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" (873,863 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 :11
Hossein Ajamein
Chemical Engineering
Catalysis
Powder Technology
Combustion Synthesis
Metrics
H-Index
i10 Index
Citation
19
24
1,285
* Rankings
Ranking Based On Selection :13
Darab Yazdani
Antimicrobial bioactivity of plant secondary metabolites
Metrics
H-Index
i10 Index
Citation
19
38
1,668
* Rankings
Ranking Based On Selection :14
Hamid Pourianfar
virus-host interaction
anticancer and antiviral bioactive compounds
molecular mechanism of action
Metrics
H-Index
i10 Index
Citation
18
23
1,092
* Rankings
Ranking Based On Selection :16
Seyyed Jafar Saghanezhad
Organic synthesis and methodology
Multicomponent reactions
Catalysis
Green Chemistry
Metrics
H-Index
i10 Index
Citation
18
31
815
* Rankings
Ranking Based On Selection :17
Ali Asghar Haeri Mehrizi|A A Haeri Mehrizi
Statistics - BioStatistics
Data Mining
IBM SPSS Modeler (Clementine)
Statistical Software (SPSS- MINTAB)
SEM (Lisrel - Amos)
Metrics
H-Index
i10 Index
Citation
17
30
947
* Rankings
Ranking Based On Selection :19
Naser Kalhor
Molecular Genetic and Genetic Counseling
Metrics
H-Index
i10 Index
Citation
16
22
669
* Rankings
Ranking Based On Selection :21
Zahra Mohammadpour
Carbon dots
2D materials
Fluorescent assays
Green synthesis
Biosensors
Metrics
H-Index
i10 Index
Citation
16
19
950
* Rankings
Ranking Based On Selection :22
Majid Ghorbani Nohooji
Medicinal Plants
Ethnobotany
Taxonomy and Phylogeny
Secondary metabolites
Phytochemistry
Metrics
H-Index
i10 Index
Citation
16
20
675
* Rankings
Ranking Based On Selection :28
Alireza Madjid Ansari
Bioelectromagnetics
Integrative Oncology
Herbal Medicine
Metrics
H-Index
i10 Index
Citation
12
14
332
* Rankings
Ranking Based On Selection :29
Kamal Khodaei
groundwater pollution remediation
biodegradation
oil pollution
Metrics
H-Index
i10 Index
Citation
12
12
529
Navid Siahpolo
Earthquake Engineering
Vulnerability
Quick Inelastic Assessment
Passive Control Systems
Metrics
H-Index
i10 Index
Citation
9
9
321
Reza Tabatabaei Qomi
stem cell research
adipose derived-mesenchymal stem cells
chondrogenic differentiation
cartilage tissue engineering
Reproduc
Metrics
H-Index
i10 Index
Citation
9
8
422
Maryam Panahande
Risk assessment
Habitat suitability
impact assessment
ecological modeling
Metrics
H-Index
i10 Index
Citation
8
7
519
Hadi Rafiei|Hadi Rafiei
Agricultural economics
Resource economics
Water economics
Tourism economics
Metrics
H-Index
i10 Index
Citation
8
5
190
Iman Cheratian
Business economics
Regional economics
Labour economics
Energy economics
Metrics
H-Index
i10 Index
Citation
7
3
155
Zahra Sheikhi
Cancer
lymphology
Integrative medicine،traditional medicinenal
Metrics
H-Index
i10 Index
Citation
7
6
182
Javad Barati
economic development
economic planning
tourism
regional planning
Metrics
H-Index
i10 Index
Citation
7
1
142
Amin Attarzadeh
Quantum nonlinear optics
NushellX
COMSOL
MATLAB
Metrics
H-Index
i10 Index
Citation
6
3
78
Masood Askari
Model Predictive Control
Optimal Control
Industrial Automation
Metrics
H-Index
i10 Index
Citation
6
5
239
Khalil Jalili
