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: 2
James Legg
Cassava Viruses
Whiteflies
Epidemiology
Molecular Ecology
Metrics
H-Index
i10 Index
Citation
51
123
9,552
* Rankings
Ranking Based On Selection: 6
Leena Tripathi
Plant Biotechnology
Gene Editing
Genetic Modification
Sustainable Agriculture
Metrics
H-Index
i10 Index
Citation
44
85
5,791
* Rankings
Ranking Based On Selection: 8
John Derera
agriculture
genetics
biology
molecular
food security
Metrics
H-Index
i10 Index
Citation
36
98
4,003
* Rankings
Ranking Based On Selection: 9
Lieven Claessens
climate smart agriculture
sustainable intensification
food security
soil science
geomorphology
Metrics
H-Index
i10 Index
Citation
33
54
5,790
* Rankings
Ranking Based On Selection: 10
Jaindra N Tripathi
Plant Biotechnology
plant tissue culture
gene editing
and transgenics
Metrics
H-Index
i10 Index
Citation
32
51
3,388

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* Rankings
Ranking Based On Selection: 16
Shiferaw Feleke
Agricultural Economics
Impact Evaluation
International trade & policy analysis
Metrics
H-Index
i10 Index
Citation
25
35
2,767
* Rankings
Ranking Based On Selection: 17
Steven M Cole
gender
rural development
health
nutrition
inequality
Metrics
H-Index
i10 Index
Citation
23
37
1,533
* Rankings
Ranking Based On Selection: 18
E. Jeroen Huising
Soil Ecology
Soil Science
Natural Resources Management
Soil Fertility
Soil Biology
Metrics
H-Index
i10 Index
Citation
23
36
3,943
* Rankings
Ranking Based On Selection: 20
Julius Manda
Adoption and Impact of agricultural Technologies
Development economics
Impact evaluation and applied econometrics
Metrics
H-Index
i10 Index
Citation
19
28
2,455
* Rankings
Ranking Based On Selection: 21
Haroon Sseguya
Knowledge Management
Monitoring and Evaluation
Capacity Building
Technology Scaling
Metrics
H-Index
i10 Index
Citation
18
30
1,025
* Rankings
Ranking Based On Selection: 22
Adane Hirpa Tufa
impact evaluation
value/supply chain
gender analysis
conservation agriculture
climate change
Metrics
H-Index
i10 Index
Citation
17
21
1,800
* Rankings
Ranking Based On Selection: 24
Godfrey Taulya
Agronomy
Crop Growth Modelling
Crop Nutrition and Water Requirements
Farming Systems
Soil
Metrics
H-Index
i10 Index
Citation
15
17
1,445
* Rankings
Ranking Based On Selection: 30
Francis Kamau Muthoni
GIS
Remote Sensing
Spatial targeting of agricultural technologies
spatial ecogy
agro-climatology
Metrics
H-Index
i10 Index
Citation
13
18
716
* Rankings
Ranking Based On Selection: 32
Haruna Sekabira
Agricultural Economics
Food systems
Circular economy
Impact evaluations
Social Economics
Metrics
H-Index
i10 Index
Citation
12
14
752
* Rankings
Ranking Based On Selection: 35
Jonas Ngouhouo Poufoun
Sutainable Agriculture and biodiversity conservation
Natural Resource Economics
Land Use Change and Deforestation
Econometric
Metrics
H-Index
i10 Index
Citation
11
12
581
* Rankings
Ranking Based On Selection: 37
Kyle M. Dittmer
biogeochemistry
ecosystem ecology
agroecology
climate change
low emissions development
Metrics
H-Index
i10 Index
Citation
9
9
308
* Rankings
Ranking Based On Selection: 40
Janet Njeri
Plant-microbe interactions
crop health
conservation
population genetics
ecology
Metrics
H-Index
i10 Index
Citation
8
8
601
* Rankings
Ranking Based On Selection: 45
Samuel Mathu Ndungu
sustainable agricultural productivity
applying new approaches to understand plant-microbe interactions and improve crop yields
Metrics
H-Index
i10 Index
Citation
6
6
284
* Rankings
Ranking Based On Selection: 46
Archisman Mitra
Environmental Economics
Sustainable Intensification
Impact Evaluation
Agricultural Economics
Metrics
H-Index
i10 Index
