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" (937,843 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
James K. Ndufa
Forestry and Agroforestry systems
soil health
Dryland agroforestry
conservation
Metrics
H-Index
i10 Index
Citation
16
22
1,141
* Rankings
Ranking Based On Selection: 3
Chemuku Wekesa
Restoration ecology
Climate change
Biodiversity conservation
Metrics
H-Index
i10 Index
Citation
13
17
595
* Rankings
Ranking Based On Selection: 8
David Langat
Natural resources economics
Ecosystem valuation
Metrics
H-Index
i10 Index
Citation
9
8
495
* Rankings
Ranking Based On Selection: 9
Vincent Onguso Oeba
Science and Policy of Climate Change
African Forestry
Forest Resource Assessment
Payment of Ecosystem Services
Biometry
Metrics
H-Index
i10 Index
Citation
9
9
467
* Rankings
Ranking Based On Selection: 10
Josephine Musyoki
Participatory Forest Management
Forest Extension
community development and Indigenous Knowledge in Forest Products
Metrics
H-Index
i10 Index
Citation
9
9
270

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* Rankings
Ranking Based On Selection: 12
Jonah Kipsaat Kiprop
Forest Economics
Development Economics
Policy
Forest Markets
Forest and Landscape Restoration
Metrics
H-Index
i10 Index
Citation
8
7
247
* Rankings
Ranking Based On Selection: 13
Stephen Fredrick Omondi
Forest genetics
molecular Ecology and Tree improvement
Metrics
H-Index
i10 Index
Citation
8
7
339
* Rankings
Ranking Based On Selection: 14
Joram Kagombe
Payment foe ecosytem services
forest economics
forest planning
Metrics
H-Index
i10 Index
Citation
8
5
158
* Rankings
Ranking Based On Selection: 17
Eston K. Mutitu
biological control
host plant insect interaction
insect ecology and population dynamics
Metrics
H-Index
i10 Index
Citation
8
5
266
* Rankings
Ranking Based On Selection: 20
John Ngugi Kigomo
Forest Inventory
Carbon Assessment & Monitoring
Forest fires
GIS
Metrics
H-Index
i10 Index
Citation
7
5
241
* Rankings
Ranking Based On Selection: 21
Edward Kibet Mengich
Agroforestry
Tree eco-physiology
Drylands forestry
plant & soil water relations
Metrics
H-Index
i10 Index
Citation
7
5
179
* Rankings
Ranking Based On Selection: 24
Nellie Oduor
bioenergy
bamboo
wood preservation
forest products development
Metrics
H-Index
i10 Index
Citation
6
5
299
* Rankings
Ranking Based On Selection: 25
Kaigongi Magrate
Medicinal Plants
Plant Taxonomy
Phytochemistry
Forest & landscape conservation
Metrics
H-Index
i10 Index
Citation
6
5
184
* Rankings
Ranking Based On Selection: 27
Jesse Owino
Climate Change Adaptation
Manure Emissions
Nutrient Losses
Ecology
Forestry
Metrics
H-Index
i10 Index
Citation
6
3
329
* Rankings
Ranking Based On Selection: 28
George Mbeva Muthike
Forest Products Processing Engineering
Renewable Biomass Energy
Timber Engineering
Metrics
H-Index
i10 Index
Citation
6
4
146
* Rankings
Ranking Based On Selection: 29
Leila Ndalilo
Biodiversity conservation
forestry and livelihoods
Climate change
Food security
Payment for Ecosystem Services
Metrics
H-Index
i10 Index
Citation
6
2
135
* Rankings
Ranking Based On Selection: 34
Nereoh Leley
Disturbances
biodiversity
ecosystem functioning
carbon appraisal
Metrics
H-Index
i10 Index
Citation
5
4
91
* Rankings
Ranking Based On Selection: 37
Samson Okoth Ojunga
Ecological Modeling
Population Modeling
Multivariate analysis
Estimation Theory
Metrics
H-Index
i10 Index
Citation
5
1
68
* Rankings
Ranking Based On Selection: 40
Rose Chiteva
Analytical and Environmental Chemistry
natural products chemistry
Climate change Adaptation
Metrics
H-Index
i10 Index
Citation
5
1
125
* Rankings
Ranking Based On Selection: 44
Alice Adongo
Silviculture
Applied Forest Ecology
Tree germplasm production
Assisted Restoration
Sustainable Forest Management
Metrics
H-Index
i10 Index
Citation
4
0
33
* Rankings
Ranking Based On Selection: 47
Osia Odula
Plant Ecology
Ecophysiology
Ecosystem Modelling
Metrics
H-Index
i10 Index
Citation
3
2
164
