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: 3
Leila Jouybari
Medical Education
Qualitative Research
Ethics
Geriatrics Pediatrics Nursing
Metrics
H-Index
i10 Index
Citation
28
93
3,223
* Rankings
Ranking Based On Selection: 4
Joshani
clinical biochemistry
toxins
biochemistry of cancer
Metrics
H-Index
i10 Index
Citation
28
62
2,183

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* Rankings
Ranking Based On Selection: 18
Seyed Aidin Sajedi|Seyed Aidin Sajedi
Neurology
Multiple sclerosis
Bioelectromagnetism
Geomagnetic activity and health
Stroke recovery
Metrics
H-Index
i10 Index
Citation
16
22
1,464
* Rankings
Ranking Based On Selection: 19
Modanloo Mahnaz
Adherence to treatment
chronic disease
Education
Properties development
psychiatric nursing
Metrics
H-Index
i10 Index
Citation
16
21
924
* Rankings
Ranking Based On Selection: 24
Hassan Aryapour
Computational Biochemistry
Rational Drug Designing & Discovery
Rare Events
Metrics
H-Index
i10 Index
Citation
14
18
501
* Rankings
Ranking Based On Selection: 31
Samieh Ghana
Women's Health
Primary Care
Adolescence Health
Ethics
Education
Metrics
H-Index
i10 Index
Citation
11
12
302
* Rankings
Ranking Based On Selection: 38
Farzaneh Ganji
Neuroscience
Histochemistry
Immunhistochemistry
Tracing
Metrics
H-Index
i10 Index
Citation
9
7
222
* Rankings
Ranking Based On Selection: 53
Elham Khoori
Adolescence Health
Sexual Health
Obstetrics and Gynecology
Counseling
Metrics
H-Index
i10 Index
Citation
7
7
315
* Rankings
Ranking Based On Selection: 56
Elham Afshari
Pediatric Dentistry
Community Dentistry
Dental Materials
Emergency Medicine
Metrics
H-Index
i10 Index
Citation
6
4
118
Elham Zarei
Biochemistry- Molecular biology-Fertility and Sterility
Metrics
H-Index
i10 Index
Citation
2
0
12
Rankings
Ranking Based On Selection: 1
Shahriyar Semnani
Metrics
H-Index
i10 Index
Citation Counts
44
92
6,819
Rankings
Ranking Based On Selection: 2
Mitra Sharbatkhori
Metrics
H-Index
i10 Index
Citation Counts
29
41
2,238
Rankings
Ranking Based On Selection: 3
Leila Jouybari
Metrics
H-Index
i10 Index
Citation Counts
28
93
3,223
Medical Education
Qualitative Research
Ethics
Geriatrics Pediatrics Nursing
Rankings
Ranking Based On Selection: 4
Joshani
Metrics
H-Index
i10 Index
Citation Counts
28
62
2,183
Rankings
Ranking Based On Selection: 5
Ezzat A Ghaemi
Metrics
H-Index
i10 Index
Citation Counts
27
74
2,589
Rankings
Ranking Based On Selection: 6
Abdurrahman Charkazi
Metrics
H-Index
i10 Index
Citation Counts
26
62
2,302
Rankings
Ranking Based On Selection: 7
Alijan Tabarraei
Metrics
H-Index
i10 Index
Citation Counts
25
59
2,590
Rankings
Ranking Based On Selection: 8
Alireza Tahamtan
Metrics
H-Index
i10 Index
Citation Counts
23
33
3,381
Rankings
Ranking Based On Selection: 10
Jahanshahi Mehrdad
Metrics
H-Index
i10 Index
Citation Counts
23
42
1,730
Anatomy
Neuroscience
Neurophysiology
Histology

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Rankings
