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
Simon Leather
entomology
crop protection
conservation
forestry
agriculture
Metrics
H-Index
i10 Index
Citation
61
218
16,093
* Rankings
Ranking Based On Selection: 3
J James Jess Lowenberg DeBoer
agricultural economics
agricultural technology economics
Metrics
H-Index
i10 Index
Citation
47
134
9,044
* Rankings
Ranking Based On Selection: 8
Mark Rutter
Applied Animal Behaviour
Metrics
H-Index
i10 Index
Citation
34
66
4,516
* Rankings
Ranking Based On Selection: 9
Frank Vriesekoop
Gluten Free products
Alternative protein sources
Brewing and Distilling
Viticulture and Oenology
Sustainable Food Product De
Metrics
H-Index
i10 Index
Citation
32
61
3,152

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
Jim Monaghan
Crop phenotyping
Crop physiology
Fresh produce crop safety
Metrics
H-Index
i10 Index
Citation
25
38
2,813
* Rankings
Ranking Based On Selection: 13
Nicola P Randall
systematic review
evidence synthesis
agriculture
agricultural ecology
agroecology
Metrics
H-Index
i10 Index
Citation
23
34
2,148
* Rankings
Ranking Based On Selection: 14
Ed Harris
Statistics
Applied Data Science
Agriculture
Conservation Ecology
Evolution
Metrics
H-Index
i10 Index
Citation
23
36
3,052
* Rankings
Ranking Based On Selection: 15
Peter Kettlewell
Reduce drought damage
retard growth
accelerate ripening
Metrics
H-Index
i10 Index
Citation
22
33
2,053
* Rankings
Ranking Based On Selection: 16
Simon Segar
Evolutionary Ecology
Community Ecology
Entomology
Molecular Phylogenetics
Metrics
H-Index
i10 Index
Citation
21
36
1,410
* Rankings
Ranking Based On Selection: 17
Matthew Back
Nematology
Crop Protection
Biofumigation
Trap Crops
Metrics
H-Index
i10 Index
Citation
20
34
1,729
* Rankings
Ranking Based On Selection: 18
Emma Bleach
reproduction
follicle
dairy cattle
lameness
calf
Metrics
H-Index
i10 Index
Citation
20
31
1,663
* Rankings
Ranking Based On Selection: 22
Ellen Williams
Elephants
social behaviour
sleep behaviour
animal welfare
personality assessment
Metrics
H-Index
i10 Index
Citation
14
16
555
* Rankings
Ranking Based On Selection: 23
Dimitrios Paparas
Economics
Financial analysis and Environment
Climate Change
Sustainability
Metrics
H-Index
i10 Index
Citation
13
19
709
* Rankings
Ranking Based On Selection: 24
Brian J Revell
agricultural economics
agricultural policy
international trade
Metrics
H-Index
i10 Index
Citation
13
19
850
* Rankings
Ranking Based On Selection: 26
Samuel Eze
Soil health
soil carbon dynamics
land use change
climate-smart agriculture
Metrics
H-Index
i10 Index
Citation
11
12
577
* Rankings
Ranking Based On Selection: 27
Farag Kw
Meat Science and Technology
Animal Welfare
Animal Products Processing
Metrics
H-Index
i10 Index
Citation
11
12
857
* Rankings
Ranking Based On Selection: 32
Kreseda Smith
Rural Criminology
Behavioural Science in the Rural
Psychological Impact of Agricultural Crime
Modern Slavery in Agriculture
Metrics
H-Index
i10 Index
Citation
8
7
162
* Rankings
Ranking Based On Selection: 33
Joe M. Roberts|Joe Roberts, Joseph M. Roberts
Chemical Ecology
Integrated Pest Management
Biopesticides
Biological Control
Metrics
H-Index
i10 Index
Citation
8
6
267
* Rankings
Ranking Based On Selection: 36
Heather Campbell
Community Ecology
Conservation Biology
Entomology
Ant-Plant Interactions
Metrics
H-Index
i10 Index
Citation
7
7
177
* Rankings
Ranking Based On Selection: 37
Usama Tayyab
Animal Nutrition
Dairy Nutrition
Feed Evaluation
Animal Production
Metrics
H-Index
i10 Index
Citation
6
6
285
* Rankings
Ranking Based On Selection: 38
Sarah A Morgan
Animal Science
Ruminant Nutrition
Product quality
Forage quality
Grazing systems
Metrics
H-Index
i10 Index
Citation
6
4
240
* Rankings
Ranking Based On Selection: 40
Lucy Crockford
Limnology
hydrology
aquatic ecology
eutrophication
soil erosion
Metrics
H-Index
i10 Index
Citation
5
4
139
* Rankings
Ranking Based On Selection: 42
Joseph Mhango
Applied remote sensing
Agronomy
Machine learning
Process modelling
Spatial analysis
Metrics
H-Index
i10 Index
Citation
3
2
51
* Rankings
Ranking Based On Selection: 44
Ben J Clunie
entomology
IPM
applied entomology
chemical ecology
agricultural entomology
Metrics
H-Index
i10 Index
Citation
2
2
77
* Rankings
Ranking Based On Selection: 46
Emily Chapman-Waterhouse
Veterinary Education
Part-time
Postgraduate
Professional Development
Online teaching.
