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" (873,864 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
Edward H Allison
fisheries
aquaculture
food systems
blue economy
international development
Metrics
H-Index
i10 Index
Citation
76
179
27,877
* Rankings
Ranking Based On Selection :2
Malcolm Beveridge
aquaculture
aquatic ecology
fisheries
environmental management
development
Metrics
H-Index
i10 Index
Citation
71
161
22,408
* Rankings
Ranking Based On Selection :3
Jérôme Delamare Deboutteville
Aquaculture
microbiomes
pathogen genomics
vaccines
biosecurity
Metrics
H-Index
i10 Index
Citation
20
25
984
* Rankings
Ranking Based On Selection :4
Matthew Hamilton
quantitative genetics
genetic improvement
selective breeding
aquaculture
forestry
Metrics
H-Index
i10 Index
Citation
20
33
1,047
* Rankings
Ranking Based On Selection :5
Nahiduzzaman
small-scale fisheries
resilience
fisheries governance
co-management
Livelihoods
Metrics
H-Index
i10 Index
Citation
17
33
1,065
* Rankings
Ranking Based On Selection :6
Alex Tilley
Small-Scale Fisheries
Digital technologies
Nutrition
sharks
rays
Metrics
H-Index
i10 Index
Citation
15
17
966
* Rankings
Ranking Based On Selection :8
Cristiano Rossignoli
Agricultural Economics
Impact Assessment
Agriculture and Rural Development
Aquaculture
Metrics
H-Index
i10 Index
Citation
14
17
709
* Rankings
Ranking Based On Selection :10
Sourabh Kumar Dubey
Mangroves
Aquaculture
Climate Change
Wetland
Small Indigenous Fish
Metrics
H-Index
i10 Index
Citation
14
18
714
* Rankings
Ranking Based On Selection :11
Abm Mahfuzul Haque
Impact Evaluation and Monitoring & Evaluation
Metrics
H-Index
i10 Index
Citation
13
15
481
* Rankings
Ranking Based On Selection :13
Jillian Tutuo
Nutrition
Public Health
Obesity/NCDs
Undernutrition (young children and women)
Metrics
H-Index
i10 Index
Citation
9
9
848
* Rankings
Ranking Based On Selection :14
Rodolfo Dam Lam
Sustainable Development
Metrics
H-Index
i10 Index
Citation
9
8
307
* Rankings
Ranking Based On Selection :15
Catherine Mwema
Agri-food value chains
Agricultural Economics
Metrics
H-Index
i10 Index
Citation
9
8
334
Sarah Freed
small scale fisheries
agri-food systems
adaptive management
agency & inclusion
Metrics
H-Index
i10 Index
Citation
7
7
312
Siddhwartha Kumar Basak
Fish and Shrimp Disease
Production economic
Metrics
H-Index
i10 Index
Citation
7
6
136
Timothy Manyise
Inclusive value chains
sustainable food systems
entrepreneurship
livelihoods
resilience
Metrics
H-Index
i10 Index
Citation
6
5
184
Gianna Bonis Profumo
Food security
nutrition and diets
gender in development
nutrition-sensitive agriculture and fisheries
aquatic food systems
Metrics
H-Index
i10 Index
Citation
5
4
143
Saadiah Binti Ghazali
Data management
Digital repositories
CAPI
Mobile survey
Bid Data Analytics
Metrics
H-Index
i10 Index
Citation
5
2
219
Lorenzo Longobardi
Marine ecology
Data analysis
Statistics
Ecological modelling
Fisheries
Metrics
H-Index
i10 Index
Citation
4
4
129
Rankings
Ranking Based On Selection: 1
Edward H Allison
Metrics
H-Index
i10 Index
Citation Counts
76
179
27,877
fisheries
aquaculture
food systems
blue economy
international development
Rankings
Ranking Based On Selection: 2
Malcolm Beveridge
Metrics
H-Index
i10 Index
Citation Counts
71
161
22,408
aquaculture
aquatic ecology
fisheries
environmental management
development
Rankings