Citation
6
5
199
* Rankings
Ranking Based On Selection: 47
Dung Phuong Le
Agricultural Economics
Climate Change
Impact Assessment
Food Security
Technology Adoption
Metrics
H-Index
i10 Index
Citation
6
5
128
* Rankings
Ranking Based On Selection: 49
Samy Bacigale
Crop-Livestock integration
Livestock production systems
Feeds and Feeding
Metrics
H-Index
i10 Index
Citation
6
4
131
* Rankings
Ranking Based On Selection: 50
Joseph Kanyamuka
Sustainable Agricultural intensification
food systems transformation
Agricultural policy analysis
Metrics
H-Index
i10 Index
Citation
6
3
124
* Rankings
Ranking Based On Selection: 53
Ajewole Oluwaferanmi
Innovation System
Risk Management and Gender Studies in Agriculture
Metrics
H-Index
i10 Index
Citation
5
4
195
* Rankings
Ranking Based On Selection: 57
Njoki Kahiu
Terrestrial/Drylands/Savanna Ecology
Geospatial Analysis
Disaster Risk Financing (index-based
Metrics
H-Index
i10 Index
Citation
5
3
113
* Rankings
Ranking Based On Selection: 59
Oyekanmi Joshua
Plant Health
Microbiome
Molecular Diagnostics
Phyto-sanitation
Development and Commercialization of Biocontrol
Metrics
H-Index
i10 Index
Citation
4
3
161
* Rankings
Ranking Based On Selection: 61
Chibueze Stanley Nwachukwu
capacity development
project evaluation
Impact assessment
extension delivery
livelihood assessment
Metrics
H-Index
i10 Index
Citation
4
3
55
* Rankings
Ranking Based On Selection: 62
Oyewale Abioye
Rural Entrepreneurship
Technology adoption
Impact assessment
Digital Agriculture
Metrics
H-Index
i10 Index
Citation
3
3
165
Rankings
Ranking Based On Selection: 1
Ranajit Bandyopadhyay
Metrics
H-Index
i10 Index
Citation Counts
65
186
12,377
Rankings
Ranking Based On Selection: 2
James Legg
Metrics
H-Index
i10 Index
Citation Counts
51
123
9,552
Cassava Viruses
Whiteflies
Epidemiology
Molecular Ecology
Rankings
Ranking Based On Selection: 3
P. Lava Kumar
Metrics
H-Index
i10 Index
Citation Counts
48
217
11,542
Virology
diagnostics
crop protection
seed health
Rankings
Ranking Based On Selection: 4
Robert Asiedu
Metrics
H-Index
i10 Index
Citation Counts
45
206
8,125
Rankings
Ranking Based On Selection: 5
Tahirou Abdoulaye
Metrics
H-Index
i10 Index
Citation Counts
44
130
7,719
Rankings
Ranking Based On Selection: 6
Leena Tripathi
Metrics
H-Index
i10 Index
Citation Counts
44
85
5,791
Plant Biotechnology
Gene Editing
Genetic Modification
Sustainable Agriculture
Rankings
Ranking Based On Selection: 7
Peter Kulakow
Metrics
H-Index
i10 Index
Citation Counts
36
102
5,279
Rankings
Ranking Based On Selection: 8
John Derera
Metrics
H-Index
i10 Index
Citation Counts
36
98
4,003
agriculture
genetics
biology
molecular
food security
Rankings
Ranking Based On Selection: 9
Lieven Claessens
Metrics
H-Index
i10 Index
Citation Counts
33
54
5,790
climate smart agriculture
sustainable intensification
food security
soil science
geomorphology
Rankings
Ranking Based On Selection: 10
Jaindra N Tripathi
Metrics
H-Index
i10 Index
Citation Counts
32
51
3,388
Plant Biotechnology
plant tissue culture
gene editing
and transgenics

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
Chiedozie Egesi
Metrics
H-Index
i10 Index
Citation Counts
31
67
4,332
Rankings
Ranking Based On Selection: 12
Leonard Rusinamhodzi
Metrics
H-Index
i10 Index
Citation Counts
29
41
4,350
Agronomy
ISFM
Crop modeling
farming systems analysis
Rankings
Ranking Based On Selection: 13
Allan F Brown
Metrics
H-Index
i10 Index
Citation Counts
29
51
4,215
Rankings
Ranking Based On Selection: 14
Asrat Asfaw
Metrics
H-Index
i10 Index
Citation Counts
28
49
2,647
plant breeding
genetics
molecular breeding
genomics
Rankings
Ranking Based On Selection: 16
Shiferaw Feleke
Metrics
H-Index
