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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,289 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
Ali Ramazani
Organic and Medicinal Chemistry
Structural Chemistry and Artificial Enzymes
Nanochemistr
Metrics
 
H-Index
i10 Index
Citation
72
408
19,338
* Rankings
Ranking Based On Selection: 2
Saleh Mobayen
Nonlinear Control
Sliding Mode Control
Robotics
Optimal Control
Automatic Contro
Metrics
 
H-Index
i10 Index
Citation
58
185
9,696
* Rankings
Ranking Based On Selection: 6
Saeid Taghavi Fardood
Organic Chemistry
Catalysis
Advanced Oxidation Processes
Nanomaterial
photocatalysi
Metrics
 
H-Index
i10 Index
Citation
39
59
4,339
* Rankings
Ranking Based On Selection: 7
Abbas Rabiee
Smart Grids
Renewable Energies
Integrated and Net Zero Energy System
Metrics
 
H-Index
i10 Index
Citation
38
70
4,783
* Rankings
Ranking Based On Selection: 11
Mohammad Ali Rezvani
Nano materials Nano catalyst
Metal oxides Ceramics
MOFs
Polyoxometalate
Environmental pollutio
Metrics
 
H-Index
i10 Index
Citation
35
56
2,699
* Rankings
Ranking Based On Selection: 12
Saeed Ghanbarzadeh
Pharmaceutics and Pharmaceutical Nanotechnology Physical Pharmacy and Biopharmacy Molecular Dynamics Simulatin
Metrics
 
H-Index
i10 Index
Citation
35
73
3,389
* Rankings
Ranking Based On Selection: 18
Mehran Rahimlou
Nutrition
diabetes
Metabolic syndrome
multiple sclerosi
Metrics
 
H-Index
i10 Index
Citation
30
49
2,163
* Rankings
Ranking Based On Selection: 21
Aziz Maleki
Chemistry
Phototherapy
Cancer
Nanomedicine
Tissue Engineerin
Metrics
 
H-Index
i10 Index
Citation
28
38
3,585
* Rankings
Ranking Based On Selection: 22
Samad Nadri
Stem Cell
Tissue Regeneration
Regenerative Medicine
Microfluidic and Lab on a Chi
Metrics
 
H-Index
i10 Index
Citation
28
48
3,347
* Rankings
Ranking Based On Selection: 23
Mohammad E Amiri
pomology
plant Nutrition
plant tissue culture
post harves
Metrics
 
H-Index
i10 Index
Citation
28
80
3,096
* Rankings
Ranking Based On Selection: 24
Omid Rahmani
Composites
Nano mechanics
Smart Structures
Sandwich Structures
Vibratio
Metrics
 
H-Index
i10 Index
Citation
28
56
2,525
* Rankings
Ranking Based On Selection: 25
Seyed Jamal Tabatabaei Rezaei
Drug delivery
Polymer chemistry
Catalysis
Organic chemistr
Metrics
 
H-Index
i10 Index
Citation
28
43
2,096
Rankings
Ranking Based On Selection: 1
Ali Ramazani
Metrics
 
H-Index
i10 Index
Citation Counts
72
408
19,338
Organic and Medicinal Chemistry
Structural Chemistry and Artificial Enzymes
Nanochemistr
Rankings
Ranking Based On Selection: 2
Saleh Mobayen
Metrics
 
H-Index
i10 Index
Citation Counts
58
185
9,696
Nonlinear Control
Sliding Mode Control
Robotics
Optimal Control
Automatic Contro
Rankings
Ranking Based On Selection: 3
Hossein Danafar
Metrics
 
H-Index
i10 Index
Citation Counts
51
126
6,760
Rankings
Ranking Based On Selection: 4
Seyyed Shamsadin Athari
Metrics
 
H-Index
i10 Index
Citation Counts
51
106
23,096
Rankings
Ranking Based On Selection: 5
Mehrdad Hamidi
Metrics
 