Metrics
H-Index
i10 Index
Citation
1
0
6
Rankings
Ranking Based On Selection: 1
Simon Davies
Metrics
H-Index
i10 Index
Citation Counts
74
192
17,607
Rankings
Ranking Based On Selection: 2
Simon Leather
Metrics
H-Index
i10 Index
Citation Counts
61
218
16,093
entomology
crop protection
conservation
forestry
agriculture
Rankings
Ranking Based On Selection: 3
J James Jess Lowenberg DeBoer
Metrics
H-Index
i10 Index
Citation Counts
47
134
9,044
agricultural economics
agricultural technology economics
Rankings
Ranking Based On Selection: 4
Simon Graham Edwards
Metrics
H-Index
i10 Index
Citation Counts
42
81
6,464
Rankings
Ranking Based On Selection: 5
B. Simon Blackmore
Metrics
H-Index
i10 Index
Citation Counts
41
94
7,495
Rankings
Ranking Based On Selection: 6
David Pink
Metrics
H-Index
i10 Index
Citation Counts
37
85
7,032
Rankings
Ranking Based On Selection: 7
Vasil Pirgozliev
Metrics
H-Index
i10 Index
Citation Counts
34
77
3,277
Rankings
Ranking Based On Selection: 8
Mark Rutter
Metrics
H-Index
i10 Index
Citation Counts
34
66
4,516
Applied Animal Behaviour
Rankings
Ranking Based On Selection: 9
Frank Vriesekoop
Metrics
H-Index
i10 Index
Citation Counts
32
61
3,152
Gluten Free products
Alternative protein sources
Brewing and Distilling
Viticulture and Oenology
Sustainable Food Product De
Rankings
Ranking Based On Selection: 10
Simon Jeffery
Metrics
H-Index
i10 Index
Citation Counts
30
40
11,944

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
Jim Monaghan
Metrics
H-Index
i10 Index
Citation Counts
25
38
2,813
Crop phenotyping
Crop physiology
Fresh produce crop safety
Rankings
Ranking Based On Selection: 12
Martin Hare
Metrics
H-Index
i10 Index
Citation Counts
25
36
2,709
Rankings
Ranking Based On Selection: 13
Nicola P Randall
Metrics
H-Index
i10 Index
Citation Counts
23
34
2,148
systematic review
evidence synthesis
agriculture
agricultural ecology
agroecology
Rankings
Ranking Based On Selection: 14
Ed Harris
Metrics
H-Index
i10 Index
Citation Counts
23
36
3,052
Statistics
Applied Data Science
Agriculture
Conservation Ecology
Evolution
Rankings
Ranking Based On Selection: 15
Peter Kettlewell
Metrics
H-Index
i10 Index
Citation Counts
22
33
2,053
Reduce drought damage
retard growth
accelerate ripening
Rankings
Ranking Based On Selection: 16
Simon Segar
Metrics
H-Index
i10 Index
Citation Counts
21
36
1,410
Evolutionary Ecology
Community Ecology
Entomology
Molecular Phylogenetics
Rankings
Ranking Based On Selection: 17
Matthew Back
Metrics
H-Index
i10 Index
Citation Counts
20
34
1,729
Nematology
Crop Protection
Biofumigation
Trap Crops
Rankings
Ranking Based On Selection: 18
Emma Bleach
Metrics
H-Index
i10 Index
Citation Counts
20
31
1,663
reproduction
follicle
dairy cattle
lameness
calf
Rankings
Ranking Based On Selection: 19
Tom W Pope
Metrics
H-Index
i10 Index
Citation Counts
18
25
1,321
Rankings
Ranking Based On Selection: 20
Luis Alberto Kluwe de Aguiar
Metrics
H-Index
i10 Index
Citation Counts
15
24
1,226
food marketing
food security
sustainability
alternative protein
Rankings
Ranking Based On Selection: 21
Philip A. Robinson
Metrics
H-Index
i10 Index
Citation Counts
15
22
607
Rankings
Ranking Based On Selection: 22
Ellen Williams
Metrics
H-Index
i10 Index
Citation Counts
14
16
555
Elephants
social behaviour
sleep behaviour
animal welfare
personality assessment
Rankings
Ranking Based On Selection: 23
Dimitrios Paparas
Metrics
H-Index
i10 Index
Citation Counts