* Rankings
Ranking Based On Selection: 48
Timothy W. Namaswa
Bioenergy and Environment
Climate Change
Agroforestry and Forestry
wood properties and wood preservation
Metrics
H-Index
i10 Index
Citation
3
1
31
* Rankings
Ranking Based On Selection: 50
Phesto Osano
Forest Cover Mapping
Above ground Biomass
Spatial Modelling
Metrics
H-Index
i10 Index
Citation
3
1
29
* Rankings
Ranking Based On Selection: 51
Abdalla K. Kisiwa
Rural Livelihoods
Forestry Governance
Ecosystem Services
Extension
Metrics
H-Index
i10 Index
Citation
3
1
28
* Rankings
Ranking Based On Selection: 57
Violet Oriwo
Food science
Environment
Natural Resource Management
Metrics
H-Index
i10 Index
Citation
2
0
10
* Rankings
Ranking Based On Selection: 58
Basil Okoth Kaudo
Ecology
Natural Resources
Environmental Conservation
Nature Based Solutions
Arid and Semi Arid land regeneration
Metrics
H-Index
i10 Index
Citation
2
0
8
* Rankings
Ranking Based On Selection: 59
Dub Isacko Dokata
Climate change
Carbon sequestration
Natural Resource Management & Biodiversity
Metrics
H-Index
i10 Index
Citation
2
0
6
* Rankings
Ranking Based On Selection: 60
Asenath Akinyi Adienge
Forest genetics/ ecology
knowledge management and Bioinformatics
Metrics
H-Index
i10 Index
Citation
2
0
5
* Rankings
Ranking Based On Selection: 64
Gladys Rutto
Forest and landscape ecology
ecological assessment and climate modelling
Metrics
H-Index
i10 Index
Citation
1
1
12
Rankings
Ranking Based On Selection: 1
James K. Ndufa
Metrics
H-Index
i10 Index
Citation Counts
16
22
1,141
Forestry and Agroforestry systems
soil health
Dryland agroforestry
conservation
Rankings
Ranking Based On Selection: 2
Gabriel M. Muturi
Metrics
H-Index
i10 Index
Citation Counts
15
17
569
Rankings
Ranking Based On Selection: 3
Chemuku Wekesa
Metrics
H-Index
i10 Index
Citation Counts
13
17
595
Restoration ecology
Climate change
Biodiversity conservation
Rankings
Ranking Based On Selection: 4
Joseph Githiomi
Metrics
H-Index
i10 Index
Citation Counts
12
15
826
Rankings
Ranking Based On Selection: 5
Musingo Tito E. Mbuvi
Metrics
H-Index
i10 Index
Citation Counts
11
16
425
Rankings
Ranking Based On Selection: 6
Joshua Cheboiwo
Metrics
H-Index
i10 Index
Citation Counts
11
12
621
forestry
environmental economics
tree products trade
Rankings
Ranking Based On Selection: 7
James M Kimondo
Metrics
H-Index
i10 Index
Citation Counts
10
10
411
Rankings
Ranking Based On Selection: 8
David Langat
Metrics
H-Index
i10 Index
Citation Counts
9
8
495
Natural resources economics
Ecosystem valuation
Rankings
Ranking Based On Selection: 9
Vincent Onguso Oeba
Metrics
H-Index
i10 Index
Citation Counts
9
9
467
Science and Policy of Climate Change
African Forestry
Forest Resource Assessment
Payment of Ecosystem Services
Biometry
Rankings
Ranking Based On Selection: 10
Josephine Musyoki
Metrics
H-Index
i10 Index
Citation Counts
9
9
270
Participatory Forest Management
Forest Extension
community development and Indigenous Knowledge in Forest Products

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
Jg Kariuki
Metrics
H-Index
i10 Index
Citation Counts
9
7
219
Rankings
Ranking Based On Selection: 12
Jonah Kipsaat Kiprop
Metrics
H-Index
i10 Index
Citation Counts
8
7
247
Forest Economics
Development Economics
Policy
Forest Markets
Forest and Landscape Restoration
Rankings
Ranking Based On Selection: 13
Stephen Fredrick Omondi
Metrics
H-Index
i10 Index
Citation Counts
8
7
339
Forest genetics
molecular Ecology and Tree improvement
Rankings
Ranking Based On Selection: 14
Joram Kagombe
Metrics
H-Index
i10 Index
Citation Counts
8
5
158
Payment foe ecosytem services
forest economics
forest planning
Rankings
Ranking Based On Selection: 15
Luvanda Albert Makee
Metrics
H-Index
i10 Index
Citation Counts
8
7
209
Rankings
Ranking Based On Selection: 16
Joseph Machua
Metrics
H-Index
i10 Index
Citation Counts
8
6
251
Rankings
Ranking Based On Selection: 17
Eston K. Mutitu
Metrics
H-Index
i10 Index
