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" (998,570 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.

Geoffrey K. Maiyoh
Non-communicable diseases
Cancer risks
Genomics
and Toxicology
Metrics
H-Index
i10 Index
Citation
10
10
713
Sarah Chepkwony
Organic chemistry
Natural product chemistry
Hemisynthesis
Metrics
H-Index
i10 Index
Citation
3
1
38
Tecla Cheptoo
Analytical Chemistry
Industrial Chemistry
Metrics
H-Index
i10 Index
Citation
3
1
31

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Through advanced, institution-specific analytics and benchmarking, gain data-driven strategic insights into your academic performance, global standing, and competitive strengths. Compare your institution with 20 similarly ranked institutions at city, country, regional, and global levels, as well as with those in similar standings across 13 subjects, to uncover your institution’s strengths. More Info

Rankings
Ranking Based On Selection: 1
Geoffrey K. Maiyoh
Metrics
H-Index
i10 Index
Citation Counts
10
10
713
Non-communicable diseases
Cancer risks
Genomics
and Toxicology
Rankings
Ranking Based On Selection: 2
Jackson Cherutoi
Metrics
H-Index
i10 Index
Citation Counts
10
10
384
Rankings
Ranking Based On Selection: 3
Nteziyaremye Papias
Metrics
H-Index
i10 Index
Citation Counts
6
5
303
Rankings
Ranking Based On Selection: 4
Decrah Moraa Nyangena
Metrics
H-Index
i10 Index
Citation Counts
3
2
195
Rankings
Ranking Based On Selection: 5
Lucy Nyambura Karanja
Metrics
H-Index
i10 Index
Citation Counts
3
2
186
Rankings
Ranking Based On Selection: 6
Sarah Chepkwony
Metrics
H-Index
i10 Index
Citation Counts
3
1
38
Organic chemistry
Natural product chemistry
Hemisynthesis
Rankings
Ranking Based On Selection: 7
Florence Atieno Opondo
Metrics
H-Index
i10 Index
Citation Counts
3
1
36
Rankings
Ranking Based On Selection: 8
Tecla Cheptoo
Metrics
H-Index
i10 Index
Citation Counts
3
1
31
Rankings
Ranking Based On Selection: 9
John Isemeki Owino
Metrics
H-Index
i10 Index
Citation Counts
2
1
126
Rankings
Ranking Based On Selection: 10
Rania Awad Naiyl
Metrics
H-Index
i10 Index
Citation Counts
1
1
16

360° Institutional Performance & Benchmarking Click Here for Live Demo 

Through advanced, institution-specific analytics and benchmarking, gain data-driven strategic insights into your academic performance, global standing, and competitive strengths. Compare your institution with 20 similarly ranked institutions at city, country, regional, and global levels, as well as with those in similar standings across 13 subjects, to uncover your institution’s strengths. More Info

Rankings
Ranking Based On Selection: 11
Abigael Jepchirchir
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Rankings
Ranking Based On Selection: 12
Alfayo Maiyo
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
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