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" (873,690 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
Amin Salehi Abargouei
Nutritional epidemiology
Public health nutrition
Meta-analyses
Community-Based Interventions
Metrics
H-Index
i10 Index
Citation
43
125
8,110
* Rankings
Ranking Based On Selection: 9
Alireza Moradi
Synthesis
Computational Chemistry
Docking
Modeling
Dynamic Simulation
Metrics
H-Index
i10 Index
Citation
29
56
2,489

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* Rankings
Ranking Based On Selection: 13
Mohammad Javad Zare Sakhvidi
Occupational Epidemiology
Environmental Epidemiology
Air Pollution
Exposure Assessment
Metrics
H-Index
i10 Index
Citation
26
50
2,165
* Rankings
Ranking Based On Selection: 17
Farzan Madadizadeh
Medical Statistics
Medical Research
Graphical Models
Scale reliability and validity
Metrics
H-Index
i10 Index
Citation
24
46
5,768
* Rankings
Ranking Based On Selection: 19
Reza Bidaki
Psychiatry
Rheumatology
Dermatolgy
GI medicine
Urology
Metrics
H-Index
i10 Index
Citation
24
62
2,058
* Rankings
Ranking Based On Selection: 21
Farzaneh Fesahat
Reproductive Immunology
Reproductive Genetics
Male Infertility
Biotechnology
Metrics
H-Index
i10 Index
Citation
24
36
1,466
* Rankings
Ranking Based On Selection: 22
Soghra Yassaei
shahid sadoughi university of medical sciences
Yazd
Iran
Metrics
H-Index
i10 Index
Citation
24
40
1,369
* Rankings
Ranking Based On Selection: 23
Abdolmajid Gholizadeh
Environmental Sciences
Bioelectrochemical Systems
Water & Wastewater Pollution
spatial analysis
Metrics
H-Index
i10 Index
Citation
22
36
1,493
* Rankings
Ranking Based On Selection: 24
Mostafa Azimzadeh
Nanobiotechnology
Biosensors
Biomedical Engineering
Wearables
Bioprinting
Metrics
H-Index
i10 Index
Citation
22
33
2,315
* Rankings
Ranking Based On Selection: 27
Mehrdad Mostaghaci Md
Occupational & Environmental Medicine
Sleep Medicine
Metrics
H-Index
i10 Index
Citation
22
35
1,257
* Rankings
Ranking Based On Selection: 31
Arash Dalvand
Environmental Health Engineering
Water and Wastewater Treatment
Environmental Nanotechnology
Environmental Electrochemistry
Metrics
H-Index
i10 Index
Citation
20
27
1,648
* Rankings
Ranking Based On Selection: 43
Nastaran Ahmadi
Public health data science
R programming
Shiny app development
Statistical analysis
STATA
Metrics
H-Index
i10 Index
Citation
18
30
5,509
* Rankings
Ranking Based On Selection: 50
Hengameh Zandi
Medical Microbiology
Antimicrobial resistance
Dental Microbiology
Anaerobes
Metrics
H-Index
i10 Index
Citation
17
31
931
* Rankings
Ranking Based On Selection: 51
Majid Emtiazy
Iranian Traditional Medicine
Traditional Medicine
Persian Medicine
Metrics
H-Index
i10 Index
Citation
17
24
1,172
* Rankings
Ranking Based On Selection: 52
Mehdi Fatahi Bafghi
microbial systematics-Actinomycete family-Antibiotic resistance
Metrics
H-Index
i10 Index
Citation
17
24
946
* Rankings
Ranking Based On Selection: 60
Mohsen Mirzaei
Public Health
Community Medicine
Non-Communicable Diseases
Spatial Epidemiology
Metrics
H-Index
i10 Index
Citation
16
28
1,306
* Rankings
Ranking Based On Selection: 62
Kazem Barzegar
Medical education
teaching English/French/Russian
teaching methodology
multidisciplinary and interdisciplinary fields
Metrics
H-Index
i10 Index
Citation
16
23
920
* Rankings