Ranking Based On Selection: 3
Jérôme Delamare Deboutteville
Metrics
H-Index
i10 Index
Citation Counts
20
25
984
Aquaculture
microbiomes
pathogen genomics
vaccines
biosecurity
Rankings
Ranking Based On Selection: 4
Matthew Hamilton
Metrics
H-Index
i10 Index
Citation Counts
20
33
1,047
quantitative genetics
genetic improvement
selective breeding
aquaculture
forestry
Rankings
Ranking Based On Selection: 5
Nahiduzzaman
Metrics
H-Index
i10 Index
Citation Counts
17
33
1,065
small-scale fisheries
resilience
fisheries governance
co-management
Livelihoods
Rankings
Ranking Based On Selection: 6
Alex Tilley
Metrics
H-Index
i10 Index
Citation Counts
15
17
966
Small-Scale Fisheries
Digital technologies
Nutrition
sharks
rays
Rankings
Ranking Based On Selection: 7
Hala Saber Khalil
Metrics
H-Index
i10 Index
Citation Counts
15
17
780
Rankings
Ranking Based On Selection: 8
Cristiano Rossignoli
Metrics
H-Index
i10 Index
Citation Counts
14
17
709
Agricultural Economics
Impact Assessment
Agriculture and Rural Development
Aquaculture
Rankings
Ranking Based On Selection: 9
Afrina Choudhury
Metrics
H-Index
i10 Index
Citation Counts
14
17
663
Rankings
Ranking Based On Selection: 10
Sourabh Kumar Dubey
Metrics
H-Index
i10 Index
Citation Counts
14
18
714
Mangroves
Aquaculture
Climate Change
Wetland
Small Indigenous Fish
Rankings
Ranking Based On Selection: 11
Abm Mahfuzul Haque
Metrics
H-Index
i10 Index
Citation Counts
13
15
481
Impact Evaluation and Monitoring & Evaluation
Rankings
Ranking Based On Selection: 12
Nurulhuda Ahmad Fatan
Metrics
H-Index
i10 Index
Citation Counts
12
14
626
Rankings
Ranking Based On Selection: 13
Jillian Tutuo
Metrics
H-Index
i10 Index
Citation Counts
9
9
848
Nutrition
Public Health
Obesity/NCDs
Undernutrition (young children and women)
Rankings
Ranking Based On Selection: 14
Rodolfo Dam Lam
Metrics
H-Index
i10 Index
Citation Counts
9
8
307
Sustainable Development
Rankings
Ranking Based On Selection: 15
Catherine Mwema
Metrics
H-Index
i10 Index
Citation Counts
9
8
334
Rankings
Ranking Based On Selection: 16
Sarah Freed
Metrics
H-Index
i10 Index
Citation Counts
7
7
312
small scale fisheries
agri-food systems
adaptive management
agency & inclusion
Rankings
Ranking Based On Selection: 17
Siddhwartha Kumar Basak
Metrics
H-Index
i10 Index
Citation Counts
7
6
136
Fish and Shrimp Disease
Production economic
Rankings
Ranking Based On Selection: 18
Timothy Manyise
Metrics
H-Index
i10 Index
Citation Counts
6
5
184
Inclusive value chains
sustainable food systems
entrepreneurship
livelihoods
resilience
Rankings
Ranking Based On Selection: 19
Khiroda Chandra Nayak
Metrics
H-Index
i10 Index
Citation Counts
6
4
94
Rankings
Ranking Based On Selection: 20
Gianna Bonis Profumo
Metrics
H-Index
i10 Index
Citation Counts
5
4
143
Food security
nutrition and diets
gender in development
nutrition-sensitive agriculture and fisheries
aquatic food systems
Rankings
Ranking Based On Selection: 21
Jacqueline Muliro
Metrics
H-Index
i10 Index
Citation Counts
5
2
108
Rankings
Ranking Based On Selection: 22
Saadiah Binti Ghazali
Metrics
H-Index
i10 Index
Citation Counts
5
2
219
Data management
Digital repositories
CAPI
Mobile survey
Bid Data Analytics
Rankings
Ranking Based On Selection: 23
Lorenzo Longobardi
Metrics
H-Index
i10 Index
Citation Counts
4
4
129
Marine ecology
Data analysis
Statistics
Ecological modelling
Fisheries