H-Index
i10 Index
Citation Counts
46
101
10,045
Rankings
Ranking Based On Selection: 6
Saeid Taghavi Fardood
Metrics
 
H-Index
i10 Index
Citation Counts
39
59
4,339
Organic Chemistry
Catalysis
Advanced Oxidation Processes
Nanomaterial
photocatalysi
Rankings
Ranking Based On Selection: 7
Abbas Rabiee
Metrics
 
H-Index
i10 Index
Citation Counts
38
70
4,783
Smart Grids
Renewable Energies
Integrated and Net Zero Energy System
Rankings
Ranking Based On Selection: 9
Mohammad Reza Yaftian
Metrics
 
H-Index
i10 Index
Citation Counts
37
112
4,159
Rankings
Ranking Based On Selection: 10
Mir Jamal Hosseini
Metrics
 
H-Index
i10 Index
Citation Counts
36
87
3,844
Rankings
Ranking Based On Selection: 11
Mohammad Ali Rezvani
Metrics
 
H-Index
i10 Index
Citation Counts
35
56
2,699
Nano materials Nano catalyst
Metal oxides Ceramics
MOFs
Polyoxometalate
Environmental pollutio
Rankings
Ranking Based On Selection: 12
Saeed Ghanbarzadeh
Metrics
 
H-Index
i10 Index
Citation Counts
35
73
3,389
Pharmaceutics and Pharmaceutical Nanotechnology Physical Pharmacy and Biopharmacy Molecular Dynamics Simulatin
Rankings
Ranking Based On Selection: 13
Mohammad Hossein Rasoulifard
Metrics
 
H-Index
i10 Index
Citation Counts
34
81
5,377
Rankings
Ranking Based On Selection: 14
Mir Saeed Seyed Dorraji
Metrics
 
H-Index
i10 Index
Citation Counts
33
81
3,617
Rankings
Ranking Based On Selection: 15
Abbasali Zamani
Metrics
 
H-Index
i10 Index
Citation Counts
32
79
2,843
Rankings
Ranking Based On Selection: 16
Ali Sharafi
Metrics
 
H-Index
i10 Index
Citation Counts
31
79
3,439
Rankings
Ranking Based On Selection: 17
Mohamadreza Karimi
Metrics
 
H-Index
i10 Index
Citation Counts
31
130
4,037
Rankings
Ranking Based On Selection: 18
Mehran Rahimlou
Metrics
 
H-Index
i10 Index
Citation Counts
30
49
2,163
Rankings
Ranking Based On Selection: 19
Koorosh Kamali
Metrics
 
H-Index
i10 Index
Citation Counts
30
88
3,187
Rankings
Ranking Based On Selection: 20
Mortazavihematology
Metrics
 
H-Index
i10 Index
Citation Counts
29
66
3,054
Rankings
Ranking Based On Selection: 21
Aziz Maleki
Metrics
 
H-Index
i10 Index
Citation Counts
28
38
3,585
Chemistry
Phototherapy
Cancer
Nanomedicine
Tissue Engineerin
Rankings
Ranking Based On Selection: 22
Samad Nadri
Metrics
 
H-Index
i10 Index
Citation Counts
28
48
3,347
Stem Cell
Tissue Regeneration
Regenerative Medicine
Microfluidic and Lab on a Chi
Rankings
Ranking Based On Selection: 23
Mohammad E Amiri
Metrics
 
H-Index
i10 Index
Citation Counts
28
80
3,096
Rankings
Ranking Based On Selection: 24
Omid Rahmani
Metrics
 
H-Index
i10 Index
Citation Counts
28
56
2,525
Composites
Nano mechanics
Smart Structures
Sandwich Structures
Vibratio
Rankings
Ranking Based On Selection: 25
Seyed Jamal Tabatabaei Rezaei
Metrics
 
H-Index
i10 Index
Citation Counts
28
43
2,096
Drug delivery
Polymer chemistry
Catalysis
Organic chemistr