i10 Index
Citation Counts
25
35
2,767
Agricultural Economics
Impact Evaluation
International trade & policy analysis
Rankings
Ranking Based On Selection: 17
Steven M Cole
Metrics
H-Index
i10 Index
Citation Counts
23
37
1,533
gender
rural development
health
nutrition
inequality
Rankings
Ranking Based On Selection: 18
E. Jeroen Huising
Metrics
H-Index
i10 Index
Citation Counts
23
36
3,943
Soil Ecology
Soil Science
Natural Resources Management
Soil Fertility
Soil Biology
Rankings
Ranking Based On Selection: 19
Ibnou Dieng
Metrics
H-Index
i10 Index
Citation Counts
21
30
1,487
Rankings
Ranking Based On Selection: 20
Julius Manda
Metrics
H-Index
i10 Index
Citation Counts
19
28
2,455
Adoption and Impact of agricultural Technologies
Development economics
Impact evaluation and applied econometrics
Rankings
Ranking Based On Selection: 21
Haroon Sseguya
Metrics
H-Index
i10 Index
Citation Counts
18
30
1,025
Knowledge Management
Monitoring and Evaluation
Capacity Building
Technology Scaling
Rankings
Ranking Based On Selection: 22
Adane Hirpa Tufa
Metrics
H-Index
i10 Index
Citation Counts
17
21
1,800
impact evaluation
value/supply chain
gender analysis
conservation agriculture
climate change
Rankings
Ranking Based On Selection: 23
Gundula Fischer
Metrics
H-Index
i10 Index
Citation Counts
15
20
625
Rankings
Ranking Based On Selection: 24
Godfrey Taulya
Metrics
H-Index
i10 Index
Citation Counts
15
17
1,445
Agronomy
Crop Growth Modelling
Crop Nutrition and Water Requirements
Farming Systems
Soil
Rankings
Ranking Based On Selection: 26
Siraj Ismail Kayondo
Metrics
H-Index
i10 Index
Citation Counts
14
19
927
Molecular Plant breeding
Genetics
Plant-Pathogen interactions
Rankings
Ranking Based On Selection: 27
Laura Cortada
Metrics
H-Index
i10 Index
Citation Counts
14
15
1,053
Rankings
Ranking Based On Selection: 28
Everlyne Wosula
Metrics
H-Index
i10 Index
Citation Counts
14
19
679
Rankings
Ranking Based On Selection: 29
Amare Tegbaru
Metrics
H-Index
i10 Index
Citation Counts
14
19
694
Gender
Agriculture reseach and development
Rankings
Ranking Based On Selection: 30
Francis Kamau Muthoni
Metrics
H-Index
i10 Index
Citation Counts
13
18
716
GIS
Remote Sensing
Spatial targeting of agricultural technologies
spatial ecogy
agro-climatology
Rankings
Ranking Based On Selection: 31
Abdul Rahman Nurudeen
Metrics
H-Index
i10 Index
Citation Counts
13
16
408
Rankings
Ranking Based On Selection: 32
Haruna Sekabira
Metrics
H-Index
i10 Index
Citation Counts
12
14
752
Agricultural Economics
Food systems
Circular economy
Impact evaluations
Social Economics
Rankings
Ranking Based On Selection: 33
Titilayo Falade
Metrics
H-Index
i10 Index
Citation Counts
12
13
426
Rankings
Ranking Based On Selection: 34
Rhys Manners
Metrics
H-Index
i10 Index
Citation Counts
11
15
695
Rankings
Ranking Based On Selection: 35
Jonas Ngouhouo Poufoun
Metrics
H-Index
i10 Index
Citation Counts
11
12
581
Sutainable Agriculture and biodiversity conservation
Natural Resource Economics
Land Use Change and Deforestation
Econometric
Rankings
Ranking Based On Selection: 36
Reuben Solomon
Metrics
H-Index
i10 Index
Citation Counts
10
11
307
Rankings
Ranking Based On Selection: 37
Kyle M. Dittmer
Metrics
H-Index
i10 Index
Citation Counts
9
9
308
biogeochemistry
ecosystem ecology
agroecology
climate change
low emissions development
Rankings
Ranking Based On Selection: 38
Patrick Obia Ongom
Metrics
H-Index
i10 Index
Citation Counts
9
9
292
Rankings
Ranking Based On Selection: 39
Eric Tossou
Metrics
H-Index
i10 Index
Citation Counts
9
9
214
Rankings
Ranking Based On Selection: 40
Janet Njeri
Metrics
H-Index
i10 Index
Citation Counts
8
8
601
Plant-microbe interactions
crop health
