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" (1,010,204 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
Sarah Hardcastle
behaviour change
physical activity
health
psychology
interventions
Metrics
H-Index
i10 Index
Citation
40
68
5,242
* Rankings
Ranking Based On Selection :2
Janine Bosak
gender
leadership
stereotypes
organizational climate
safety climate
Metrics
H-Index
i10 Index
Citation
34
51
4,460
Edel Conway
Organisational Behaviour/ Psychology
Employee Well-being and Engagement
Managing Change
Metrics
H-Index
i10 Index
Citation
24
32
2,931
Teresa Burke
Neuropsychology
Behavioural Neuroscience
Metrics
H-Index
i10 Index
Citation
23
31
2,082
Rosaleen Mcelvaney
Child abuse and trauma
Psychotherapy
Metrics
H-Index
i10 Index
Citation
22
34
2,777
Lisa Van Der Werff
Work and Organisational Psychology
Trust
Metrics
H-Index
i10 Index
Citation
19
24
1,850
Sinéad Smyth
Psychology
Behaviour change
Learning
Gamification
Sleep
Metrics
H-Index
i10 Index
Citation
17
23
1,015
Kathleen Ryan
digital health
health psychology
public health
HCI
behavioural science
Metrics
H-Index
i10 Index
Citation
5
4
234
Beatrice Sciacca
psychology
bullying
technology use
prejudice
Metrics
H-Index
i10 Index
Citation
3
2
94
Megan Reynolds
Psychology
Unwanted Sexual Experiences among university students
Metrics
H-Index
i10 Index
Citation
3
1
27
Éamon Jones
Psychopharmacology
Neuroscience
Neuropsychology
Medicine
Research
Metrics
H-Index
i10 Index
Citation
2
1
84
Cathal Blake
Neurodegenerative diseases
cognition
young/early onset dementia
Metrics
H-Index
i10 Index
Citation
1
0
10
Rankings
Ranking Based On Selection: 1
Sarah Hardcastle
Metrics
H-Index
i10 Index
Citation Counts
40
68
5,242
behaviour change
physical activity
health
psychology
interventions
Rankings
Ranking Based On Selection: 2
Janine Bosak
Metrics
H-Index
i10 Index
Citation Counts
34
51
4,460
gender
leadership
stereotypes
organizational climate
safety climate
Rankings
Ranking Based On Selection: 3
Catherine Fassbender
Metrics
H-Index
i10 Index
Citation Counts
25
32
3,467
Rankings
Ranking Based On Selection: 4
Edel Conway
Metrics
H-Index
i10 Index
Citation Counts
24
32
2,931
Organisational Behaviour/ Psychology
Employee Well-being and Engagement
Managing Change
Rankings
Ranking Based On Selection: 5
Teresa Burke
Metrics
H-Index
i10 Index
Citation Counts
23
31
2,082
Neuropsychology
Behavioural Neuroscience
Rankings
Ranking Based On Selection: 6
Rosaleen Mcelvaney
Metrics
H-Index
i10 Index
Citation Counts
22
34
2,777
Rankings
Ranking Based On Selection: 7
Lisa Van Der Werff
Metrics
H-Index
i10 Index
Citation Counts
19
24
1,850
Work and Organisational Psychology
Trust
Rankings
Ranking Based On Selection: 8
Sinéad Smyth
Metrics
H-Index
i10 Index
Citation Counts
17
23
1,015
Psychology
Behaviour change
Learning
Gamification
Sleep
Rankings
Ranking Based On Selection: 9
Kathleen Ryan
Metrics
H-Index
i10 Index
Citation Counts
5
4
234
digital health
health psychology
public health
HCI
behavioural science
Rankings
Ranking Based On Selection: 10
Beatrice Sciacca
Metrics
H-Index
i10 Index
Citation Counts
3
2
94
psychology
bullying
technology use
prejudice
Rankings
Ranking Based On Selection: 11
Megan Reynolds
Metrics
H-Index
i10 Index
Citation Counts
3
1
27
Psychology
Unwanted Sexual Experiences among university students
Rankings
Ranking Based On Selection: 12
Éamon Jones
Metrics
H-Index
i10 Index
Citation Counts
2
1
84
Psychopharmacology
Neuroscience
Neuropsychology
Medicine
Research
Rankings
Ranking Based On Selection: 13
Cathal Blake
Metrics
H-Index
i10 Index
Citation Counts
1
0
10
Neurodegenerative diseases
cognition
young/early onset dementia
Rankings
Ranking Based On Selection: 14
David Redmond
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 15
Lillian Doyle
Metrics
H-Index
i10 Index
Citation Counts
1
0
3