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" (873,937 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 :9
David Oscar Yawson
land and water management
environmental management
agri-food systems
GIS and remote sensing
Environmental change
Metrics
H-Index
i10 Index
Citation
26
48
2,817
* Rankings
Ranking Based On Selection :10
Winston Moore
Small States
Environment
Private Sector Development
Econometrics
Metrics
H-Index
i10 Index
Citation
26
50
2,356
* Rankings
Ranking Based On Selection :12
Mahalia Jackman
inclusive development
small states
quantitative research
LGBTQ
growth and development
Metrics
H-Index
i10 Index
Citation
21
28
1,307
* Rankings
Ranking Based On Selection :13
Troy Lorde
tourism economics
tourism management
trade and development
growth and development
small states
Metrics
H-Index
i10 Index
Citation
20
31
1,863
* Rankings
Ranking Based On Selection :14
Dwayne Devonish
organizational behavior
work psychology
stress and health
workplace bullying
human resource management
Metrics
H-Index
i10 Index
Citation
20
28
2,822
* Rankings
Ranking Based On Selection :16
Alok Kumar
Infectious Diseases
Primary health care of children
Allergenic disorders and Asthma
Medical Education
Metrics
H-Index
i10 Index
Citation
18
24
1,187
* Rankings
Ranking Based On Selection :24
Kenneth Connell
hypertension
health systems
racial disparities
CVD guidelines
Metrics
H-Index
i10 Index
Citation
14
16
1,287
* Rankings
Ranking Based On Selection :30
Casey Duane Allen|Case Allen, C Duane Allen, CD Allen
Geography
(Urban) Geomorphology
(Cultural) Stone Deterioration
Humanistic Geography
Landscape
Metrics
H-Index
i10 Index
Citation
13
24
658
* Rankings
Ranking Based On Selection :31
S Joel Warrican
Language and Literacy
multiculturalism
Higher Education
Democracy In Education
Colonialism in Caribbean Education
Metrics
H-Index
i10 Index
Citation
13
16
588
* Rankings
Ranking Based On Selection :32
Evelyn O Callaghan
Early Caribbean literature
eco-criticism
Caribbean women's writing
images of early Caribbean landscape
Metrics
H-Index
i10 Index
Citation
13
22
885
* Rankings
Ranking Based On Selection :36
Brian M Francis
Trade and Development
International Finance
Applied Econometrics
Metrics
H-Index
i10 Index
Citation
12
16
989
* Rankings
Ranking Based On Selection :37
Marquita Gittens
Microbiology
infectious diseases
vector-borne diseases
antimicrobial resistance
Metrics
H-Index
i10 Index
Citation
12
16
813
* Rankings
Ranking Based On Selection :39
Pamela Gaskin
Obesity nutrition children blood pressure
Metrics
H-Index
i10 Index
Citation
12
14
587
* Rankings
Ranking Based On Selection :40
Bernd Sing
Aperiodic Tilings
Discrete Geometry
Algebraic Number Theory
Dynamical Systems
Visualisation
Metrics
H-Index
i10 Index
Citation
12
14
382
* Rankings
Ranking Based On Selection :42
Mechelle Gittens
Software Engineering
SQA
Software Reliabilty
Quality of Life Technologies
Mobile Technologies
Metrics
H-Index
i10 Index
Citation
12
15
375
* Rankings
Ranking Based On Selection :46
Stacey Blackman
special education
inclusive education
disability studies
Metrics
H-Index
i10 Index
Citation
10
10
361
* Rankings
Ranking Based On Selection :53
Corin Bailey
Crime and gender
Children in violent circumstances
Poverty
Qualitative Research Methods
Metrics
H-Index
i10 Index
Citation
9
8
289
* Rankings
Ranking Based On Selection :54
F. Ochieng'-Odhiambo
African Philosophy
Social Political Philosophy
Logic
Metrics
H-Index
i10 Index
Citation
9
8
312
* Rankings
Ranking Based On Selection :55
Marilaine Mota Meira
microbiology
food microbiology
antimicrobial compounds from marine bacteria
bacteriocins
Metrics
H-Index
i10 Index
Citation
8
6
1,126
* Rankings
Ranking Based On Selection :56
Halimah Deshong
