ranking Based On Selection: 24
Michael J Hautus
Metrics
H-Index
i10 Index
Citation Counts
29
60
14,783
psychophysics
psychology
sensory evaluation
neuroscience
audition
Rankings
Ranking Based On Selection: 25
Gareth Terry
Metrics
H-Index
i10 Index
Citation Counts
28
37
35,766
Critical Health Psychology
Rehabilitation Studies
Masculinities
Disability Studies
Qualitative
Rankings
Ranking Based On Selection: 26
Linda Waimarie Nikora
Metrics
H-Index
i10 Index
Citation Counts
28
67
3,383
Indigenous
Maori
wellbeing
indigenous psychology
Rankings
Ranking Based On Selection: 27
Lisa Underwood
Metrics
H-Index
i10 Index
Citation Counts
27
50
3,026
Autism spectrum disorder
intellectual disability
ADHD
neurodevelopmental disorders
tuberous sclerosis complex
Rankings
Ranking Based On Selection: 28
Tony Lambert
Metrics
H-Index
i10 Index
Citation Counts
27
47
2,189
Cognitive neuroscience
vision
memory
attention
consciousness
Rankings
Ranking Based On Selection: 29
Suzanne Stevens
Metrics
H-Index
i10 Index
Citation Counts
25
32
4,511
child development
early adversity
neurodevelopmental disorders
child psychopathology
Rankings
Ranking Based On Selection: 30
Sarah Cullum
Metrics
H-Index
i10 Index
Citation Counts
24
39
4,462
Old Age Psychiatry
Dementia
Epidemiology
Health Services Research
Rankings
Ranking Based On Selection: 31
Petar Milojev
Metrics
H-Index
i10 Index
Citation Counts
24
37
3,195
Research Methods
Personality
Social Psychology
Environmental Psychology
Intergroup Relations
Rankings
Ranking Based On Selection: 32
Grace Y Wang
Metrics
H-Index
i10 Index
Citation Counts
24
34
1,833
Addiction
Psychopharmcology
Cognitive Psychology
Mental Health
Rankings
Ranking Based On Selection: 33
Annette ME Henderson
Metrics
H-Index
i10 Index
Citation Counts
24
37
2,389
Cooperation
Communication
Parent-Child Interactions
Conventionality
Social Competence
Rankings
Ranking Based On Selection: 34
Douglas Elliffe
Metrics
H-Index
i10 Index
Citation Counts
24
54
2,136
Behavioral Psychology
Learning
Experimental Analysis of Behavior
Rankings
Ranking Based On Selection: 35
Shiloh Groot
Metrics
H-Index
i10 Index
Citation Counts
22
40
1,703
social psychology
Indigenous worldviews
homelessness
photo-elicitation
poverty
Rankings
Ranking Based On Selection: 36
Keown LJ
Metrics
H-Index
i10 Index
Citation Counts
20
24
1,768
Rankings
Ranking Based On Selection: 37
Samantha Stronge
Metrics
H-Index
i10 Index
Citation Counts
18
21
1,313
Narcissism
Psychological Entitlement
Wellbeing
Social Media
Rankings
Ranking Based On Selection: 38
Liesje Donkin
Metrics
H-Index
i10 Index
Citation Counts
15
16
3,149
Health Psychology
Clinical Psychology
Eating Disorders and body image
ehealth
digital interventions
Rankings
Ranking Based On Selection: 39
Margaret Sandham
Metrics
H-Index
i10 Index
Citation Counts
15
16
550
psychometrics
outcome measures
palliative care
psychology
nursing
Rankings
Ranking Based On Selection: 40
Hilary Lapsley
Metrics
H-Index
i10 Index
Citation Counts
15
17
845
Rankings
Ranking Based On Selection: 41
Jessica A Maxwell
Metrics
H-Index
i10 Index
Citation Counts
14
18
1,238
Social Psychology
Romantic Relationships
Sexuality
Attachment Theory
Rankings
Ranking Based On Selection: 42
Shivanthi Balalla *
Metrics