Ranking Based On Selection: 72
Masoumeh Arab
food science and technology
microbiology
hydrocolloids
Functional foods
dairy science
Metrics
H-Index
i10 Index
Citation
14
15
878
* Rankings
Ranking Based On Selection: 76
Sara Jambarsang
Biostatistics
correlated data and multivariate data analysis
Machine learning
Metrics
H-Index
i10 Index
Citation
14
18
714
* Rankings
Ranking Based On Selection: 79
Milad Shafii
Performance Evaluation in Healthcare Systems
Metrics
H-Index
i10 Index
Citation
14
18
742
* Rankings
Ranking Based On Selection: 83
Hassan Rezaeipandari
Aging Health Promotion
Gerontology
Quality of Life
Social Participation
Metrics
H-Index
i10 Index
Citation
13
20
599
* Rankings
Ranking Based On Selection: 91
Elham Khalili Sadrabad
heavy metal analysis
risk assesment
food chemistry
microplastics in food
natural antioxidants
Metrics
H-Index
i10 Index
Citation
12
14
789
* Rankings
Ranking Based On Selection: 92
Habib Nikukar
Stem cell therapy
Regenerative Medicine
Tissue Engineering
Nanobiotechnology
Pediatrics
Metrics
H-Index
i10 Index
Citation
12
13
614
* Rankings
Ranking Based On Selection: 93
Tahoori Mohammad Taher
immunology
dendritic cells
autoimmunity and stem cell research
Metrics
H-Index
i10 Index
Citation
12
14
421
* Rankings
Ranking Based On Selection: 95
Seyed Masoud Mousavi
Health policy- Health Diplomacy - Health System Analysis- Health System Governance
Metrics
H-Index
i10 Index
Citation
12
13
420
* Rankings
Ranking Based On Selection: 100
Zahra Shamsizadeh
Environmental Microbiology
Environmental Health
Metrics
H-Index
i10 Index
Citation
11
12
554
Rankings
Ranking Based On Selection: 1
Amin Salehi Abargouei
Metrics
H-Index
i10 Index
Citation Counts
43
125
8,110
Nutritional epidemiology
Public health nutrition
Meta-analyses
Community-Based Interventions
Rankings
Ranking Based On Selection: 2
Hossien Fallahzadeh
Metrics
H-Index
i10 Index
Citation Counts
40
184
6,900
Rankings
Ranking Based On Selection: 3
Hassan Mozaffari Khosravi
Metrics
H-Index
i10 Index
Citation Counts
39
119
5,281
Rankings
Ranking Based On Selection: 4
Mohammad Ali Morowatisharifabad
Metrics
H-Index
i10 Index
Citation Counts
37
133
4,805
Health Education Theories and Models
Ageing and Health
Rankings
Ranking Based On Selection: 5
Seyed Mohammad Gheibihayat
Metrics
H-Index
i10 Index
Citation Counts
31
68
3,249
Rankings
Ranking Based On Selection: 7
Mohammad Hasan Sheikhha
Metrics
H-Index
i10 Index
Citation Counts
30
97
3,588
Rankings
Ranking Based On Selection: 8
Maryam Dolatabadi
Metrics
H-Index
i10 Index
Citation Counts
29
48
2,777
Water & wastewater treatment
Environmental health engineering
Rankings
Ranking Based On Selection: 9
Alireza Moradi
Metrics
H-Index
i10 Index
Citation Counts
29
56
2,489
Synthesis
Computational Chemistry
Docking
Modeling
Dynamic Simulation
Rankings
Ranking Based On Selection: 10
Seyedhossein Hekmatimoghaddam
Metrics
H-Index
i10 Index
Citation Counts
29
63
2,413
Pathology
Laboratory Sciences
Stem cell research

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Rankings
Ranking Based On Selection: 11
Seyed Saeed Mazloomy Mahmoodabad
Metrics
H-Index
i10 Index
Citation Counts
28
69
2,554
Rankings
Ranking Based On Selection: 12
Mehdi Mokhtari
Metrics
H-Index
i10 Index
Citation Counts
26
67
2,418
Rankings
Ranking Based On Selection: 13
