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" (870,053 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
Perminder Sachdev
Psychiatry
Dementia
Brain Ageing
Neuroscience
Movement Disorders
Metrics
H-Index
i10 Index
Citation
160
821
149,782
* Rankings
Ranking Based On Selection: 2
Philip B Mitchell
Bipolar disorder
Depression
Genetics
Mental health
Psychiatry
Metrics
H-Index
i10 Index
Citation
136
497
134,206
* Rankings
Ranking Based On Selection: 3
Gavin Andrews
Mental Health
iCBT for anxiety and depression
Metrics
H-Index
i10 Index
Citation
134
456
78,872
* Rankings
Ranking Based On Selection: 4
Derrick Silove
refugee and postconflict mental health
trauma psychiatry
separation anxiety
human rights
Metrics
H-Index
i10 Index
Citation
103
345
42,923
* Rankings
Ranking Based On Selection: 5
Phil Ward
clinical neuroscience
lifestyle interventions
MH interventions in LMICs
Metrics
H-Index
i10 Index
Citation
86
218
32,282
* Rankings
Ranking Based On Selection: 6
Dusan Hadzi Pavlovic
Diagnosis and classification of psychiatric disorders
Melancholia and other affective disorders
Data analysis in psychiatric r
Metrics
H-Index
i10 Index
Citation
86
262
24,332
* Rankings
Ranking Based On Selection: 8
Colleen Loo
Depression
mood disorders
novel treatments
brain stimulation
neuromodulation
Metrics
H-Index
i10 Index
Citation
82
221
24,602

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
Zachary Steel
PTSD
Emergency Services
Global Mental Health
Human Rights
Psychiatric epidemiology
Metrics
H-Index
i10 Index
Citation
68
161
25,959
* Rankings
Ranking Based On Selection: 12
Melissa Green
Psychiatry & Mental health
Developmental psychopathology
Metrics
H-Index
i10 Index
Citation
64
190
18,993
* Rankings
Ranking Based On Selection: 13
Samuel Harvey
Common Mental Disorders
Workplace Mental Health
Occupational Psychiatry
Work Stress
Fatigue
Metrics
H-Index
i10 Index
Citation
60
132
14,777
* Rankings
Ranking Based On Selection: 17
Melissa Slavin
Geriatrics
Psychogeriatrics
Neuropsychology
Dementia
Gerontology
Metrics
H-Index
i10 Index
Citation
44
66
9,457
* Rankings
Ranking Based On Selection: 18
Kimberlie Dean
forensic psychiatry
psychiatric epidemiology
forensic mental health
Metrics
H-Index
i10 Index
Citation
41
85
7,195
* Rankings
Ranking Based On Selection: 20
Jackie Curtis
mental health
psychiatry
cardiometabolic health
FEP
Metrics
H-Index
i10 Index
Citation
31
60
5,684
* Rankings
Ranking Based On Selection: 21
Michael Dudley
suicide prevention
youth mental health
human rights
indigenous people
refugees
Metrics
H-Index
i10 Index
Citation
31
46
3,339
* Rankings
Ranking Based On Selection: 23
Bronwyn Graham
Translational Psychiatry and Clinical Psychology
Metrics
H-Index
i10 Index
Citation
28
53
3,297
* Rankings
Ranking Based On Selection: 24
Mark Deady
Common Mental Disorders
eHealth
Workplace Mental Health
Occupational Psychiatry
comorbidity
Metrics
H-Index
i10 Index
Citation
27
53
2,875
* Rankings
Ranking Based On Selection: 25
Moyra Mortby
Alzheimer's Disease
Mild Cognitive Impairment
Neuropsychiatric Symptoms
Mild Behavioural Impairment
Apathy
Metrics
H-Index
i10 Index
Citation
27
37
3,185
* Rankings
Ranking Based On Selection: 26
Alvin Kuowei Tay
Global and public mental health
psychiatric epidemiology
computational and precision psychiatry
Metrics
H-Index