13
19
709
Economics
Financial analysis and Environment
Climate Change
Sustainability
Rankings
Ranking Based On Selection: 24
Brian J Revell
Metrics
H-Index
i10 Index
Citation Counts
13
19
850
agricultural economics
agricultural policy
international trade
Rankings
Ranking Based On Selection: 25
Paraskevi Paximada
Metrics
H-Index
i10 Index
Citation Counts
12
12
772
Rankings
Ranking Based On Selection: 26
Samuel Eze
Metrics
H-Index
i10 Index
Citation Counts
11
12
577
Soil health
soil carbon dynamics
land use change
climate-smart agriculture
Rankings
Ranking Based On Selection: 27
Farag Kw
Metrics
H-Index
i10 Index
Citation Counts
11
12
857
Meat Science and Technology
Animal Welfare
Animal Products Processing
Rankings
Ranking Based On Selection: 28
ci moorcroft
Metrics
H-Index
i10 Index
Citation Counts
11
11
591
Rankings
Ranking Based On Selection: 29
Stephen Charles Mansbridge
Metrics
H-Index
i10 Index
Citation Counts
10
11
356
Biology
Animal Science
Nutrition
Genomics
One Health
Rankings
Ranking Based On Selection: 30
Gemma Charlton
Metrics
H-Index
i10 Index
Citation Counts
10
10
807
Rankings
Ranking Based On Selection: 31
Alexander Watson-Lazowski
Metrics
H-Index
i10 Index
Citation Counts
9
9
295
Rankings
Ranking Based On Selection: 32
Kreseda Smith
Metrics
H-Index
i10 Index
Citation Counts
8
7
162
Rural Criminology
Behavioural Science in the Rural
Psychological Impact of Agricultural Crime
Modern Slavery in Agriculture
Rankings
Ranking Based On Selection: 33
Joe M. Roberts|Joe Roberts, Joseph M. Roberts
Metrics
H-Index
i10 Index
Citation Counts
8
6
267
Chemical Ecology
Integrated Pest Management
Biopesticides
Biological Control
Rankings
Ranking Based On Selection: 35
Şebnem Kurhan
Metrics
H-Index
i10 Index
Citation Counts
7
5
202
Rankings
Ranking Based On Selection: 36
Heather Campbell
Metrics
H-Index
i10 Index
Citation Counts
7
7
177
Community Ecology
Conservation Biology
Entomology
Ant-Plant Interactions
Rankings
Ranking Based On Selection: 37
Usama Tayyab
Metrics
H-Index
i10 Index
Citation Counts
6
6
285
Animal Nutrition
Dairy Nutrition
Feed Evaluation
Animal Production
Rankings
Ranking Based On Selection: 38
Sarah A Morgan
Metrics
H-Index
i10 Index
Citation Counts
6
4
240
Animal Science
Ruminant Nutrition
Product quality
Forage quality
Grazing systems
Rankings
Ranking Based On Selection: 39
Zoe Self Davies
Metrics
H-Index
i10 Index
Citation Counts
5
5
111
Rankings
Ranking Based On Selection: 40
Lucy Crockford
Metrics
H-Index
i10 Index
Citation Counts
5
4
139
Limnology
hydrology
aquatic ecology
eutrophication
soil erosion
Rankings
Ranking Based On Selection: 41
Julie Boone
Metrics
H-Index
i10 Index
Citation Counts
4
2
127
Rankings
Ranking Based On Selection: 42
Joseph Mhango
Metrics
H-Index
i10 Index
Citation Counts
3
2
51
Applied remote sensing
Agronomy
Machine learning
Process modelling
Spatial analysis
Rankings
Ranking Based On Selection: 43
Edmore Mashatise
Metrics
H-Index
i10 Index
Citation Counts
3
3
64
Rankings
Ranking Based On Selection: 44
Ben J Clunie
Metrics
H-Index
i10 Index
Citation Counts
2
2
77
entomology
IPM
applied entomology
chemical ecology
agricultural entomology
Rankings
Ranking Based On Selection: 45
Ana Im Natalio
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 46
Emily Chapman-Waterhouse
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Veterinary Education
Part-time
Postgraduate
Professional Development
Online teaching.