Mohammad Javad Zare Sakhvidi
Metrics
H-Index
i10 Index
Citation Counts
26
50
2,165
Occupational Epidemiology
Environmental Epidemiology
Air Pollution
Exposure Assessment
Rankings
Ranking Based On Selection: 14
Maryam Eftekhar
Metrics
H-Index
i10 Index
Citation Counts
26
51
2,015
Rankings
Ranking Based On Selection: 15
Razieh Fallah
Metrics
H-Index
i10 Index
Citation Counts
25
52
2,005
Rankings
Ranking Based On Selection: 16
Mohammad Afkhami Ardekani
Metrics
H-Index
i10 Index
Citation Counts
25
57
2,957
Rankings
Ranking Based On Selection: 17
Farzan Madadizadeh
Metrics
H-Index
i10 Index
Citation Counts
24
46
5,768
Medical Statistics
Medical Research
Graphical Models
Scale reliability and validity
Rankings
Ranking Based On Selection: 18
Mazaheri Mahta
Metrics
H-Index
i10 Index
Citation Counts
24
39
1,377
Rankings
Ranking Based On Selection: 19
Reza Bidaki
Metrics
H-Index
i10 Index
Citation Counts
24
62
2,058
Psychiatry
Rheumatology
Dermatolgy
GI medicine
Urology
Rankings
Ranking Based On Selection: 21
Farzaneh Fesahat
Metrics
H-Index
i10 Index
Citation Counts
24
36
1,466
Reproductive Immunology
Reproductive Genetics
Male Infertility
Biotechnology
Rankings
Ranking Based On Selection: 22
Soghra Yassaei
Metrics
H-Index
i10 Index
Citation Counts
24
40
1,369
shahid sadoughi university of medical sciences
Yazd
Iran
Rankings
Ranking Based On Selection: 23
Abdolmajid Gholizadeh
Metrics
H-Index
i10 Index
Citation Counts
22
36
1,493
Environmental Sciences
Bioelectrochemical Systems
Water & Wastewater Pollution
spatial analysis
Rankings
Ranking Based On Selection: 24
Mostafa Azimzadeh
Metrics
H-Index
i10 Index
Citation Counts
22
33
2,315
Nanobiotechnology
Biosensors
Biomedical Engineering
Wearables
Bioprinting
Rankings
Ranking Based On Selection: 25
Sadeq Ali Hasan Al Saegh
Metrics
H-Index
i10 Index
Citation Counts
22
40
1,642
Rankings
Ranking Based On Selection: 26
Nasrin Ghasemi
Metrics
H-Index
i10 Index
Citation Counts
22
48
1,450
Rankings
Ranking Based On Selection: 27
Mehrdad Mostaghaci Md
Metrics
H-Index
i10 Index
Citation Counts
22
35
1,257
Occupational & Environmental Medicine
Sleep Medicine
Rankings
Ranking Based On Selection: 28
Mohammad Hossein Baradaranfar
Metrics
H-Index
i10 Index
Citation Counts
22
41
1,303
Rankings
Ranking Based On Selection: 29
Roohollah Askari
Metrics
H-Index
i10 Index
Citation Counts
21
48
1,665
Rankings
Ranking Based On Selection: 30
Abdolrahim Davari
Metrics
H-Index
i10 Index
Citation Counts
21
29
1,385
Rankings
Ranking Based On Selection: 31
Arash Dalvand
Metrics
H-Index
i10 Index
Citation Counts
20
27
1,648
Environmental Health Engineering
Water and Wastewater Treatment
Environmental Nanotechnology
Environmental Electrochemistry
Rankings
Ranking Based On Selection: 32
Akram Astani
Metrics
H-Index
i10 Index
Citation Counts
20
25
2,514
Rankings
Ranking Based On Selection: 33
Seyyed Majid Bagheri
Metrics
H-Index
i10 Index
Citation Counts
20
30
1,388
Medical physiology
Medicinal Plants
Cancer research
Rankings
Ranking Based On Selection: 36
Fatemeh Safari
Metrics
H-Index
i10 Index
Citation Counts
20
27
891
Rankings
Ranking Based On Selection: 37
Leila Sekhavat
Metrics
H-Index
i10 Index
Citation Counts
20
30
1,442
Rankings
Ranking Based On Selection: 38
Robab Davar
Metrics
H-Index
i10 Index
Citation Counts
20
27
1,020
Rankings
Ranking Based On Selection: 39
