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" (910,673 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
Genady Ya Grabarnik
operator algebras
ergodic theory
statistics
sparse modeling
machine learning
Metrics
H-Index
i10 Index
Citation
33
88
3,743
Mikhail Ostrovskii
Functional Analysis
Graph Theory
Metric Geometry
Metrics
H-Index
i10 Index
Citation
16
32
1,463
Alexander A Katz
Mathematics
Functional Analysis
Operator Algebras
Topological Algebras
Ergodic Theory
Metrics
H-Index
i10 Index
Citation
4
1
62
Kazi Obaidullah
Wireless Body Area Network and Security
Net. & Cyber Security
OO Programs
Data Struct and Algorithms
Machine Lear & Logic D
Metrics
H-Index
i10 Index
Citation
3
0
27
Rankings
Ranking Based On Selection: 1
Genady Ya Grabarnik
Metrics
H-Index
i10 Index
Citation Counts
33
88
3,743
operator algebras
ergodic theory
statistics
sparse modeling
machine learning
Rankings
Ranking Based On Selection: 2
Mikhail Ostrovskii
Metrics
H-Index
i10 Index
Citation Counts
16
32
1,463
Functional Analysis
Graph Theory
Metric Geometry
Rankings
Ranking Based On Selection: 3
Igor V Nikolaev
Metrics
H-Index
i10 Index
Citation Counts
12
15
625
Rankings
Ranking Based On Selection: 4
Regina Mistretta
Metrics
H-Index
i10 Index
Citation Counts
7
4
348
Rankings
Ranking Based On Selection: 5
Bret Benesh
Metrics
H-Index
i10 Index
Citation Counts
5
4
176
Finite Group Theory and Combinatorial Game Theory
Rankings
Ranking Based On Selection: 6
Alexander A Katz
Metrics
H-Index
i10 Index
Citation Counts
4
1
62
Mathematics
Functional Analysis
Operator Algebras
Topological Algebras
Ergodic Theory
Rankings
Ranking Based On Selection: 7
Kazi Obaidullah
Metrics
H-Index
i10 Index
Citation Counts
3
0
27
Wireless Body Area Network and Security
Net. & Cyber Security
OO Programs
Data Struct and Algorithms
Machine Lear & Logic D
Rankings
Ranking Based On Selection: 8
Meseyeki Saiguran
Metrics
H-Index
i10 Index
Citation Counts
1
0
4