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
Ashraf Kagee
HIV/ AIDS
adherence
mental health
Metrics
H-Index
i10 Index
Citation
53
169
16,486
* Rankings
Ranking Based On Selection: 2
Gideon P. De Bruin
Psychometrics
Personality
Career Development
Stress
Metrics
H-Index
i10 Index
Citation
36
70
3,828
* Rankings
Ranking Based On Selection: 3
Robert Patrick Lamberts
Monitoring
Over-training
HRR/HRV
Biomechanics
Orthopaedics
Metrics
H-Index
i10 Index
Citation
33
64
4,891
* Rankings
Ranking Based On Selection: 5
Pumla Gobodo-Madikizela
Psychoanalytic psychology
trauma
forgiveness
empathy
truth commissions
Metrics
H-Index
i10 Index
Citation
24
44
2,810
* Rankings
Ranking Based On Selection: 6
Bronwyne Coetzee
Medication adherence
child and adolescent mental health
chronic illness
Metrics
H-Index
i10 Index
Citation
19
34
1,153
* Rankings
Ranking Based On Selection: 7
Chrisma Pretorius
Functional / Dissociative seizures
FNDS
Dementia
Multiple Sclerosis
Clinical neuropsychology
Metrics
H-Index
i10 Index
Citation
18
30
1,128
* Rankings
Ranking Based On Selection: 9
Callie Theron
Selection fairness
adverse impact
learning potential
Metrics
H-Index
i10 Index
Citation
18
22
1,250
* Rankings
Ranking Based On Selection: 10
Hermann Swart
Diversity
Intergroup Contact
Intergroup Relations
Prejudice
Cross-group Friendships
Metrics
H-Index
i10 Index
Citation
17
18
2,551

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
Elmien Lesch
Close relationships: parent-child
romantic
sexual
Metrics
H-Index
i10 Index
Citation
15
22
665
* Rankings
Ranking Based On Selection: 14
Lorna M Dreyer
Inclusive education and Learning Support
Teacher Professional Development
Metrics
H-Index
i10 Index
Citation
12
14
520
* Rankings
Ranking Based On Selection: 15
Munita Dunn
Developmental psychology
Educational Psychology
Psychometry
Play Therapy
Leadership Development
Metrics
H-Index
i10 Index
Citation
12
12
741
* Rankings
Ranking Based On Selection: 16
Gina Görgens-Ekermans
Emotional Intelligence
Cross-cultural assessment
Metrics
H-Index
i10 Index
Citation
12
12
1,331
* Rankings
Ranking Based On Selection: 17
Lynn Hendricks
Qualitative evidence synthesis
arts based research
third sphere
climate
social determinants of
Metrics
H-Index
i10 Index
Citation
11
11
601
* Rankings
Ranking Based On Selection: 18
Anouk Jasmine Albien
Career counselling
resilience
career resources
career transitions and migration
Metrics
H-Index
i10 Index
Citation
9
9
221
* Rankings
Ranking Based On Selection: 19
Melissa Bradshaw
Psychology
caregiving
health psychology
life course research
Metrics
H-Index
i10 Index
Citation
7
6
394
Janine Oosthuizen, Truter
Coaching
Psychology
Organisational Development
Assessments
Metrics
H-Index
i10 Index
Citation
6
4
110
Maura Lappeman
Clinical psychology
maternal mental health
trauma
stressed organisations
Metrics
H-Index
i10 Index
Citation
4
3
115
Wihan Lategan
Consumer behaviour and psychology
Drinking behaviour
Status and conspicuous consumption
Middle class consumption
Metrics
H-Index
i10 Index
Citation
3
3
95
Ngoako Japhta Mashatola
Positive psychology
Social psychology
Industrial psychology
Psychology of leadership
Metrics
H-Index
i10 Index
Citation
3
1
27
Claudia Swinny
Public mental health
mental health
psychology
community health
Metrics
H-Index
i10 Index
Citation
1
0
8
Rankings
Ranking Based On Selection: 1
Ashraf Kagee
Metrics
H-Index
i10 Index
Citation Counts
53
169
16,486
Rankings
Ranking Based On Selection: 2
Gideon P. De Bruin
Metrics
H-Index
i10 Index
Citation Counts
36
70
3,828
Psychometrics
Personality
Career Development
Stress
Rankings
Ranking Based On Selection: 3
Robert Patrick Lamberts
Metrics
H-Index
i10 Index
Citation Counts
33
64
4,891
Monitoring
Over-training
HRR/HRV
Biomechanics
Orthopaedics
Rankings
Ranking Based On Selection: 4
Anthony Vernon Naidoo
Metrics
H-Index
i10 Index
Citation Counts
27
56
2,197
Rankings
Ranking Based On Selection: 5
Pumla Gobodo-Madikizela
Metrics
