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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,289 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 2
Bockline Omedo Bebe
Sustainable Livestock Production System
Metrics
 
H-Index
i10 Index
Citation
27
58
2,885
* Rankings
Ranking Based On Selection: 3
George Owuor
Agribusiness Financing and Mgt
Metrics
 
H-Index
i10 Index
Citation
26
52
2,154
* Rankings
Ranking Based On Selection: 4
Joshua Kiprotich Kibet
Physical and environmental Chemistr
Metrics
 
H-Index
i10 Index
Citation
23
39
1,807
* Rankings
Ranking Based On Selection: 6
Joshua Ondura Ogendo
bioprospecting for botanical pesticides
orphan and underutilized crops
postharvest waste and loss reductio
Metrics
 
H-Index
i10 Index
Citation
20
29
1,949
* Rankings
Ranking Based On Selection: 10
Kimurto Paul Kiprotich
Crop Physiology/Breeding
Seed systems
Dryland legumes
stress physiology
Agronom
Metrics
 
H-Index
i10 Index
Citation
18
25
1,957
* Rankings
Ranking Based On Selection: 11
Oscar Ingasia Ayuya
Impact evaluation and analysis of developmental interventions
food quality and standards
agricultural value chain analysis a
Metrics
 
H-Index
i10 Index
Citation
17
28
1,457
* Rankings
Ranking Based On Selection: 12
Nzula Kitaka
Nutrients dynamics in aquatic systems
Eutrophication prognosis
Climate Change Impacts and Copying Strategies
Ecology of Livelihood
Metrics
 
H-Index
i10 Index
Citation
17
25
1,255
* Rankings
Ranking Based On Selection: 13
Lilian Kirimi
Agricultural policy
climate change
credit
value chain
Metrics
 
H-Index
i10 Index
Citation
17
22
1,765
* Rankings
Ranking Based On Selection: 14
Bernard Kirui
Mangrove forest ecology
Mitigation
Greenhouse Gas (GHGs) emissions
Blue econom
Metrics
 
H-Index
i10 Index
Citation
16
20
1,209
* Rankings
Ranking Based On Selection: 15
Richard B Nyaoga
Operatons Management and Supply Chain Managemen
Metrics
 
H-Index
i10 Index
Citation
16
24
976
* Rankings
Ranking Based On Selection: 16
Joshua Otieno Ogweno
Vegetable
Stress physiology
Biotechnology
plant extract
Metrics
 
H-Index
i10 Index
Citation
16
21
1,361
* Rankings
Ranking Based On Selection: 19
Meshack Amos Obonyo
Mycotoxicology
Insect-insect interactions
Plant Stress Metabolism
Diversity studie
Metrics
 
H-Index
i10 Index
Citation
16
20
649
* Rankings
Ranking Based On Selection: 20
Steve Omondi Oduor
Aquatic Ecology
Phytoplankton Ecology
Taxonomy and Physiolog
Metrics
 
H-Index
i10 Index
Citation
16
16
935
* Rankings
Ranking Based On Selection: 21
Elick Otachi
Fisheries
Aquaculture
Parasitology
Aquatic Pollution
Biomonitorin
Metrics
 
H-Index
i10 Index
Citation
15
17
794
* Rankings
Ranking Based On Selection: 22
Wilfred O Odadi
Rangeland ecology and management
wildlife conservation
pastoral livelihood
Metrics
 
H-Index
i10 Index
Citation
14
18
1,097
* Rankings
Ranking Based On Selection: 23
Lawrence Kibet
Microeconomics
International trade & development economic
Metrics
 
H-Index
i10 Index
Citation
14
16
1,126
Rankings
Ranking Based On Selection: 1
Alexander Kahi
Metrics
 
H-Index
i10 Index
Citation Counts
38
111
4,545
Rankings
Ranking Based On Selection: 2
Bockline Omedo Bebe
Metrics
 
H-Index
i10 Index
Citation Counts
27
58
2,885
Rankings
Ranking Based On Selection: 3
George Owuor
Metrics
 
H-Index
i10 Index
Citation Counts
26
52
2,154
Rankings
Ranking Based On Selection: 4
Joshua Kiprotich Kibet
Metrics
 
H-Index
i10 Index
Citation Counts
23
39
1,807
Rankings
Ranking Based On Selection: 5
Patience Mlongo Mshenga
Metrics
 