water resources management
optimization
climate change
watershed management
hydrology
Metrics
H-Index
i10 Index
Citation
5
3
270
Neda Razavizadeh
Sociology
Sociology of Tourism
Sociology of Consumption
Sociolofy of Religion
Metrics
H-Index
i10 Index
Citation
5
5
99
Parvaneh Farhadbeigi
Cognitive deficits
Neurotherapy
Neuroergonomics
Metrics
H-Index
i10 Index
Citation
5
3
99
Majid Khanzadeh
Immuno- nutrition
Fish Immunity
Aquaculture
Algae
Fish Vaccine
Metrics
H-Index
i10 Index
Citation
4
3
45
Hamed Nazifi
Power System Analysis and Simulation
Power Electronics
Reneable Energy
Grid forming inverters
Metrics
H-Index
i10 Index
Citation
4
1
37
Sahel Ghasemzadeh
Cancer therapy
Nanomedicine
Cellular biology
Genetics
Metrics
H-Index
i10 Index
Citation
3
2
28
Tahmineh Shaverdi
Social networks
Social Capital
women studies
Cultural communication
Metrics
H-Index
i10 Index
Citation
3
1
70
Seyed Javad Habibi
James Joyce
Ian McEwan
Postmodernist Fiction
Narratology
Phenomenology
Metrics
H-Index
i10 Index
Citation
3
0
18
Rankings
Ranking Based On Selection: 1
Keivan Majidzadeh-A,
Metrics
H-Index
i10 Index
Citation Counts
33
106
3,808
Breast Cancer Genetics
hereditary cancers
Biotechnology in Cancer
Rankings
Ranking Based On Selection: 2
Hasan Fallah Huseini
Metrics
H-Index
i10 Index
Citation Counts
31
63
3,990
Rankings
Ranking Based On Selection: 3
Mahmoud Tavousi
Metrics
H-Index
i10 Index
Citation Counts
27
65
2,972
Rankings
Ranking Based On Selection: 4
Shahpar Haghighat
Metrics
H-Index
i10 Index
Citation Counts
26
55
3,155
Rankings
Ranking Based On Selection: 6
Javid Ghahremani Nahr
Metrics
H-Index
i10 Index
Citation Counts
24
42
1,813
Rankings
Ranking Based On Selection: 7
Farhad Seif
Metrics
H-Index
i10 Index
Citation Counts
22
35
2,354
Th cells
Cytokines/JAK-STAT
Allergy-Immunodeficiency
Rheumatology
Rankings
Ranking Based On Selection: 8
Mehdi Eskandari
Metrics
H-Index
i10 Index
Citation Counts
22
39
1,285
Rankings
Ranking Based On Selection: 10
Jila Sadighi
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,325
Rankings
Ranking Based On Selection: 11
Hossein Ajamein
Metrics
H-Index
i10 Index
Citation Counts
19
24
1,285
Chemical Engineering
Catalysis
Powder Technology
Combustion Synthesis
Rankings
Ranking Based On Selection: 12
Hamid Reza Bidkhori
Metrics
H-Index
i10 Index
Citation Counts
19
29
1,396
Cell and Gene Therapy
Cancer
Extracellular Vesicles
Rankings
Ranking Based On Selection: 13
Darab Yazdani
Metrics
H-Index
i10 Index
Citation Counts
19
38
1,668
Antimicrobial bioactivity of plant secondary metabolites
Rankings
Ranking Based On Selection: 14
Hamid Pourianfar
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,092
virus-host interaction
anticancer and antiviral bioactive compounds
molecular mechanism of action
Rankings
Ranking Based On Selection: 16
Organic synthesis and methodology
Multicomponent reactions
Catalysis
Green Chemistry
Rankings
Ranking Based On Selection: 17
Statistics - BioStatistics
Data Mining
IBM SPSS Modeler (Clementine)
Statistical Software (SPSS- MINTAB)
SEM (Lisrel - Amos)
Rankings
Ranking Based On Selection: 18
public health
epidemiology
HIV/AIDS
HTLV and Viral Hepatitis
