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" (901,365 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 :2
Soodeh Hosseini
Machine Learning
Cyber Security
Malware Propagation
Metrics
H-Index
i10 Index
Citation
18
24
897
* Rankings
Ranking Based On Selection :9
Mohamad Ali Hajabasi
Applied Mechanics
computational Mechanics
Dynamics and Vibration
Metrics
H-Index
i10 Index
Citation
11
12
465
* Rankings
Ranking Based On Selection :14
Azadeh Alsadat Emrani Zarandi
Computer Arithmetic
Residue Number Systems Circuits
Computer Networks
Metrics
H-Index
i10 Index
Citation
10
10
502
Amin Ghasemi
artificial intelligence
machine learning
deep learning
Metrics
H-Index
i10 Index
Citation
9
9
153
Mohammad Khajeh Bami
Poultry Nutrition
Feed Additives
Probiotics
Nanoparticles
Metrics
H-Index
i10 Index
Citation
6
6
187
Mohammad Reza Maddahi
Reservoir Sedimentation Downstream Fish Migration ADCP
Metrics
H-Index
i10 Index
Citation
6
4
107
Zahra Paymaneh
soil biology and biotechnology arbuscular mycorrhizal fungi
Metrics
H-Index
i10 Index
Citation
5
4
103
Sareh Sayari
Numerical simulation
Hydraulic
Irrigation
Water structures
Open channel flow
Metrics
H-Index
i10 Index
Citation
5
3
101
Reza Akhbari
international economics
environmental econnomics
labor economics
Metrics
H-Index
i10 Index
Citation
4
2
138
Omid Ansari
working memory
cognitive load
attentional focus
Metrics
H-Index
i10 Index
Citation
2
0
10
Javid Rezania
Progressive Collapse
Spatial Structures
Earthquake
Structural Analysis and Design
Dynamic and Finite Element
Metrics
H-Index
i10 Index
Citation
1
0
6
Rankings
Ranking Based On Selection: 1
Hamid Khoshdast
Metrics
H-Index
i10 Index
Citation Counts
19
31
1,098
Rankings
Ranking Based On Selection: 2
Soodeh Hosseini
Metrics
H-Index
i10 Index
Citation Counts
18
24
897
Machine Learning
Cyber Security
Malware Propagation
Rankings
Ranking Based On Selection: 3
Azadeh Hojat
Metrics
H-Index
i10 Index
Citation Counts
17
23
758
Rankings
Ranking Based On Selection: 4
Saleh Hamzehei-Javaran
Metrics
H-Index
i10 Index
Citation Counts
16
29
727
Rankings
Ranking Based On Selection: 5
Mahdieh Ghazvini
Metrics
H-Index
i10 Index
Citation Counts
15
17
654
Rankings
Ranking Based On Selection: 6
Rohollah Nikooie
Metrics
H-Index
i10 Index
Citation Counts
13
15
607
Rankings
Ranking Based On Selection: 7
Mahdiyeh Mehran
Metrics
H-Index
i10 Index
Citation Counts
13
15
487
Rankings
Ranking Based On Selection: 8
Omid Pourheidari
Metrics
H-Index
i10 Index
Citation Counts
11
16
626
Rankings
Ranking Based On Selection: 9
Mohamad Ali Hajabasi
Metrics
H-Index
i10 Index
Citation Counts
11
12
465
Applied Mechanics
computational Mechanics
Dynamics and Vibration
Rankings
Ranking Based On Selection: 10
Meysam Soltani Nejad
Metrics
H-Index
i10 Index
Citation Counts
10
11
692
Rankings
Ranking Based On Selection: 11
Hamzeh Pasban-Aliabadi
Metrics
H-Index
i10 Index
Citation Counts
10
10
449
Rankings
Ranking Based On Selection: 12
Hamid Mortezapour
Metrics
H-Index
i10 Index
Citation Counts
10
10
604
Rankings
Ranking Based On Selection: 13
Ahmad İrannejad
Metrics
H-Index
i10 Index
Citation Counts
10
10
515
Rankings
Ranking Based On Selection: 14
Azadeh Alsadat Emrani Zarandi
Metrics
H-Index
i10 Index
Citation Counts
10
10
502
Computer Arithmetic
Residue Number Systems Circuits
Computer Networks
Rankings
Ranking Based On Selection: 16
Amin Ghasemi
Metrics
H-Index
i10 Index
Citation Counts
9
9
153
artificial intelligence
machine learning
deep learning
Rankings
Ranking Based On Selection: 17
Mohammad Khajeh Bami
Metrics
H-Index
i10 Index
Citation Counts
6
6
187
Poultry Nutrition
Feed Additives
Probiotics
Nanoparticles
Rankings
Ranking Based On Selection: 18
Mohammad Maddahian
Metrics
H-Index
i10 Index
Citation Counts
6
6
109
Rankings
Ranking Based On Selection: 19
Jalal Ghanbari
Metrics
H-Index
i10 Index
Citation Counts
6
5
188
Rankings
Ranking Based On Selection: 20
Mohammad Reza Maddahi
Metrics
H-Index
i10 Index
Citation Counts
6
4
107
Reservoir Sedimentation Downstream Fish Migration ADCP
Rankings
Ranking Based On Selection: 21
Zahra Paymaneh
Metrics
H-Index
i10 Index
Citation Counts
5
4
103
soil biology and biotechnology arbuscular mycorrhizal fungi
Rankings
Ranking Based On Selection: 22
Negin Amiri
Metrics
H-Index
i10 Index
Citation Counts
5
3
117
Rankings
Ranking Based On Selection: 23
Sareh Sayari
Metrics
H-Index
i10 Index
Citation Counts
5
3
101
Numerical simulation
Hydraulic
Irrigation
Water structures
Open channel flow
Rankings
Ranking Based On Selection: 24
Reza Akhbari
Metrics
H-Index
i10 Index
Citation Counts
4
2
138
international economics
environmental econnomics
labor economics
Rankings
Ranking Based On Selection: 25
Saeed İranmanesh
Metrics
H-Index
i10 Index
Citation Counts
4
2
37
international economic-macro economic-urban economic
Rankings
Ranking Based On Selection: 26
Helia Kalantari
Metrics
H-Index
i10 Index
Citation Counts
4
0
32
High entropy alloys
Advance materials
Machine Learning
Modeling
Rankings
Ranking Based On Selection: 27
Fatemeh Taheri-Azad
Metrics
H-Index
i10 Index
Citation Counts
3
3
178
Rankings
Ranking Based On Selection: 28
Amin Amiri
Metrics
H-Index
i10 Index
Citation Counts
3
0
14
Rankings
Ranking Based On Selection: 29
Hamed Saber
Metrics
H-Index
i10 Index
Citation Counts
3
0
11
Rankings
Ranking Based On Selection: 30
Marzieh Jahanshahi
Metrics
H-Index
i10 Index
Citation Counts
2
2
27
Rankings
Ranking Based On Selection: 31
Omid Ansari
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
working memory
cognitive load
attentional focus
Rankings
Ranking Based On Selection: 32
Hamidreza
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Rankings
Ranking Based On Selection: 33
Javid Rezania
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Progressive Collapse
Spatial Structures
Earthquake
Structural Analysis and Design
Dynamic and Finite Element