Feminist Methodologies
Gendered Violence
Anti/De-Colonial Feminism
Men and Masculinities
Metrics
H-Index
i10 Index
Citation
8
8
277
* Rankings
Ranking Based On Selection :57
Alina Kaczorowska Ireland
• European Union Law
Public International Law
Caribbean Integration Law
Caribbean Competition Law
Metrics
H-Index
i10 Index
Citation
8
7
1,105
* Rankings
Ranking Based On Selection :58
Akhentoolove Corbin
Harmony
HRM
Leadership and competitiveness in Africa and Diaspora in Caribbean: small island emerging economies
Metrics
H-Index
i10 Index
Citation
8
7
141
* Rankings
Ranking Based On Selection :59
Wendy C Grenade
Caribbean integration
Politics in Grenada
Caribbean governance and Security
Global Health Security
Metrics
H-Index
i10 Index
Citation
8
8
183
* Rankings
Ranking Based On Selection :60
Mia Amour Jules
Psychology
Education
Emerging Adulthood
Adolescence
Risk Behaviour
Metrics
H-Index
i10 Index
Citation
7
5
127
* Rankings
Ranking Based On Selection :62
Cynthia Barrow-Giles
Caribbean constitutionalism
Elections
electoral observation
women in politics
democracy and governance
Metrics
H-Index
i10 Index
Citation
7
6
174
* Rankings
Ranking Based On Selection :63
Coreen J. Leacock
Mathematics Education
Technology Use in Education
Literacy Across the Curriculum
Educational Research Methods
Small State Is
Metrics
H-Index
i10 Index
Citation
7
6
281
* Rankings
Ranking Based On Selection :69
Curtis Gittens
believable virtual agents
artificial societies
cognitive models
human robot interaction
Metrics
H-Index
i10 Index
Citation
6
4
140
* Rankings
Ranking Based On Selection :71
Cristina JöNsson
Foreign Direct Investment in Tourism (TFDI)
Sport Tourism
Medical Tourism
Tourism Planning & Development
Metrics
H-Index
i10 Index
Citation
6
5
666
* Rankings
Ranking Based On Selection :72
Tennyson Joseph
Caribbean Political Thought
Sovereignty
Decolonisation
Globalisation
Political Philosophy
Metrics
H-Index
i10 Index
Citation
6
4
129
* Rankings
Ranking Based On Selection :76
Pedro Welch
history of medicine
history of chattel slavery
the jewish diaspora in the New World
Metrics
H-Index
i10 Index
Citation
6
2
195
* Rankings
Ranking Based On Selection :81
Suzanne Workman
antimicrobial resistance
ESBL- and carbapenemase-producing Enterobacteriaceae
human papillomavirus
Campylobacter enteritis
Metrics
H-Index
i10 Index
Citation
5
4
661
Rankings
Ranking Based On Selection: 1
Ian Hambleton
Metrics
H-Index
i10 Index
Citation Counts
58
138
35,923
Rankings
Ranking Based On Selection: 2
Robert Clive Landis
Metrics
H-Index
i10 Index
Citation Counts
39
71
5,865
Rankings
Ranking Based On Selection: 4
Marc C Lavoie
Metrics
H-Index
i10 Index
Citation Counts
32
55
4,839
Rankings
Ranking Based On Selection: 5
Philmore Alleyne
Metrics
H-Index
i10 Index
Citation Counts
30
43
3,536
Accounting
Auditing
Corporate Governance
Whistleblowing
Ethics
Rankings
Ranking Based On Selection: 6
Leonard Nurse
Metrics
H-Index
i10 Index
Citation Counts
29
41
23,178
coastal processes
coastal geomorphology
climate change
environment
Rankings
Ranking Based On Selection: 7
Srinivasa Rao Popuri
Metrics
H-Index
i10 Index
Citation Counts
28
48
3,196
Adsorption
Membrane Technology & Resource Recycling
Rankings
Ranking Based On Selection: 8
Md Anwarul Azim Majumder
Metrics
H-Index
i10 Index
Citation Counts
26
55
3,572
Medical Education
Public Health
Health Care Management
Rankings
Ranking Based On Selection: 9
David Oscar Yawson
Metrics
H-Index
i10 Index
Citation Counts
26
48
2,817
land and water management
environmental management
agri-food systems
GIS and remote sensing
Environmental change
Rankings
Ranking Based On Selection: 10
Winston Moore
Metrics
H-Index
i10 Index
Citation Counts
26
50
2,356
Small States
Environment