Citation Counts
8
5
266
biological control
host plant insect interaction
insect ecology and population dynamics
Rankings
Ranking Based On Selection: 18
Jane W. Njuguna
Metrics
H-Index
i10 Index
Citation Counts
8
5
265
Rankings
Ranking Based On Selection: 19
John Otuoma
Metrics
H-Index
i10 Index
Citation Counts
7
6
233
Rankings
Ranking Based On Selection: 20
John Ngugi Kigomo
Metrics
H-Index
i10 Index
Citation Counts
7
5
241
Forest Inventory
Carbon Assessment & Monitoring
Forest fires
GIS
Rankings
Ranking Based On Selection: 21
Edward Kibet Mengich
Metrics
H-Index
i10 Index
Citation Counts
7
5
179
Agroforestry
Tree eco-physiology
Drylands forestry
plant & soil water relations
Rankings
Ranking Based On Selection: 22
Paul Tuwei
Metrics
H-Index
i10 Index
Citation Counts
7
6
265
Rankings
Ranking Based On Selection: 23
Beryn Otieno
Metrics
H-Index
i10 Index
Citation Counts
7
5
186
Rankings
Ranking Based On Selection: 24
Nellie Oduor
Metrics
H-Index
i10 Index
Citation Counts
6
5
299
bioenergy
bamboo
wood preservation
forest products development
Rankings
Ranking Based On Selection: 25
Kaigongi Magrate
Metrics
H-Index
i10 Index
Citation Counts
6
5
184
Medicinal Plants
Plant Taxonomy
Phytochemistry
Forest & landscape conservation
Rankings
Ranking Based On Selection: 26
Anthony Macharia
Metrics
H-Index
i10 Index
Citation Counts
6
4
149
Rankings
Ranking Based On Selection: 27
Jesse Owino
Metrics
H-Index
i10 Index
Citation Counts
6
3
329
Climate Change Adaptation
Manure Emissions
Nutrient Losses
Ecology
Forestry
Rankings
Ranking Based On Selection: 28
George Mbeva Muthike
Metrics
H-Index
i10 Index
Citation Counts
6
4
146
Forest Products Processing Engineering
Renewable Biomass Energy
Timber Engineering
Rankings
Ranking Based On Selection: 29
Leila Ndalilo
Metrics
H-Index
i10 Index
Citation Counts
6
2
135
Biodiversity conservation
forestry and livelihoods
Climate change
Food security
Payment for Ecosystem Services
Rankings
Ranking Based On Selection: 30
Emmanuel Makatiani
Metrics
H-Index
i10 Index
Citation Counts
6
4
311
Rankings
Ranking Based On Selection: 31
Bernard Kamondo
Metrics
H-Index
i10 Index
Citation Counts
6
2
112
Rankings
Ranking Based On Selection: 32
Roxventa Ongugo
Metrics
H-Index
i10 Index
Citation Counts
6
2
75
Rankings
Ranking Based On Selection: 33
Victor Jaoko
Metrics
H-Index
i10 Index
Citation Counts
5
1
48
Rankings
Ranking Based On Selection: 34
Nereoh Leley
Metrics
H-Index
i10 Index
Citation Counts
5
4
91
Disturbances
biodiversity
ecosystem functioning
carbon appraisal
Rankings
Ranking Based On Selection: 35
Stanley Nadir
Metrics
H-Index
i10 Index
Citation Counts
5
3
88
Rankings
Ranking Based On Selection: 36
Emily Kitheka
Metrics
H-Index
i10 Index
Citation Counts
5
2
53
Biomass energy and environmental management
Rankings
Ranking Based On Selection: 37
Samson Okoth Ojunga
Metrics
H-Index
i10 Index
Citation Counts
5
1
68
Ecological Modeling
Population Modeling
Multivariate analysis
Estimation Theory
Rankings
Ranking Based On Selection: 38
Gordon Onduru Sigu
Metrics
H-Index
i10 Index
Citation Counts
5
4
115
Bamboo Management
Coservation and Utilization
Rankings
Ranking Based On Selection: 39
Leonida Cherotich
Metrics
H-Index
i10 Index
Citation Counts
5
3
83
Rankings
Ranking Based On Selection: 40
Rose Chiteva
Metrics
H-Index
i10 Index
Citation Counts
5
1
125
Analytical and Environmental Chemistry
natural products chemistry
Climate change Adaptation
Rankings
Ranking Based On Selection: 41
Mary Gathara
Metrics
H-Index
i10 Index
Citation Counts
4
4
94
Rankings
Ranking Based On Selection: 42
Joyce Okumu
Metrics
H-Index
i10 Index
Citation Counts
4
3
73
Rankings
Ranking Based On Selection: 43
Peter Angaine
Metrics
H-Index
i10 Index
Citation Counts
4
2
58
Rankings
Ranking Based On Selection: 44
Alice Adongo
Metrics
H-Index
i10 Index
Citation Counts
4
0
33
Silviculture
Applied Forest Ecology
Tree germplasm production
Assisted Restoration
Sustainable Forest Management