Akram Ghadiri
Metrics
H-Index
i10 Index
Citation Counts
19
26
1,308
Rankings
Ranking Based On Selection: 40
Abbas Ali Dehghani Tafti
Metrics
H-Index
i10 Index
Citation Counts
19
29
1,218
Rankings
Ranking Based On Selection: 41
Mohsen Askarishahi|askar shahi
Metrics
H-Index
i10 Index
Citation Counts
19
35
1,155
Rankings
Ranking Based On Selection: 43
Nastaran Ahmadi
Metrics
H-Index
i10 Index
Citation Counts
18
30
5,509
Public health data science
R programming
Shiny app development
Statistical analysis
STATA
Rankings
Ranking Based On Selection: 44
Hossein Hadinedoushan
Metrics
H-Index
i10 Index
Citation Counts
18
26
1,185
Rankings
Ranking Based On Selection: 45
Fariba Binesh
Metrics
H-Index
i10 Index
Citation Counts
18
41
1,052
Rankings
Ranking Based On Selection: 46
Esmailidehaj
Metrics
H-Index
i10 Index
Citation Counts
18
26
675
Rankings
Ranking Based On Selection: 47
Mehdi Tabrizizadeh
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,237
Rankings
Ranking Based On Selection: 49
Esmat Mangoli
Metrics
H-Index
i10 Index
Citation Counts
17
24
928
Rankings
Ranking Based On Selection: 50
Hengameh Zandi
Metrics
H-Index
i10 Index
Citation Counts
17
31
931
Medical Microbiology
Antimicrobial resistance
Dental Microbiology
Anaerobes
Rankings
Ranking Based On Selection: 51
Majid Emtiazy
Metrics
H-Index
i10 Index
Citation Counts
17
24
1,172
Iranian Traditional Medicine
Traditional Medicine
Persian Medicine
Rankings
Ranking Based On Selection: 52
Mehdi Fatahi Bafghi
Metrics
H-Index
i10 Index
Citation Counts
17
24
946
microbial systematics-Actinomycete family-Antibiotic resistance
Rankings
Ranking Based On Selection: 53
Mahtab Karami
Metrics
H-Index
i10 Index
Citation Counts
17
25
745
Rankings
Ranking Based On Selection: 55
Mohammad Hossein Dadgarnia
Metrics
H-Index
i10 Index
Citation Counts
17
27
693
Rankings
Ranking Based On Selection: 56
Moslem Taheri Soodejani
Metrics
H-Index
i10 Index
Citation Counts
16
30
2,782
Rankings
Ranking Based On Selection: 58
Nastaran Ahmadi
Metrics
H-Index
i10 Index
Citation Counts
16
21
983
Rankings
Ranking Based On Selection: 59
Mohammad Hossein Jarahzadeh
Metrics
H-Index
i10 Index
Citation Counts
16
20
821
Rankings
Ranking Based On Selection: 60
Mohsen Mirzaei
Metrics
H-Index
i10 Index
Citation Counts
16
28
1,306
Public Health
Community Medicine
Non-Communicable Diseases
Spatial Epidemiology
Rankings
Ranking Based On Selection: 61
Zohreh Rahaei
Metrics
H-Index
i10 Index
Citation Counts
16
29
859
Rankings
Ranking Based On Selection: 62
Kazem Barzegar
Metrics
H-Index
i10 Index
Citation Counts
16
23
920
Medical education
teaching English/French/Russian
teaching methodology
multidisciplinary and interdisciplinary fields
Rankings
Ranking Based On Selection: 63
Vida Ayatollahi
Metrics
H-Index
i10 Index
Citation Counts
16
19
650
Rankings
Ranking Based On Selection: 64
Javad Mohiti
Metrics
H-Index
i10 Index
Citation Counts
16
25
690
Rankings
Ranking Based On Selection: 66
Fatemeh Keshmiri
Metrics
H-Index
i10 Index
Citation Counts
15
26
747
Rankings
Ranking Based On Selection: 67
Reza Mansouri
Metrics
H-Index
i10 Index
Citation Counts
15
23
706
Rankings
Ranking Based On Selection: 68
Maryam Yadegari
Metrics
H-Index
i10 Index
Citation Counts
15
19
601
Rankings
Ranking Based On Selection: 70
Mohammad Reza Shoja
Metrics
H-Index
i10 Index