Private Sector Development
Econometrics
Rankings
Ranking Based On Selection: 11
Joan Phillips
Metrics
H-Index
i10 Index
Citation Counts
22
29
1,547
Rankings
Ranking Based On Selection: 12
Mahalia Jackman
Metrics
H-Index
i10 Index
Citation Counts
21
28
1,307
inclusive development
small states
quantitative research
LGBTQ
growth and development
Rankings
Ranking Based On Selection: 13
Troy Lorde
Metrics
H-Index
i10 Index
Citation Counts
20
31
1,863
tourism economics
tourism management
trade and development
growth and development
small states
Rankings
Ranking Based On Selection: 14
Dwayne Devonish
Metrics
H-Index
i10 Index
Citation Counts
20
28
2,822
organizational behavior
work psychology
stress and health
workplace bullying
human resource management
Rankings
Ranking Based On Selection: 15
Adrian Cashman
Metrics
H-Index
i10 Index
Citation Counts
20
27
1,549
Rankings
Ranking Based On Selection: 16
Alok Kumar
Metrics
H-Index
i10 Index
Citation Counts
18
24
1,187
Infectious Diseases
Primary health care of children
Allergenic disorders and Asthma
Medical Education
Rankings
Ranking Based On Selection: 17
O Peter Adams
Metrics
H-Index
i10 Index
Citation Counts
17
22
1,170
Diabetes
Hypertension
HIV
STI
Rankings
Ranking Based On Selection: 18
Madhuvanti M Murphy
Metrics
H-Index
i10 Index
Citation Counts
17
19
945
Public Health
NCDs
Social determinants
food security
nutrition security
Rankings
Ranking Based On Selection: 19
Yvonne Vallès
Metrics
H-Index
i10 Index
Citation Counts
17
20
1,749
Rankings
Ranking Based On Selection: 21
Sarah L Sutrina
Metrics
H-Index
i10 Index
Citation Counts
16
21
1,104
Rankings
Ranking Based On Selection: 22
Dion Greenidge
Metrics
H-Index
i10 Index
Citation Counts
15
16
1,537
Rankings
Ranking Based On Selection: 23
CM Sean Carrington
Metrics
H-Index
i10 Index
Citation Counts
15
17
1,062
Rankings
Ranking Based On Selection: 24
Kenneth Connell
Metrics
H-Index
i10 Index
Citation Counts
14
16
1,287
hypertension
health systems
racial disparities
CVD guidelines
Rankings
Ranking Based On Selection: 25
Henri Vallès
Metrics
H-Index
i10 Index
Citation Counts
14
17
662
Rankings
Ranking Based On Selection: 28
Kandamaran Krishnamurthy
Metrics
H-Index
i10 Index
Citation Counts
13
14
712
Pediatric Critical Care and Allergy/Asthma/nutrition/medical education
Rankings
Ranking Based On Selection: 29
Nadini Persaud
Metrics
H-Index
i10 Index
Citation Counts
13
14
460
Rankings
Ranking Based On Selection: 30
Geography
(Urban) Geomorphology
(Cultural) Stone Deterioration
Humanistic Geography
Landscape
Rankings
Ranking Based On Selection: 31
S Joel Warrican
Metrics
H-Index
i10 Index
Citation Counts
13
16
588
Language and Literacy
multiculturalism
Higher Education
Democracy In Education
Colonialism in Caribbean Education
Rankings
Ranking Based On Selection: 32
Evelyn O Callaghan
Metrics
H-Index
i10 Index
Citation Counts
13
22
885
Early Caribbean literature
eco-criticism
Caribbean women's writing
images of early Caribbean landscape
Rankings
Ranking Based On Selection: 33
Don Marshall
Metrics
H-Index
i10 Index
Citation Counts
13
20
690
Rankings
Ranking Based On Selection: 34
Jennifer Obidah
Metrics
H-Index
i10 Index
Citation Counts
13
14
1,560
teacher education
race and education
urban schooling
Rankings
Ranking Based On Selection: 36
Brian M Francis
Metrics
H-Index
i10 Index
Citation Counts
12
16
989
Trade and Development
International Finance
Applied Econometrics
Rankings
Ranking Based On Selection: 37
Marquita Gittens
Metrics
H-Index
i10 Index
Citation Counts
12
16
813
Microbiology
infectious diseases
vector-borne diseases
antimicrobial resistance
Rankings
Ranking Based On Selection: 38
Grace Fayombo
Metrics
H-Index
i10 Index
Citation Counts
12
13
801
Adolescent developmental and transitional problems