H-Index
i10 Index
Citation Counts
14
15
26,639
Psychometrics
Traumatic Brain Injury
Neurological disorders
Rehabilitation Medicine
Trauma
Rankings
Ranking Based On Selection: 43
Elizabeth du Preez
Metrics
H-Index
i10 Index
Citation Counts
14
15
482
Ethics
LGBTIQ
TBI in prison populations
Rankings
Ranking Based On Selection: 44
Wendy Wrapson
Metrics
H-Index
i10 Index
Citation Counts
12
14
608
Psychology
Debt
Economic Psychology
Social Psychology
Driver Speed
Rankings
Ranking Based On Selection: 45
Erik Landhuis
Metrics
H-Index
i10 Index
Citation Counts
12
12
1,532
Rankings
Ranking Based On Selection: 46
Brenda Lobb
Metrics
H-Index
i10 Index
Citation Counts
12
14
900
Rankings
Ranking Based On Selection: 47
Brian Rodgers
Metrics
H-Index
i10 Index
Citation Counts
11
11
633
Counselling
Psychotherapy
Mental Health
Rankings
Ranking Based On Selection: 48
Rita Csako
Metrics
H-Index
i10 Index
Citation Counts
9
9
268
Sexual psychology
Psychedelic assisted therapy
Clinical hypnosis
Rankings
Ranking Based On Selection: 49
Rhoda Scherman
Metrics
H-Index
i10 Index
Citation Counts
9
7
314
adoptive families
adoptees
intercountry adoption
open adoption
social psychology
Rankings
Ranking Based On Selection: 50
Jacqueline Feather
Metrics
H-Index
i10 Index
Citation Counts
9
9
402
trauma
abuse
counselling psychology
eTherapy
Rankings
Ranking Based On Selection: 51
psychology
health psychology
clinical trials
population health
longitudinal research
Rankings
Ranking Based On Selection: 52
V Lodhia
Metrics
H-Index
i10 Index
Citation Counts
6
5
207
Cognition
Neuroscience
Autism
Neuroimaging
Developmental Disorders
Rankings
Ranking Based On Selection: 53
Thanos Kyritsis
Metrics
H-Index
i10 Index
Citation Counts
6
4
204
psychology
cultural evolution
evolutionary psychology
Rankings
Ranking Based On Selection: 54
Jay K Wood
Metrics
H-Index
i10 Index
Citation Counts
5
3
97
Rankings
Ranking Based On Selection: 55
Chloe Howard
Metrics
H-Index
i10 Index
Citation Counts
5
1
70
Rankings
Ranking Based On Selection: 56
Paula Collens
Metrics
H-Index
i10 Index
Citation Counts
5
3
672
psychology
psychotherapy
counselling
music education
music psychology
Rankings
Ranking Based On Selection: 57
Cristina Parra
Metrics
H-Index
i10 Index
Citation Counts
5
3
639
Social psychology of Climate change and Intergroup relations
Rankings
Ranking Based On Selection: 58
Ruijie Xu
Metrics
H-Index
i10 Index
Citation Counts
3
2
38
Rankings
Ranking Based On Selection: 59
Tamsin B Dehar
Metrics
H-Index
i10 Index
Citation Counts
3
1
273
psychology
public health
indigenous health
Rankings
Ranking Based On Selection: 60
Gazal Bharara
Metrics
H-Index
i10 Index
Citation Counts
2
2
95
Rankings
Ranking Based On Selection: 61
Tara Pond
Metrics
H-Index
i10 Index
Citation Counts
2
1
48
social psychology
feminist theory
bisexuality
intersectionality
technologically mediated
Rankings
Ranking Based On Selection: 62
Nathan Henry
Metrics
H-Index
i10 Index
Citation Counts
2
0
13
human factors
attentional control
statistical modeling
artificial intelligence
addiction
Rankings
Ranking Based On Selection: 63
Victoria Louise Smith
Metrics
H-Index
i10 Index
Citation Counts
1
1
11
social psychology
misinformation
science denialism
science communication