Rankings
Ranking Based On Selection: 19
Naser Kalhor
Metrics
H-Index
i10 Index
Citation Counts
16
22
669
Molecular Genetic and Genetic Counseling
Rankings
Ranking Based On Selection: 21
Zahra Mohammadpour
Metrics
H-Index
i10 Index
Citation Counts
16
19
950
Carbon dots
2D materials
Fluorescent assays
Green synthesis
Biosensors
Rankings
Ranking Based On Selection: 22
Medicinal Plants
Ethnobotany
Taxonomy and Phylogeny
Secondary metabolites
Phytochemistry
Rankings
Ranking Based On Selection: 23
chemistry
catalysis
synthesis
water treatment
polymer
Rankings
Ranking Based On Selection: 26
Mohsen Mardani
Metrics
H-Index
i10 Index
Citation Counts
13
16
656
Rankings
Ranking Based On Selection: 27
Rankings
Ranking Based On Selection: 28
Bioelectromagnetics
Integrative Oncology
Herbal Medicine
Rankings
Ranking Based On Selection: 29
Kamal Khodaei
Metrics
H-Index
i10 Index
Citation Counts
12
12
529
groundwater pollution remediation
biodegradation
oil pollution
Rankings
Ranking Based On Selection: 30
Ali Akbar Soleimani
Metrics
H-Index
i10 Index
Citation Counts
12
12
495
psychology-clinical psychology-Family therapy
Rankings
Ranking Based On Selection: 31
Azar Sheikholeslami
Metrics
H-Index
i10 Index
Citation Counts
10
10
267
Stem Cell Research
Regenerative Medicine
Cancer Research
Embryology
Rankings
Ranking Based On Selection: 32
Hamed Saberian
Metrics
H-Index
i10 Index
Citation Counts
9
9
361
Rankings
Ranking Based On Selection: 33
Navid Siahpolo
Metrics
H-Index
i10 Index
Citation Counts
9
9
321
Earthquake Engineering
Vulnerability
Quick Inelastic Assessment
Passive Control Systems
Rankings
Ranking Based On Selection: 34
Rankings
Ranking Based On Selection: 35
stem cell research
adipose derived-mesenchymal stem cells
chondrogenic differentiation
cartilage tissue engineering
Reproduc
Rankings
Ranking Based On Selection: 37
Rankings
Ranking Based On Selection: 39
Maryam Panahande
Metrics
H-Index
i10 Index
Citation Counts
8
7
519
Risk assessment
Habitat suitability
impact assessment
ecological modeling
Rankings
Ranking Based On Selection: 40
Agricultural economics
Resource economics
Water economics
Tourism economics
Rankings
Ranking Based On Selection: 41
Ali Kowsari
Metrics
H-Index
i10 Index
Citation Counts
7
7
215
Rankings
Ranking Based On Selection: 42
Iman Cheratian
Metrics
H-Index
i10 Index
Citation Counts
7
3
155
Business economics
Regional economics
Labour economics
Energy economics
Rankings
Ranking Based On Selection: 44
Rankings
Ranking Based On Selection: 45
Zahra Sheikhi
Metrics
H-Index
i10 Index
Citation Counts
7
6
182
Cancer
lymphology
Integrative medicine،traditional medicinenal
Rankings
Ranking Based On Selection: 46
Javad Barati
Metrics
H-Index
i10 Index
Citation Counts
7
1
142
economic development
economic planning
tourism
regional planning
Rankings
Ranking Based On Selection: 47
Mitra Parsa
Metrics
H-Index
i10 Index
Citation Counts
6
5
284
Rankings
Ranking Based On Selection: 48
Mahnaz Shahzamani
Metrics
H-Index
i10 Index
Citation Counts
6
5
127
Polymer science
Polymer coatings
Nanostructure material
Rubber materials
Rankings
Ranking Based On Selection: 50
Rankings