Rankings
Ranking Based On Selection: 39
Pamela Gaskin
Metrics
H-Index
i10 Index
Citation Counts
12
14
587
Obesity nutrition children blood pressure
Rankings
Ranking Based On Selection: 40
Bernd Sing
Metrics
H-Index
i10 Index
Citation Counts
12
14
382
Aperiodic Tilings
Discrete Geometry
Algebraic Number Theory
Dynamical Systems
Visualisation
Rankings
Ranking Based On Selection: 42
Mechelle Gittens
Metrics
H-Index
i10 Index
Citation Counts
12
15
375
Software Engineering
SQA
Software Reliabilty
Quality of Life Technologies
Mobile Technologies
Rankings
Ranking Based On Selection: 43
Psychological assessment
Identity
Depression
Anxiety
Counsellor Education
Rankings
Ranking Based On Selection: 44
Shane Austin
Metrics
H-Index
i10 Index
Citation Counts
10
10
1,107
Mitochondria
ROS
Cation Exchange
Metabolism
Active learning
Rankings
Ranking Based On Selection: 45
Ambadasu Bharatha
Metrics
H-Index
i10 Index
Citation Counts
10
10
1,108
Rankings
Ranking Based On Selection: 46
Stacey Blackman
Metrics
H-Index
i10 Index
Citation Counts
10
10
361
special education
inclusive education
disability studies
Rankings
Ranking Based On Selection: 47
Antonio Alleyne
Metrics
H-Index
i10 Index
Citation Counts
10
10
374
Rankings
Ranking Based On Selection: 49
Angela Alleyne
Metrics
H-Index
i10 Index
Citation Counts
9
9
336
Plant pathology
molecular markers
bioinformatics
biotechnology
Rankings
Ranking Based On Selection: 50
Janice Cumberbatch
Metrics
H-Index
i10 Index
Citation Counts
9
8
320
Tourism
EIA
Climate Change
Social Surveys
Public participation
Rankings
Ranking Based On Selection: 51
Leah Garner-O'Neale
Metrics
H-Index
i10 Index
Citation Counts
9
8
315
Science Education
Bonding in Inorganic Molecules
Water Chemistry
Rankings
Ranking Based On Selection: 52
Kirk Douglas
Metrics
H-Index
i10 Index
Citation Counts
9
8
257
biosecurity
climate change
One Health
circular bioeconomy
zoonoses
Rankings
Ranking Based On Selection: 53
Corin Bailey
Metrics
H-Index
i10 Index
Citation Counts
9
8
289
Crime and gender
Children in violent circumstances
Poverty
Qualitative Research Methods
Rankings
Ranking Based On Selection: 54
F. Ochieng'-Odhiambo
Metrics
H-Index
i10 Index
Citation Counts
9
8
312
African Philosophy
Social Political Philosophy
Logic
Rankings
Ranking Based On Selection: 55
Marilaine Mota Meira
Metrics
H-Index
i10 Index
Citation Counts
8
6
1,126
microbiology
food microbiology
antimicrobial compounds from marine bacteria
bacteriocins
Rankings
Ranking Based On Selection: 56
Halimah Deshong
Metrics
H-Index
i10 Index
Citation Counts
8
8
277
Feminist Methodologies
Gendered Violence
Anti/De-Colonial Feminism
Men and Masculinities
Rankings
Ranking Based On Selection: 57
Alina Kaczorowska Ireland
Metrics
H-Index
i10 Index
Citation Counts
8
7
1,105
• European Union Law
Public International Law
Caribbean Integration Law
Caribbean Competition Law
Rankings
Ranking Based On Selection: 58
Akhentoolove Corbin
Metrics
H-Index
i10 Index
Citation Counts
8
7
141
Harmony
HRM
Leadership and competitiveness in Africa and Diaspora in Caribbean: small island emerging economies
Rankings
Ranking Based On Selection: 59
Wendy C Grenade
Metrics
H-Index
i10 Index
Citation Counts
8
8
183
Caribbean integration
Politics in Grenada
Caribbean governance and Security
Global Health Security
Rankings
Ranking Based On Selection: 60
Mia Amour Jules
Metrics
H-Index
i10 Index
Citation Counts
7
5
127
Psychology
Education
Emerging Adulthood
Adolescence
Risk Behaviour
Rankings
Ranking Based On Selection: 61
Wayne Charles-Soverall
Metrics
H-Index
i10 Index
Citation Counts
7
7
439
Public Sector Management
Governance
Public Enterprise Management
Rankings
Ranking Based On Selection: 62
Cynthia Barrow-Giles
Metrics
H-Index