Ranking Based On Selection: 11
Abdolhalim Rajabi
Metrics
H-Index
i10 Index
Citation Counts
22
42
1,852
Rankings
Ranking Based On Selection: 12
Hamed Kalani
Metrics
H-Index
i10 Index
Citation Counts
21
32
5,480
Rankings
Ranking Based On Selection: 13
Mohammad Ali Vakili
Metrics
H-Index
i10 Index
Citation Counts
21
66
1,900
Rankings
Ranking Based On Selection: 14
Gholamreza Veghari
Metrics
H-Index
i10 Index
Citation Counts
21
40
1,205
Rankings
Ranking Based On Selection: 15
Seyed Mostafa Mir
Metrics
H-Index
i10 Index
Citation Counts
20
28
12,169
Rankings
Ranking Based On Selection: 16
Ali Jabbari
Metrics
H-Index
i10 Index
Citation Counts
20
25
1,151
Rankings
Ranking Based On Selection: 17
Mohsen Saeidi
Metrics
H-Index
i10 Index
Citation Counts
16
23
983
Rankings
Ranking Based On Selection: 18
Seyed Aidin Sajedi|Seyed Aidin Sajedi
Metrics
H-Index
i10 Index
Citation Counts
16
22
1,464
Neurology
Multiple sclerosis
Bioelectromagnetism
Geomagnetic activity and health
Stroke recovery
Rankings
Ranking Based On Selection: 19
Modanloo Mahnaz
Metrics
H-Index
i10 Index
Citation Counts
16
21
924
Adherence to treatment
chronic disease
Education
Properties development
psychiatric nursing
Rankings
Ranking Based On Selection: 20
Morteza Oladnabi
Metrics
H-Index
i10 Index
Citation Counts
16
22
1,113
Rankings
Ranking Based On Selection: 21
Kamal Mirkarimi
Metrics
H-Index
i10 Index
Citation Counts
15
21
801
Rankings
Ranking Based On Selection: 22
Farhad Niknejad
Metrics
H-Index
i10 Index
Citation Counts
15
18
857
Rankings
Ranking Based On Selection: 23
MR Honarvar
Metrics
H-Index
i10 Index
Citation Counts
14
25
807
Rankings
Ranking Based On Selection: 24
Hassan Aryapour
Metrics
H-Index
i10 Index
Citation Counts
14
18
501
Computational Biochemistry
Rational Drug Designing & Discovery
Rare Events
Rankings
Ranking Based On Selection: 25
M Hasani
Metrics
H-Index
i10 Index
Citation Counts
13
18
463
Rankings
Ranking Based On Selection: 26
Ali Akbar Abdollahi
Metrics
H-Index
i10 Index
Citation Counts
12
14
466
Rankings
Ranking Based On Selection: 27
Najmeh Shahini
Metrics
H-Index
i10 Index
Citation Counts
11
15
431
Rankings
Ranking Based On Selection: 28
Elyasi Leila
Metrics
H-Index
i10 Index
Citation Counts
11
13
340
Neurodegeneration
Herbal medicine
Drug abuse
Rankings
Ranking Based On Selection: 31
Samieh Ghana
Metrics
H-Index
i10 Index
Citation Counts
11
12
302
Women's Health
Primary Care
Adolescence Health
Ethics
Education
Rankings
Ranking Based On Selection: 32
Ailar Jamalli
Metrics
H-Index
i10 Index
Citation Counts
10
10
647
Rankings
Ranking Based On Selection: 33
Arezoo Mirfazeli
Metrics
H-Index
i10 Index
Citation Counts
10
12
379
Pediatrics and Neonatology
Congenital Malformations
Rankings
Ranking Based On Selection: 34
Elham Mobasheri
Metrics
H-Index
i10 Index
Citation Counts
10
11
523
Rankings
Ranking Based On Selection: 35
Manijeh Mianabadi
Metrics