Citation Counts
15
20
1,536
Rankings
Ranking Based On Selection: 71
Nasim Behniafard
Metrics
H-Index
i10 Index
Citation Counts
15
20
439
Rankings
Ranking Based On Selection: 72
Masoumeh Arab
Metrics
H-Index
i10 Index
Citation Counts
14
15
878
food science and technology
microbiology
hydrocolloids
Functional foods
dairy science
Rankings
Ranking Based On Selection: 73
Morteza Samadi
Metrics
H-Index
i10 Index
Citation Counts
14
23
675
Rankings
Ranking Based On Selection: 74
Ali Fattahi Bafghi
Metrics
H-Index
i10 Index
Citation Counts
14
22
797
Rankings
Ranking Based On Selection: 75
Zahra Pourmovahed
Metrics
H-Index
i10 Index
Citation Counts
14
21
768
Rankings
Ranking Based On Selection: 76
Sara Jambarsang
Metrics
H-Index
i10 Index
Citation Counts
14
18
714
Biostatistics
correlated data and multivariate data analysis
Machine learning
Rankings
Ranking Based On Selection: 77
Ali Nikoonahad
Metrics
H-Index
i10 Index
Citation Counts
14
16
745
Rankings
Ranking Based On Selection: 78
Khadijeh Dehghani
Metrics
H-Index
i10 Index
Citation Counts
14
20
759
Rankings
Ranking Based On Selection: 79
Milad Shafii
Metrics
H-Index
i10 Index
Citation Counts
14
18
742
Performance Evaluation in Healthcare Systems
Rankings
Ranking Based On Selection: 80
Razieh Montazeralfaraj
Metrics
H-Index
i10 Index
Citation Counts
14
16
927
Rankings
Ranking Based On Selection: 82
Samad Zare
Metrics
H-Index
i10 Index
Citation Counts
14
16
721
Rankings
Ranking Based On Selection: 83
Hassan Rezaeipandari
Metrics
H-Index
i10 Index
Citation Counts
13
20
599
Aging Health Promotion
Gerontology
Quality of Life
Social Participation
Rankings
Ranking Based On Selection: 84
Marzieh Lotfi
Metrics
H-Index
i10 Index
Citation Counts
13
14
569
Rankings
Ranking Based On Selection: 87
Hasan Jafary
Metrics
H-Index
i10 Index
Citation Counts
13
19
509
Rankings
Ranking Based On Selection: 89
Atiyeh Javaheri
Metrics
H-Index
i10 Index
Citation Counts
12
15
528
Rankings
Ranking Based On Selection: 90
Mahmood Noorishadkam
Metrics
H-Index
i10 Index
Citation Counts
12
15
407
Rankings
Ranking Based On Selection: 91
Elham Khalili Sadrabad
Metrics
H-Index
i10 Index
Citation Counts
12
14
789
heavy metal analysis
risk assesment
food chemistry
microplastics in food
natural antioxidants
Rankings
Ranking Based On Selection: 92
Habib Nikukar
Metrics
H-Index
i10 Index
Citation Counts
12
13
614
Stem cell therapy
Regenerative Medicine
Tissue Engineering
Nanobiotechnology
Pediatrics
Rankings
Ranking Based On Selection: 93
Tahoori Mohammad Taher
Metrics
H-Index
i10 Index
Citation Counts
12
14
421
immunology
dendritic cells
autoimmunity and stem cell research
Rankings
Ranking Based On Selection: 94
Serajoddin Vahidi
Metrics
H-Index
i10 Index
Citation Counts
12
15
777
Rankings
Ranking Based On Selection: 95
Seyed Masoud Mousavi
Metrics
H-Index
i10 Index
Citation Counts
12
13
420
Health policy- Health Diplomacy - Health System Analysis- Health System Governance
Rankings
Ranking Based On Selection: 97
Mohamad Reza Zare-Khormizi
Metrics
H-Index
i10 Index
Citation Counts
12
12
373
Rankings
Ranking Based On Selection: 98
Mahdiyeh Moudi
Metrics
H-Index
i10 Index
Citation Counts
11
15
363
Rankings
Ranking Based On Selection: 100
Zahra Shamsizadeh
Metrics
H-Index
i10 Index
Citation Counts
11
12
554
Environmental Microbiology
Environmental Health