i10 Index
Citation
27
54
2,704
Sarah Mares
perinatal/ infant child & family mental health
complex trauma
refugees asylum seekers
human
Metrics
H-Index
i10 Index
Citation
20
28
1,559
Adam Bayes
Psychiatry
bipolar disorder
borderline personality disorder
Metrics
H-Index
i10 Index
Citation
17
27
1,112
Amelia Paterson
psychiatry
psychology
bipolar
depression
mood disorder
Metrics
H-Index
i10 Index
Citation
17
20
922
Anne Nicole Casey
dementia
gerontology
social networks
psychosocial interventions
long-term care
Metrics
H-Index
i10 Index
Citation
12
13
999
Erin Louise Whittle
Qualitative research
mental health
intellectual disability
public health
Metrics
H-Index
i10 Index
Citation
12
12
834
Lux Ratnamohan
child psychiatry
school attendance problems
refugee mental health
attachment theory
Metrics
H-Index
i10 Index
Citation
4
3
67
Rankings
Ranking Based On Selection: 1
Perminder Sachdev
Metrics
H-Index
i10 Index
Citation Counts
160
821
149,782
Psychiatry
Dementia
Brain Ageing
Neuroscience
Movement Disorders
Rankings
Ranking Based On Selection: 2
Philip B Mitchell
Metrics
H-Index
i10 Index
Citation Counts
136
497
134,206
Bipolar disorder
Depression
Genetics
Mental health
Psychiatry
Rankings
Ranking Based On Selection: 3
Gavin Andrews
Metrics
H-Index
i10 Index
Citation Counts
134
456
78,872
Rankings
Ranking Based On Selection: 4
Derrick Silove
Metrics
H-Index
i10 Index
Citation Counts
103
345
42,923
refugee and postconflict mental health
trauma psychiatry
separation anxiety
human rights
Rankings
Ranking Based On Selection: 5
Phil Ward
Metrics
H-Index
i10 Index
Citation Counts
86
218
32,282
clinical neuroscience
lifestyle interventions
MH interventions in LMICs
Rankings
Ranking Based On Selection: 6
Dusan Hadzi Pavlovic
Metrics
H-Index
i10 Index
Citation Counts
86
262
24,332
Diagnosis and classification of psychiatric disorders
Melancholia and other affective disorders
Data analysis in psychiatric r
Rankings
Ranking Based On Selection: 7
Vaughan Carr
Metrics
H-Index
i10 Index
Citation Counts
84
246
40,450
Rankings
Ranking Based On Selection: 8
Colleen Loo
Metrics
H-Index
i10 Index
Citation Counts
82
221
24,602
Depression
mood disorders
novel treatments
brain stimulation
neuromodulation
Rankings
Ranking Based On Selection: 9
Brian Draper
Metrics
H-Index
i10 Index
Citation Counts
74
247
18,727
Rankings
Ranking Based On Selection: 10
Marie Paule Austin
Metrics
H-Index
i10 Index
Citation Counts
72
159
18,641

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
Zachary Steel
Metrics
H-Index
i10 Index
Citation Counts
68
161
25,959
PTSD
Emergency Services
Global Mental Health
Human Rights
Psychiatric epidemiology
Rankings
Ranking Based On Selection: 12
Melissa Green
Metrics
H-Index
i10 Index
Citation Counts
64
190
18,993
Psychiatry & Mental health
Developmental psychopathology
Rankings
Ranking Based On Selection: 13
Samuel Harvey
Metrics
H-Index
i10 Index
Citation Counts
60
132
14,777
Common Mental Disorders
Workplace Mental Health
Occupational Psychiatry
Work Stress
Fatigue
Rankings
Ranking Based On Selection: 14
Nicole Kochan
Metrics
H-Index
i10 Index
Citation Counts
60
150
12,603
Rankings
Ranking Based On Selection: 15
Valsamma Eapen
Metrics
H-Index
i10 Index
Citation Counts
60
218
15,461
Rankings
Ranking Based On Selection: 16
Simone Reppermund
Metrics
H-Index
i10 Index
Citation Counts