Rankings
Ranking Based On Selection: 45
Sheila Shefo Mbiru
Metrics
H-Index
i10 Index
Citation Counts
4
1
45
Knowledge Management
Capacity Development
Rankings
Ranking Based On Selection: 46
Valentor Okul
Metrics
H-Index
i10 Index
Citation Counts
3
3
64
Rankings
Ranking Based On Selection: 47
Osia Odula
Metrics
H-Index
i10 Index
Citation Counts
3
2
164
Plant Ecology
Ecophysiology
Ecosystem Modelling
Rankings
Ranking Based On Selection: 48
Timothy W. Namaswa
Metrics
H-Index
i10 Index
Citation Counts
3
1
31
Bioenergy and Environment
Climate Change
Agroforestry and Forestry
wood properties and wood preservation
Rankings
Ranking Based On Selection: 49
Stella Gatama
Metrics
H-Index
i10 Index
Citation Counts
3
1
30
Rankings
Ranking Based On Selection: 50
Phesto Osano
Metrics
H-Index
i10 Index
Citation Counts
3
1
29
Forest Cover Mapping
Above ground Biomass
Spatial Modelling
Rankings
Ranking Based On Selection: 51
Abdalla K. Kisiwa
Metrics
H-Index
i10 Index
Citation Counts
3
1
28
Rural Livelihoods
Forestry Governance
Ecosystem Services
Extension
Rankings
Ranking Based On Selection: 52
Mayunzu Oscar
Metrics
H-Index
i10 Index
Citation Counts
3
1
26
Rankings
Ranking Based On Selection: 53
Celestine Ingutia
Metrics
H-Index
i10 Index
Citation Counts
3
1
23
Statistical genetics
Missing data handling
Rankings
Ranking Based On Selection: 54
Stephen Muriithi Ndung'U
Metrics
H-Index
i10 Index
Citation Counts
3
0
10
Rankings
Ranking Based On Selection: 55
Daniel Odhiambo
Metrics
H-Index
i10 Index
Citation Counts
3
3
258
Rankings
Ranking Based On Selection: 56
Josephine Wanjiku
Metrics
H-Index
i10 Index
Citation Counts
2
0
15
Rankings
Ranking Based On Selection: 57
Violet Oriwo
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Food science
Environment
Natural Resource Management
Rankings
Ranking Based On Selection: 58
Basil Okoth Kaudo
Metrics
H-Index
i10 Index
Citation Counts
2
0
8
Ecology
Natural Resources
Environmental Conservation
Nature Based Solutions
Arid and Semi Arid land regeneration
Rankings
Ranking Based On Selection: 59
Dub Isacko Dokata
Metrics
H-Index
i10 Index
Citation Counts
2
0
6
Climate change
Carbon sequestration
Natural Resource Management & Biodiversity
Rankings
Ranking Based On Selection: 60
Asenath Akinyi Adienge
Metrics
H-Index
i10 Index
Citation Counts
2
0
5
Forest genetics/ ecology
knowledge management and Bioinformatics
Rankings
Ranking Based On Selection: 61
Mercy Gichora
Metrics
H-Index
i10 Index
Citation Counts
2
1
84
Rankings
Ranking Based On Selection: 62
Welimo Martin
Metrics
H-Index
i10 Index
Citation Counts
2
0
19
Rankings
Ranking Based On Selection: 63
Joram Me Mbinga
Metrics
H-Index
i10 Index
Citation Counts
2
0
15
Rankings
Ranking Based On Selection: 64
Gladys Rutto
Metrics
H-Index
i10 Index
Citation Counts
1
1
12
Forest and landscape ecology
ecological assessment and climate modelling
Rankings
Ranking Based On Selection: 65
Steven Gitonga
Metrics
H-Index
i10 Index
Citation Counts
1
0
9
Communication
Extension
Community Development
Rankings
Ranking Based On Selection: 66
Miriam Gathogo
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
Rankings
Ranking Based On Selection: 67
Willis Atie
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Rankings
Ranking Based On Selection: 68
Collins Obonyo
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Rankings
Ranking Based On Selection: 69
Elyas Hassan Mohamed
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 70
Angela Muthama
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 71
Oliviah Nyaundi
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Tree breeding and Improvement
Rankings
Ranking Based On Selection: 72
Nancy Bor
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Data modelling
Data mining
Big data
Data analysis
Rankings
Ranking Based On Selection: 73
Damaris M Munyao
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
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