conservation
population genetics
ecology
Rankings
Ranking Based On Selection: 41
Lovemore Chipindu
Metrics
H-Index
i10 Index
Citation Counts
8
8
235
Rankings
Ranking Based On Selection: 42
Mekonnen Giweta
Metrics
H-Index
i10 Index
Citation Counts
7
7
370
Agriculture
environment (land & water management)
Rankings
Ranking Based On Selection: 44
Mark Adero
Metrics
H-Index
i10 Index
Citation Counts
7
4
82
Plant tissue culture
Bioengineering
Genome editing
Rankings
Ranking Based On Selection: 45
Samuel Mathu Ndungu
Metrics
H-Index
i10 Index
Citation Counts
6
6
284
sustainable agricultural productivity
applying new approaches to understand plant-microbe interactions and improve crop yields
Rankings
Ranking Based On Selection: 46
Archisman Mitra
Metrics
H-Index
i10 Index
Citation Counts
6
5
199
Environmental Economics
Sustainable Intensification
Impact Evaluation
Agricultural Economics
Rankings
Ranking Based On Selection: 47
Dung Phuong Le
Metrics
H-Index
i10 Index
Citation Counts
6
5
128
Agricultural Economics
Climate Change
Impact Assessment
Food Security
Technology Adoption
Rankings
Ranking Based On Selection: 48
Kannan Gandhi
Metrics
H-Index
i10 Index
Citation Counts
6
4
145
Induced mutagenesis
Somatic embryogenesis on banana
Proteomics
Rankings
Ranking Based On Selection: 49
Samy Bacigale
Metrics
H-Index
i10 Index
Citation Counts
6
4
131
Crop-Livestock integration
Livestock production systems
Feeds and Feeding
Rankings
Ranking Based On Selection: 50
Joseph Kanyamuka
Metrics
H-Index
i10 Index
Citation Counts
6
3
124
Sustainable Agricultural intensification
food systems transformation
Agricultural policy analysis
Rankings
Ranking Based On Selection: 52
Mai Mahmoud
Metrics
H-Index
i10 Index
Citation Counts
5
5
124
Development Economics
Agricultural Economics
Rankings
Ranking Based On Selection: 53
Ajewole Oluwaferanmi
Metrics
H-Index
i10 Index
Citation Counts
5
4
195
Innovation System
Risk Management and Gender Studies in Agriculture
Rankings
Ranking Based On Selection: 54
Kavitha Kasala
Metrics
H-Index
i10 Index
Citation Counts
5
4
144
Food and Nutrition Security
Agriculture
Sustainability
Gender
Rankings
Ranking Based On Selection: 55
Climate change
Climate change impacts
Adaptation
Climate smart practices
Rankings
Ranking Based On Selection: 56
Arpit Gaur
Metrics
H-Index
i10 Index
Citation Counts
5
4
95
Rankings
Ranking Based On Selection: 57
Njoki Kahiu
Metrics
H-Index
i10 Index
Citation Counts
5
3
113
Terrestrial/Drylands/Savanna Ecology
Geospatial Analysis
Disaster Risk Financing (index-based
Rankings
Ranking Based On Selection: 58
Abdoul-Raouf S. Maazou
Metrics
H-Index
i10 Index
Citation Counts
4
4
172
Plant Breeding
Biofortification
Marker assisted selection
Rankings
Ranking Based On Selection: 59
Oyekanmi Joshua
Metrics
H-Index
i10 Index
Citation Counts
4
3
161
Plant Health
Microbiome
Molecular Diagnostics
Phyto-sanitation
Development and Commercialization of Biocontrol
Rankings
Ranking Based On Selection: 60
Eleonora De Falcis
Metrics
H-Index
i10 Index
Citation Counts
4
1
104
Rankings
Ranking Based On Selection: 61
capacity development
project evaluation
Impact assessment
extension delivery
livelihood assessment
Rankings
Ranking Based On Selection: 62
Oyewale Abioye
Metrics
H-Index
i10 Index
Citation Counts
3
3
165
Rural Entrepreneurship
Technology adoption
Impact assessment
Digital Agriculture
Rankings
Ranking Based On Selection: 63
Célestin Munyaneza
Metrics
H-Index
i10 Index
Citation Counts
3
2
96
Rankings
Ranking Based On Selection: 65
Shaheed Nasrullah
Metrics
H-Index
i10 Index
Citation Counts
2
2
63
Rankings
Ranking Based On Selection: 66
Grace Asiimwe
Metrics
H-Index
i10 Index
Citation Counts
2
1
77