H-Index
i10 Index
Citation Counts
24
44
2,810
Psychoanalytic psychology
trauma
forgiveness
empathy
truth commissions
Rankings
Ranking Based On Selection: 6
Bronwyne Coetzee
Metrics
H-Index
i10 Index
Citation Counts
19
34
1,153
Medication adherence
child and adolescent mental health
chronic illness
Rankings
Ranking Based On Selection: 7
Chrisma Pretorius
Metrics
H-Index
i10 Index
Citation Counts
18
30
1,128
Functional / Dissociative seizures
FNDS
Dementia
Multiple Sclerosis
Clinical neuropsychology
Rankings
Ranking Based On Selection: 8
Ronel Du Preez
Metrics
H-Index
i10 Index
Citation Counts
18
27
994
Rankings
Ranking Based On Selection: 9
Callie Theron
Metrics
H-Index
i10 Index
Citation Counts
18
22
1,250
Selection fairness
adverse impact
learning potential
Rankings
Ranking Based On Selection: 10
Hermann Swart
Metrics
H-Index
i10 Index
Citation Counts
17
18
2,551
Diversity
Intergroup Contact
Intergroup Relations
Prejudice
Cross-group Friendships

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
Elmien Lesch
Metrics
H-Index
i10 Index
Citation Counts
15
22
665
Close relationships: parent-child
romantic
sexual
Rankings
Ranking Based On Selection: 12
Heinrich Grobbelaar
Metrics
H-Index
i10 Index
Citation Counts
14
18
598
Rankings
Ranking Based On Selection: 13
Desmond Painter
Metrics
H-Index
i10 Index
Citation Counts
14
16
6,302
Rankings
Ranking Based On Selection: 14
Lorna M Dreyer
Metrics
H-Index
i10 Index
Citation Counts
12
14
520
Inclusive education and Learning Support
Teacher Professional Development
Rankings
Ranking Based On Selection: 15
Munita Dunn
Metrics
H-Index
i10 Index
Citation Counts
12
12
741
Developmental psychology
Educational Psychology
Psychometry
Play Therapy
Leadership Development
Rankings
Ranking Based On Selection: 16
Gina Görgens-Ekermans
Metrics
H-Index
i10 Index
Citation Counts
12
12
1,331
Emotional Intelligence
Cross-cultural assessment
Rankings
Ranking Based On Selection: 17
Lynn Hendricks
Metrics
H-Index
i10 Index
Citation Counts
11
11
601
Qualitative evidence synthesis
arts based research
third sphere
climate
social determinants of
Rankings
Ranking Based On Selection: 18
Anouk Jasmine Albien
Metrics
H-Index
i10 Index
Citation Counts
9
9
221
Career counselling
resilience
career resources
career transitions and migration
Rankings
Ranking Based On Selection: 19
Melissa Bradshaw
Metrics
H-Index
i10 Index
Citation Counts
7
6
394
Psychology
caregiving
health psychology
life course research
Rankings
Ranking Based On Selection: 20
Billy Boonzaier
Metrics
H-Index
i10 Index
Citation Counts
6
6
578
Job design
Job Demands-Resources Model
Rankings
Ranking Based On Selection: 21
Janine Oosthuizen, Truter
Metrics
H-Index
i10 Index
Citation Counts
6
4
110
Coaching
Psychology
Organisational Development
Assessments
Rankings
Ranking Based On Selection: 22
Johan Malan|DJ Malan
Metrics
H-Index
i10 Index
Citation Counts
5
4
145
Rankings
Ranking Based On Selection: 23
Maura Lappeman
Metrics
H-Index
i10 Index
Citation Counts
4
3
115
Clinical psychology
maternal mental health
trauma
stressed organisations
Rankings
Ranking Based On Selection: 24
Jean Luyt
Metrics
H-Index
i10 Index
Citation Counts
4
1
38
Rankings
Ranking Based On Selection: 25
Wihan Lategan
Metrics
H-Index
i10 Index
Citation Counts
3
3
95
Consumer behaviour and psychology
Drinking behaviour
Status and conspicuous consumption
Middle class consumption
Rankings
Ranking Based On Selection: 26
Ngoako Japhta Mashatola
Metrics
H-Index
i10 Index
Citation Counts
3
1
27
Positive psychology
Social psychology
Industrial psychology
Psychology of leadership
Rankings
Ranking Based On Selection: 27
Claudia Swinny
Metrics
H-Index
i10 Index
Citation Counts
1
0
8
Public mental health
mental health
psychology
community health
Rankings
Ranking Based On Selection: 28
Nicole Attridge
Metrics
H-Index
i10 Index
Citation Counts
1
0
8
Rankings
Ranking Based On Selection: 29
Elsabe Grotzinger
Metrics
H-Index
i10 Index
Citation Counts
1
0
2