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" (873,937 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
Ugochukwu C. Okonkwo
Mechanical Design
Materials Technology
Ionization Radiation
Metrics
H-Index
i10 Index
Citation
19
29
1,151
* Rankings
Ranking Based On Selection :2
Sam Nna Omenyi
Fine particle technology
blood-HIV interactions
surface thermodynamics
mechanical vibrations
Metrics
H-Index
i10 Index
Citation
17
24
1,497
Chinonso Hubert Achebe
Thermal/Power Engineering
Surface Thermodynamics
Renewable Energy
CAD/CAM Applications
Metrics
H-Index
i10 Index
Citation
12
16
499
Ezeliora Chukwuemeka Daniel
Mechanical
Advance Manufacturing
Industrial and Production Enginneering
Metrics
H-Index
i10 Index
Citation
7
5
257
Rankings
Ranking Based On Selection: 1
Ugochukwu C. Okonkwo
Metrics
H-Index
i10 Index
Citation Counts
19
29
1,151
Mechanical Design
Materials Technology
Ionization Radiation
Rankings
Ranking Based On Selection: 2
Sam Nna Omenyi
Metrics
H-Index
i10 Index
Citation Counts
17
24
1,497
Fine particle technology
blood-HIV interactions
surface thermodynamics
mechanical vibrations
Rankings
Ranking Based On Selection: 3
Chinonso Hubert Achebe
Metrics
H-Index
i10 Index
Citation Counts
12
16
499
Thermal/Power Engineering
Surface Thermodynamics
Renewable Energy
CAD/CAM Applications
Rankings
Ranking Based On Selection: 4
Paul Okolie
Metrics
H-Index
i10 Index
Citation Counts
9
9
326
Rankings
Ranking Based On Selection: 5
Sunday Madubueze Ofochebe
Metrics
H-Index
i10 Index
Citation Counts
8
7
282
Rankings
Ranking Based On Selection: 6
Ezeliora Chukwuemeka Daniel
Metrics
H-Index
i10 Index
Citation Counts
7
5
257
Mechanical
Advance Manufacturing
Industrial and Production Enginneering
Rankings
Ranking Based On Selection: 7
Solomon C Nwigbo
Metrics
H-Index
i10 Index
Citation Counts
7
7
229
Rankings
Ranking Based On Selection: 8
Ekengwu Ignatius Echezona
Metrics
H-Index
i10 Index
Citation Counts
4
3
71
Rankings
Ranking Based On Selection: 9
Ai Ijomah
Metrics
H-Index
i10 Index
Citation Counts
4
2
56
Rankings
Ranking Based On Selection: 10
Cv. Obinani|Obinani Victor Chimdike
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
thermofluids
heat transfer
mechanical systems
energy and power