i10 Index
Citation Counts
7
6
174
Caribbean constitutionalism
Elections
electoral observation
women in politics
democracy and governance
Rankings
Ranking Based On Selection: 63
Coreen J. Leacock
Metrics
H-Index
i10 Index
Citation Counts
7
6
281
Mathematics Education
Technology Use in Education
Literacy Across the Curriculum
Educational Research Methods
Small State Is
Rankings
Ranking Based On Selection: 64
Jeanese Badenock
Metrics
H-Index
i10 Index
Citation Counts
7
4
174
Rankings
Ranking Based On Selection: 65
Upindranath Singh
Metrics
H-Index
i10 Index
Citation Counts
7
6
180
Rankings
Ranking Based On Selection: 66
Diana Weekes-Marshall
Metrics
H-Index
i10 Index
Citation Counts
6
6
275
Corporate Governance
Risk Management
Accounting
Auditing
Rankings
Ranking Based On Selection: 67
Tonya Haynes
Metrics
H-Index
i10 Index
Citation Counts
6
6
151
gender studies
Caribbean studies
feminist theory
Rankings
Ranking Based On Selection: 68
Kristina Hinds (Harrison)
Metrics
H-Index
i10 Index
Citation Counts
6
5
130
Rankings
Ranking Based On Selection: 69
Curtis Gittens
Metrics
H-Index
i10 Index
Citation Counts
6
4
140
believable virtual agents
artificial societies
cognitive models
human robot interaction
Rankings
Ranking Based On Selection: 70
Latoya Lazarus
Metrics
H-Index
i10 Index
Citation Counts
6
4
87
Sociology of Religion
Sexual Citizenship Studies
Rankings
Ranking Based On Selection: 71
Cristina JöNsson
Metrics
H-Index
i10 Index
Citation Counts
6
5
666
Foreign Direct Investment in Tourism (TFDI)
Sport Tourism
Medical Tourism
Tourism Planning & Development
Rankings
Ranking Based On Selection: 72
Tennyson Joseph
Metrics
H-Index
i10 Index
Citation Counts
6
4
129
Caribbean Political Thought
Sovereignty
Decolonisation
Globalisation
Political Philosophy
Rankings
Ranking Based On Selection: 73
Tara Inniss
Metrics
H-Index
i10 Index
Citation Counts
6
3
81
Caribbean history
history of medicine
heritage
Rankings
Ranking Based On Selection: 74
Tracey Broome
Metrics
H-Index
i10 Index
Citation Counts
6
5
405
R&D by Small Enterprises
Innovation
Firm Performance
Rankings
Ranking Based On Selection: 75
İsabelle Constant
Metrics
H-Index
i10 Index
Citation Counts
6
3
105
French literature
African Literature
Caribbean Literature
Rankings
Ranking Based On Selection: 76
Pedro Welch
Metrics
H-Index
i10 Index
Citation Counts
6
2
195
history of medicine
history of chattel slavery
the jewish diaspora in the New World
Rankings
Ranking Based On Selection: 77
Janak Sodha
Metrics
H-Index
i10 Index
Citation Counts
6
3
91
Rankings
Ranking Based On Selection: 78
Kahiudi Claver Mabana
Metrics
H-Index
i10 Index
Citation Counts
6
3
87
Francophone African and Caribbean Literature
Philosophy
Mythopoetics
Rankings
Ranking Based On Selection: 79
Carlos Hunte
Metrics
H-Index
i10 Index
Citation Counts
6
3
82
Rankings
Ranking Based On Selection: 80
Carol Hull-Jackson
Metrics
H-Index
i10 Index
Citation Counts
5
4
186
Rankings
Ranking Based On Selection: 81
Suzanne Workman
Metrics
H-Index
i10 Index
Citation Counts
5
4
661
antimicrobial resistance
ESBL- and carbapenemase-producing Enterobacteriaceae
human papillomavirus
Campylobacter enteritis
Rankings
Ranking Based On Selection: 82
Tamara Nancoo
Metrics
H-Index
i10 Index
Citation Counts
5
3
187
Rankings
Ranking Based On Selection: 83
Damian Best
Metrics
H-Index
i10 Index
Citation Counts
4
4
443
Rankings
Ranking Based On Selection: 84
Marco Schaumloeffel
Metrics
H-Index
i10 Index
Citation Counts
4
1
57
Rankings
Ranking Based On Selection: 85
Latha Kandamaran
Metrics
H-Index
i10 Index
Citation Counts
3
3
98
Rankings
Ranking Based On Selection: 86
Jeremy Stephen
Metrics
H-Index
i10 Index
Citation Counts
3
2
63
Cryptocurrencies
financial economics
financial technology