Ranking Based On Selection: 53
Amin Attarzadeh
Metrics
H-Index
i10 Index
Citation Counts
6
3
78
Quantum nonlinear optics
NushellX
COMSOL
MATLAB
Rankings
Ranking Based On Selection: 54
Masood Askari
Metrics
H-Index
i10 Index
Citation Counts
6
5
239
Model Predictive Control
Optimal Control
Industrial Automation
Rankings
Ranking Based On Selection: 57
Maryam Sedaghat
Metrics
H-Index
i10 Index
Citation Counts
5
5
246
development psychology
parents education
Rankings
Ranking Based On Selection: 59
Khalil Jalili
Metrics
H-Index
i10 Index
Citation Counts
5
3
270
water resources management
optimization
climate change
watershed management
hydrology
Rankings
Ranking Based On Selection: 60
Neda Razavizadeh
Metrics
H-Index
i10 Index
Citation Counts
5
5
99
Sociology
Sociology of Tourism
Sociology of Consumption
Sociolofy of Religion
Rankings
Ranking Based On Selection: 61
Rankings
Ranking Based On Selection: 62
Cognitive deficits
Neurotherapy
Neuroergonomics
Rankings
Ranking Based On Selection: 63
Mohammad Shali
Metrics
H-Index
i10 Index
Citation Counts
5
2
62
urban planning and management
urban development sustainability
Rankings
Ranking Based On Selection: 64
Photonics -EngineeringNanophotonics-Integrated Opticsnanoelectronics
Rankings
Ranking Based On Selection: 65
Marjan Aminian
Metrics
H-Index
i10 Index
Citation Counts
4
4
96
Rankings
Ranking Based On Selection: 66
Mojdeh Azizi
Metrics
H-Index
i10 Index
Citation Counts
4
3
100
Rankings
Ranking Based On Selection: 67
Majid Khanzadeh
Metrics
H-Index
i10 Index
Citation Counts
4
3
45
Immuno- nutrition
Fish Immunity
Aquaculture
Algae
Fish Vaccine
Rankings
Ranking Based On Selection: 68
Mohsen Karimi
Metrics
H-Index
i10 Index
Citation Counts
4
1
46
Rankings
Ranking Based On Selection: 69
Faramarz Nouri
Metrics
H-Index
i10 Index
Citation Counts
4
1
38
Rankings
Ranking Based On Selection: 70
urban planning and management
tourism planning
tourism management
Rankings
Ranking Based On Selection: 71
Hamed Nazifi
Metrics
H-Index
i10 Index
Citation Counts
4
1
37
Power System Analysis and Simulation
Power Electronics
Reneable Energy
Grid forming inverters
Rankings
Ranking Based On Selection: 72
Artificial Intelligence
Optimization
FEM
Design
Manufacturing
Rankings
Ranking Based On Selection: 73
Navid Momenifar
Metrics
H-Index
i10 Index
Citation Counts
3
2
64
Systems Biology
Virology
Bioinformatics
Molecular Biology
Genomics
Rankings
Ranking Based On Selection: 74
Cancer therapy
Nanomedicine
Cellular biology
Genetics
Rankings
Ranking Based On Selection: 75
Hamed Bakhshi
Metrics
H-Index
i10 Index
Citation Counts
3
1
97
Rankings
Ranking Based On Selection: 76
Ali Rahnama
Metrics
H-Index
i10 Index
Citation Counts
3
0
40
Rankings
Ranking Based On Selection: 77
Hamid Ahmadi
Metrics
H-Index
i10 Index
Citation Counts
3
0
26
Rankings
Ranking Based On Selection: 78
Social networks
Social Capital
women studies
Cultural communication
Rankings
Ranking Based On Selection: 80
James Joyce
Ian McEwan
Postmodernist Fiction
Narratology
Phenomenology
Rankings
Ranking Based On Selection: 85
Hasan Ghiasi
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Rankings
Ranking Based On Selection: 86