H-Index
i10 Index
Citation Counts
10
11
351
Rankings
Ranking Based On Selection: 38
Farzaneh Ganji
Metrics
H-Index
i10 Index
Citation Counts
9
7
222
Neuroscience
Histochemistry
Immunhistochemistry
Tracing
Rankings
Ranking Based On Selection: 39
Hamid Sepehri
Metrics
H-Index
i10 Index
Citation Counts
9
9
277
Rankings
Ranking Based On Selection: 40
Einollah Mollaei
Metrics
H-Index
i10 Index
Citation Counts
9
8
260
Rankings
Ranking Based On Selection: 42
Mohammad Hadi Gharib
Metrics
H-Index
i10 Index
Citation Counts
8
8
414
Neuroradiology
Pediatric Radiology
Body Imaging
Rankings
Ranking Based On Selection: 43
Maryam Kabootari
Metrics
H-Index
i10 Index
Citation Counts
8
8
196
Rankings
Ranking Based On Selection: 45
Saeed Samadizadeh
Metrics
H-Index
i10 Index
Citation Counts
8
7
248
Virology
RSV
Innate Immunity
Extracellular Vesicles
Rankings
Ranking Based On Selection: 46
Narjes Sadat Borghei
Metrics
H-Index
i10 Index
Citation Counts
8
7
214
Rankings
Ranking Based On Selection: 47
Firoozeh Derakhshanpour
Metrics
H-Index
i10 Index
Citation Counts
8
7
263
Rankings
Ranking Based On Selection: 48
Marjan Akbari Kamrani
Metrics
H-Index
i10 Index
Citation Counts
8
7
537
Rankings
Ranking Based On Selection: 49
Mohammad Shafiee
Metrics
H-Index
i10 Index
Citation Counts
7
7
304
Stem Cells
microRNAs
lncRNAs
Gene Regulation
Cancer
Rankings
Ranking Based On Selection: 50
Zahra Yousefi
Metrics
H-Index
i10 Index
Citation Counts
7
6
158
Rankings
Ranking Based On Selection: 51
Negar Sadat Taheri
Metrics
H-Index
i10 Index
Citation Counts
7
5
282
Rankings
Ranking Based On Selection: 52
Ali Asghar Jesmi
Metrics
H-Index
i10 Index
Citation Counts
7
4
134
Rankings
Ranking Based On Selection: 53
Elham Khoori
Metrics
H-Index
i10 Index
Citation Counts
7
7
315
Adolescence Health
Sexual Health
Obstetrics and Gynecology
Counseling
Rankings
Ranking Based On Selection: 54
Borhani Dizaji Mahboobeh
Metrics
H-Index
i10 Index
Citation Counts
7
6
238
health education & promotion
family planning
elderly
Rankings
Ranking Based On Selection: 56
Elham Afshari
Metrics
H-Index
i10 Index
Citation Counts
6
4
118
Pediatric Dentistry
Community Dentistry
Dental Materials
Emergency Medicine
Rankings
Ranking Based On Selection: 58
Jamileh Ramezani
Metrics
H-Index
i10 Index
Citation Counts
6
4
143
Rankings
Ranking Based On Selection: 59
Fatemeh Mohammadzadeh
Metrics
H-Index
i10 Index
Citation Counts
6
3
354
Rankings
Ranking Based On Selection: 61
Ehsan Fattahi
Metrics
H-Index
i10 Index
Citation Counts
5
5
70
Rankings
Ranking Based On Selection: 62
Hassan Esmaeili
Metrics
H-Index
i10 Index
Citation Counts
5
4
85
Rankings
Ranking Based On Selection: 63
Ali Hasanzadeh
Metrics
H-Index
i10 Index
Citation Counts
5
4
81
Rankings
Ranking Based On Selection: 64
Najmeh Yardehnavi
Metrics
H-Index
i10 Index
Citation Counts
5
5
198
Rankings
Ranking Based On Selection: 65
Leila Barati
Metrics
H-Index
i10 Index
Citation Counts
