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
Mehdi Mousavi Kamazani
Solar Cell
Hydrogen storage
Photocatalyst
Nanotechnology
Metrics
H-Index
i10 Index
Citation
34
56
3,276
* Rankings
Ranking Based On Selection: 2
Bahman Zarenezhad
Oil and Gas Processing
Renewable Energy
Nanotechnology
HSE
Metrics
H-Index
i10 Index
Citation
24
43
1,667
* Rankings
Ranking Based On Selection: 4
Majid Naseri
Nanostructured Materials
High Entropy Alloys
Crystallographic Texture
Severe Plastic Deformation
Metrics
H-Index
i10 Index
Citation
19
32
1,257
H Abdoos
Nanomaterials
Nanocomposites
Powder Metallurgy
Mechanical properties
Metrics
H-Index
i10 Index
Citation
12
14
654
Zohreh Bahrami
Nanomaterials
Magnetic Nanostructurs
Drug Delivery
Metrics
H-Index
i10 Index
Citation
12
13
477
Narjes Keramati
Wastewater treatment
Nanotechnology
Photocatalyst
Optimization
Metrics
H-Index
i10 Index
Citation
10
11
533
Rankings
Ranking Based On Selection: 1
Mehdi Mousavi Kamazani
Metrics
H-Index
i10 Index
Citation Counts
34
56
3,276
Rankings
Ranking Based On Selection: 2
Bahman Zarenezhad
Metrics
H-Index
i10 Index
Citation Counts
24
43
1,667
Oil and Gas Processing
Renewable Energy
Nanotechnology
HSE
Rankings
Ranking Based On Selection: 3
Parviz Keshavarzi
Metrics
H-Index
i10 Index
Citation Counts
21
39
1,234
Rankings
Ranking Based On Selection: 4
Majid Naseri
Metrics
H-Index
i10 Index
Citation Counts
19
32
1,257
Nanostructured Materials
High Entropy Alloys
Crystallographic Texture
Severe Plastic Deformation
Rankings
Ranking Based On Selection: 5
Majid Jafar Tafreshi
Metrics
H-Index
i10 Index
Citation Counts
16
32
1,284
Rankings
Ranking Based On Selection: 6
H Abdoos
Metrics
H-Index
i10 Index
Citation Counts
12
14
654
Nanomaterials
Nanocomposites
Powder Metallurgy
Mechanical properties
Rankings
Ranking Based On Selection: 7
Zohreh Bahrami
Metrics
H-Index
i10 Index
Citation Counts
12
13
477
Rankings
Ranking Based On Selection: 8
Narjes Keramati
Metrics
H-Index
i10 Index
Citation Counts
10
11
533
Wastewater treatment
Nanotechnology
Photocatalyst
Optimization