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" (870,057 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.

James East
Semigroup theory
transformation monoids
diagram monoids
algebra
combinatorics
Metrics
H-Index
i10 Index
Citation
20
46
1,244
Andrew Francis
phylogenetic networks
algebraic biology
combinatorics
phylogenetics
Metrics
H-Index
i10 Index
Citation
18
27
1,389
Volker Gebhardt
Computational Group Theory
Combinatorial Algorithms
Garside Theory
Metrics
H-Index
i10 Index
Citation
15
18
997
Dorian Stoilescu
Mathematics Education
ICT Education
Teacher Professional Development
Metrics
H-Index
i10 Index
Citation
13
14
793
Liwan Liyanage
Mathematics
Statistics
Data Mining and Data Science
Predictive Modelling
Metrics
H-Index
i10 Index
Citation
11
12
910
Rankings
Ranking Based On Selection: 1
Russell Thomson
Metrics
H-Index
i10 Index
Citation Counts
44
93
10,900
Rankings
Ranking Based On Selection: 2
Roozbeh Hazrat
Metrics
H-Index
i10 Index
Citation Counts
23
44
1,805
Rankings
Ranking Based On Selection: 3
Yan Zhang
Metrics
H-Index
i10 Index
Citation Counts
22
47
1,679
Rankings
Ranking Based On Selection: 4
James East
Metrics
H-Index
i10 Index
Citation Counts
20
46
1,244
Semigroup theory
transformation monoids
diagram monoids
algebra
combinatorics
Rankings
Ranking Based On Selection: 5
Andrew Francis
Metrics
H-Index
i10 Index
Citation Counts
18
27
1,389
phylogenetic networks
algebraic biology
combinatorics
phylogenetics
Rankings
Ranking Based On Selection: 6
Volker Gebhardt
Metrics
H-Index
i10 Index
Citation Counts
15
18
997
Computational Group Theory
Combinatorial Algorithms
Garside Theory
Rankings
Ranking Based On Selection: 7
Kenan Matawie
Metrics
H-Index
i10 Index
Citation Counts
14
21
966
Rankings
Ranking Based On Selection: 8
Dorian Stoilescu
Metrics
H-Index
i10 Index
Citation Counts
13
14
793
Mathematics Education
ICT Education
Teacher Professional Development
Rankings
Ranking Based On Selection: 9
Liwan Liyanage
Metrics
H-Index
i10 Index
Citation Counts
11
12
910
Mathematics
Statistics
Data Mining and Data Science
Predictive Modelling