5
4
81
Rankings
Ranking Based On Selection: 66
Emad Bahramnejad
Metrics
H-Index
i10 Index
Citation Counts
5
3
133
Rankings
Ranking Based On Selection: 67
Soqra Hesam
Metrics
H-Index
i10 Index
Citation Counts
4
4
148
Rankings
Ranking Based On Selection: 69
Narges Lashkarbolouk
Metrics
H-Index
i10 Index
Citation Counts
4
1
72
Rankings
Ranking Based On Selection: 70
Mahdi Mazandarani
Metrics
H-Index
i10 Index
Citation Counts
4
1
71
Rankings
Ranking Based On Selection: 72
Teymoor Khosravi
Metrics
H-Index
i10 Index
Citation Counts
4
0
31
Rankings
Ranking Based On Selection: 73
Pezhman Kharazm
Metrics
H-Index
i10 Index
Citation Counts
4
1
99
Vascular Surgery and peripheral vascular interventions
Rankings
Ranking Based On Selection: 76
Jabbar Parhiz
Metrics
H-Index
i10 Index
Citation Counts
3
2
43
Rankings
Ranking Based On Selection: 77
Farzad Dastaviz
Metrics
H-Index
i10 Index
Citation Counts
3
1
49
Rankings
Ranking Based On Selection: 78
Ezatolah Kazeminejad
Metrics
H-Index
i10 Index
Citation Counts
3
1
46
Rankings
Ranking Based On Selection: 79
Noushin Gordani
Metrics
H-Index
i10 Index
Citation Counts
3
1
36
Rankings
Ranking Based On Selection: 81
Nasim Movahedi
Metrics
H-Index
i10 Index
Citation Counts
2
1
38
SLE
Monogenic SLE
Autoinflammatory Disorders
Autoimmunity
Rankings
Ranking Based On Selection: 82
Alireza Fatemi
Metrics
H-Index
i10 Index
Citation Counts
2
1
31
Rankings
Ranking Based On Selection: 83
Alireza Amiri
Metrics
H-Index
i10 Index
Citation Counts
2
1
27
Rankings
Ranking Based On Selection: 84
Tayyebe Asadi
Metrics
H-Index
i10 Index
Citation Counts
2
1
25
Rankings
Ranking Based On Selection: 85
Forough Faroughi
Metrics
H-Index
i10 Index
Citation Counts
2
1
25
Rankings
Ranking Based On Selection: 86
Meysam Molazem
Metrics
H-Index
i10 Index
Citation Counts
2
1
23
Rankings
Ranking Based On Selection: 88
Elham Zarei
Metrics
H-Index
i10 Index
Citation Counts
2
0
12
Biochemistry- Molecular biology-Fertility and Sterility
Rankings
Ranking Based On Selection: 90
Sanjari Pirayvatlou Peyman
Metrics
H-Index
i10 Index
Citation Counts
2
0
8
Rankings
Ranking Based On Selection: 91
Amirreza Ahmadi Jazi
Metrics
H-Index
i10 Index
Citation Counts
2
0
7
Rankings
Ranking Based On Selection: 92
Niloufar Emrani
Metrics
H-Index
i10 Index
Citation Counts
2
1
24
Rankings
Ranking Based On Selection: 94
Babak Peivandi
Metrics
H-Index
i10 Index
Citation Counts
1
1
25
Rankings
Ranking Based On Selection: 96
Ali Ashkbari
Metrics
H-Index
i10 Index
Citation Counts
1
1
24
Rankings
Ranking Based On Selection: 97
Fatemeh Heydari
Metrics
H-Index
i10 Index
Citation Counts
1
1
16
Rankings
Ranking Based On Selection: 98
Marie Kor
Metrics
H-Index
i10 Index
Citation Counts
1
0
9
Rankings
Ranking Based On Selection: 99
Solmaz Askari
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Rankings
Ranking Based On Selection: 100
Hassan Mohajery
Metrics
H-Index
i10 Index
Citation Counts
1
0
3