56
100
11,841
Rankings
Ranking Based On Selection: 17
Melissa Slavin
Metrics
H-Index
i10 Index
Citation Counts
44
66
9,457
Geriatrics
Psychogeriatrics
Neuropsychology
Dementia
Gerontology
Rankings
Ranking Based On Selection: 18
Kimberlie Dean
Metrics
H-Index
i10 Index
Citation Counts
41
85
7,195
forensic psychiatry
psychiatric epidemiology
forensic mental health
Rankings
Ranking Based On Selection: 20
Jackie Curtis
Metrics
H-Index
i10 Index
Citation Counts
31
60
5,684
mental health
psychiatry
cardiometabolic health
FEP
Rankings
Ranking Based On Selection: 21
Michael Dudley
Metrics
H-Index
i10 Index
Citation Counts
31
46
3,339
suicide prevention
youth mental health
human rights
indigenous people
refugees
Rankings
Ranking Based On Selection: 22
Yann Quidé
Metrics
H-Index
i10 Index
Citation Counts
28
44
3,633
Rankings
Ranking Based On Selection: 23
Bronwyn Graham
Metrics
H-Index
i10 Index
Citation Counts
28
53
3,297
Translational Psychiatry and Clinical Psychology
Rankings
Ranking Based On Selection: 24
Mark Deady
Metrics
H-Index
i10 Index
Citation Counts
27
53
2,875
Common Mental Disorders
eHealth
Workplace Mental Health
Occupational Psychiatry
comorbidity
Rankings
Ranking Based On Selection: 25
Moyra Mortby
Metrics
H-Index
i10 Index
Citation Counts
27
37
3,185
Alzheimer's Disease
Mild Cognitive Impairment
Neuropsychiatric Symptoms
Mild Behavioural Impairment
Apathy
Rankings
Ranking Based On Selection: 26
Alvin Kuowei Tay
Metrics
H-Index
i10 Index
Citation Counts
27
54
2,704
Global and public mental health
psychiatric epidemiology
computational and precision psychiatry
Rankings
Ranking Based On Selection: 27
Adriano Henrique de Matos Moffa
Metrics
H-Index
i10 Index
Citation Counts
23
29
3,489
Rankings
Ranking Based On Selection: 29
Sarah Mares
Metrics
H-Index
i10 Index
Citation Counts
20
28
1,559
perinatal/ infant child & family mental health
complex trauma
refugees asylum seekers
human
Rankings
Ranking Based On Selection: 30
Adam Bayes
Metrics
H-Index
i10 Index
Citation Counts
17
27
1,112
Psychiatry
bipolar disorder
borderline personality disorder
Rankings
Ranking Based On Selection: 31
Amelia Paterson
Metrics
H-Index
i10 Index
Citation Counts
17
20
922
psychiatry
psychology
bipolar
depression
mood disorder
Rankings
Ranking Based On Selection: 32
Iain Perkes
Metrics
H-Index
i10 Index
Citation Counts
16
19
2,038
Rankings
Ranking Based On Selection: 33
Anne Nicole Casey
Metrics
H-Index
i10 Index
Citation Counts
12
13
999
dementia
gerontology
social networks
psychosocial interventions
long-term care
Rankings
Ranking Based On Selection: 34
Erin Louise Whittle
Metrics
H-Index
i10 Index
Citation Counts
12
12
834
Qualitative research
mental health
intellectual disability
public health
Rankings
Ranking Based On Selection: 35
Trevor Ma
Metrics
H-Index
i10 Index
Citation Counts
5
5
183
Rankings
Ranking Based On Selection: 36
Ashna Basu
Metrics
H-Index
i10 Index
Citation Counts
5
4
1,210
Rankings
Ranking Based On Selection: 37
Lux Ratnamohan
Metrics
H-Index
i10 Index
Citation Counts
4
3
67
child psychiatry
school attendance problems
refugee mental health
attachment theory
Rankings
Ranking Based On Selection: 38
Adrian Cheng
Metrics
H-Index
i10 Index
Citation Counts
3
2
65
Rankings
Ranking Based On Selection: 39
Patrick Hawker
Metrics
H-Index
i10 Index
Citation Counts
3
0
15