H-Index
i10 Index
Citation Counts
20
39
2,032
Rankings
Ranking Based On Selection: 6
Joshua Ondura Ogendo
Metrics
 
H-Index
i10 Index
Citation Counts
20
29
1,949
bioprospecting for botanical pesticides
orphan and underutilized crops
postharvest waste and loss reductio
Rankings
Ranking Based On Selection: 7
John Masani Nduko
Metrics
 
H-Index
i10 Index
Citation Counts
19
27
1,258
Rankings
Ranking Based On Selection: 8
Hillary Bett
Metrics
 
H-Index
i10 Index
Citation Counts
19
26
1,628
Rankings
Ranking Based On Selection: 9
Wilkister Nyaora Moturi
Metrics
 
H-Index
i10 Index
Citation Counts
19
23
21,638
Rankings
Ranking Based On Selection: 10
Kimurto Paul Kiprotich
Metrics
 
H-Index
i10 Index
Citation Counts
18
25
1,957
Crop Physiology/Breeding
Seed systems
Dryland legumes
stress physiology
Agronom
Rankings
Ranking Based On Selection: 11
Oscar Ingasia Ayuya
Metrics
 
H-Index
i10 Index
Citation Counts
17
28
1,457
Impact evaluation and analysis of developmental interventions
food quality and standards
agricultural value chain analysis a
Rankings
Ranking Based On Selection: 12
Nzula Kitaka
Metrics
 
H-Index
i10 Index
Citation Counts
17
25
1,255
Nutrients dynamics in aquatic systems
Eutrophication prognosis
Climate Change Impacts and Copying Strategies
Ecology of Livelihood
Rankings
Ranking Based On Selection: 13
Lilian Kirimi
Metrics
 
H-Index
i10 Index
Citation Counts
17
22
1,765
Agricultural policy
climate change
credit
value chain
Rankings
Ranking Based On Selection: 14
Bernard Kirui
Metrics
 
H-Index
i10 Index
Citation Counts
16
20
1,209
Mangrove forest ecology
Mitigation
Greenhouse Gas (GHGs) emissions
Blue econom
Rankings
Ranking Based On Selection: 15
Richard B Nyaoga
Metrics
 
H-Index
i10 Index
Citation Counts
16
24
976
Rankings
Ranking Based On Selection: 16
Joshua Otieno Ogweno
Metrics
 
H-Index
i10 Index
Citation Counts
16
21
1,361
Vegetable
Stress physiology
Biotechnology
plant extract
Rankings
Ranking Based On Selection: 17
Nancy W Mungai
Metrics
 
H-Index
i10 Index
Citation Counts
16
24
1,380
Rankings
Ranking Based On Selection: 18
Anthony Macharia Kingori
Metrics
 
H-Index
i10 Index
Citation Counts
16
22
1,885
Rankings
Ranking Based On Selection: 19
Meshack Amos Obonyo
Metrics
 
H-Index
i10 Index
Citation Counts
16
20
649
Mycotoxicology
Insect-insect interactions
Plant Stress Metabolism
Diversity studie
Rankings
Ranking Based On Selection: 20
Steve Omondi Oduor
Metrics
 
H-Index
i10 Index
Citation Counts
16
16
935
Aquatic Ecology
Phytoplankton Ecology
Taxonomy and Physiolog
Rankings
Ranking Based On Selection: 21
Elick Otachi
Metrics
 
H-Index
i10 Index
Citation Counts
15
17
794
Fisheries
Aquaculture
Parasitology
Aquatic Pollution
Biomonitorin
Rankings
Ranking Based On Selection: 22
Wilfred O Odadi
Metrics
 
H-Index
i10 Index
Citation Counts
14
18
1,097
Rangeland ecology and management
wildlife conservation
pastoral livelihood
Rankings
Ranking Based On Selection: 23
Lawrence Kibet
Metrics
 
H-Index
i10 Index
Citation Counts
14
16
1,126
Microeconomics
International trade & development economic
Rankings
Ranking Based On Selection: 24
Eric Obedy Gido
Metrics
 
H-Index
i10 Index
Citation Counts
13
15
907
Rankings
Ranking Based On Selection: 25
Samuel Mwonga
Metrics
 
H-Index
i10 Index
Citation Counts
13
15
2,213