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" (873,864 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
Rohollah Kalhor
health services management
health economics
health promoting hospitals
Metrics
H-Index
i10 Index
Citation
49
84
40,778
* Rankings
Ranking Based On Selection :5
Zohreh Yazdi
medical education
clinical psychology
occupational medicine
Metrics
H-Index
i10 Index
Citation
26
42
2,126
* Rankings
Ranking Based On Selection :11
Omid Khosravizadeh
Health Service Management
cancer prevention Management
Medical services Branding
Health Market
Metrics
H-Index
i10 Index
Citation
19
37
1,995
* Rankings
Ranking Based On Selection :12
Ameneh Barikani
Social Medicine
communicable and non communicable disease Epidemiology
women health
high risk behavior
Metrics
H-Index
i10 Index
Citation
19
32
1,230
* Rankings
Ranking Based On Selection :19
Samaneh Rouhi
Nosocomial infection
Antibiotic resistance
Fungal Toxin
Metrics
H-Index
i10 Index
Citation
16
26
705
* Rankings
Ranking Based On Selection :21
Rafat Mohebbifar
Health management
Strategic Planning
Education
Human Resources
Health Quality
Metrics
H-Index
i10 Index
Citation
15
25
1,006
* Rankings
Ranking Based On Selection :22
Reza Zeighami
nursing
mental health
qualitative research
educational management
psychiatric nursing
Metrics
H-Index
i10 Index
Citation
14
20
600
* Rankings
Ranking Based On Selection :27
Maryam Tofangchiha
dental and maxillofacial imaging
cone beam CT
root canal therapy
oral medicine and disease
oral radiology
Metrics
H-Index
i10 Index
Citation
12
21
626
* Rankings
Ranking Based On Selection :32
Ehsan Aali|دکتر احسان عالی
Pharmacology
Pharmacotherapy
Novel Formulation
Obesity
Endocrinology
Metrics
H-Index
i10 Index
Citation
10
10
332
Fatemeh Kazemi
Internal Medicine
Gynecology and Obstetrics
Neurology
Metrics
H-Index
i10 Index
Citation
7
6
181
Sara Rahimi
qualitative reasearch
chronic disease
Religious
spiritual and multicultural studies
Metrics
H-Index
i10 Index
Citation
6
5
167
Arina Qolizadeh
infant and child diseases
neonatal intensive care
premature newborns
Metrics
H-Index
i10 Index
Citation
4
4
80
Mehraveh Sadeghi Ivraghi
Otolaryngology
Head and Neck surgery
Ophthalmology
Reconstructive surgery
Metrics
H-Index
i10 Index
Citation
3
1
33
Maryam Ahmadzadehbeheshti
Complementary & Alternative Medicine
Pregnancy
High risk pregnancy
Manage of NVD
Sexual & Reproductive Health
Metrics
H-Index
i10 Index
Citation
1
1
21
Rankings
Ranking Based On Selection: 1
Rohollah Kalhor
Metrics
H-Index
i10 Index
Citation Counts
49
84
40,778
health services management
health economics
health promoting hospitals
Rankings
Ranking Based On Selection: 2
Mohammad Ali Soleimani
Metrics
H-Index
i10 Index
Citation Counts
35
76
3,146
Rankings
Ranking Based On Selection: 3
Hossein Rafiei
Metrics
H-Index
i10 Index
Citation Counts
30
70
2,708
Rankings
Ranking Based On Selection: 4
sima rafiei
Metrics
H-Index
i10 Index
Citation Counts
28
68
4,769
Rankings
Ranking Based On Selection: 5
Zohreh Yazdi
Metrics
H-Index
i10 Index
Citation Counts
26
42
2,126
medical education
clinical psychology
occupational medicine
Rankings
Ranking Based On Selection: 6
Isa mohammadi zeidi
Metrics
H-Index
i10 Index
Citation Counts
25
63
3,149
Rankings
Ranking Based On Selection: 7
Amir Peymani
Metrics
H-Index
i10 Index
Citation Counts
25
42
1,766
Rankings
Ranking Based On Selection: 8
Amir Javadi
Metrics
H-Index
i10 Index
Citation Counts
24
56
2,441
Rankings
Ranking Based On Selection: 9
Hossein Khadem Highian
Metrics
H-Index
i10 Index
Citation Counts
22
40
1,574
Rankings
Ranking Based On Selection: 11
Omid Khosravizadeh
Metrics
H-Index
i10 Index
Citation Counts
19
37
1,995
Health Service Management
cancer prevention Management
Medical services Branding
Health Market
Rankings
Ranking Based On Selection: 12
Ameneh Barikani
Metrics
H-Index
i10 Index
Citation Counts
19
32
1,230
Social Medicine
communicable and non communicable disease Epidemiology
women health
high risk behavior
Rankings
Ranking Based On Selection: 13
Seyyed Mehdi Mirhashemi
Metrics
H-Index
i10 Index
Citation Counts
18
26
1,153
Rankings
Ranking Based On Selection: 14
Amir Mohammad Kazemifar
Metrics
H-Index
i10 Index
Citation Counts
18
32
1,116
Rankings
Ranking Based On Selection: 15
Sina Abdollahzade
Metrics
H-Index
i10 Index
Citation Counts
18
27
1,402
Rankings
Ranking Based On Selection: 16
Seyedeh Ameneh Motalebi
Metrics
H-Index
i10 Index
Citation Counts
17
26
925
Rankings
Ranking Based On Selection: 17
Seyed Mahmoud Amin Marashi
Metrics
H-Index
i10 Index
Citation Counts
17
23
870
Rankings
Ranking Based On Selection: 18
Marzieh Beigom Khezri
Metrics
H-Index
i10 Index
Citation Counts
16
20
772
Rankings
Ranking Based On Selection: 19
Samaneh Rouhi
Metrics
H-Index
i10 Index
Citation Counts
16
26
705
Nosocomial infection
Antibiotic resistance
Fungal Toxin
Rankings
Ranking Based On Selection: 21
Rafat Mohebbifar
Metrics
H-Index
i10 Index
Citation Counts
15
25
1,006
Health management
Strategic Planning
Education
Human Resources
Health Quality
Rankings
Ranking Based On Selection: 22
Reza Zeighami
Metrics
H-Index
i10 Index
Citation Counts
14
20
600
nursing
mental health
qualitative research
educational management
psychiatric nursing
Rankings
Ranking Based On Selection: 23
Farhad Nikkhahi
Metrics
H-Index
i10 Index
Citation Counts
13
14
564
Rankings
Ranking Based On Selection: 24
Hamideh Pakniat
Metrics
H-Index
i10 Index
Citation Counts
13
16
532
Rankings
Ranking Based On Selection: 25
Abbas Allami
Metrics
H-Index
i10 Index
Citation Counts
13
15
625
Rankings
Ranking Based On Selection: 27
Maryam Tofangchiha
Metrics
H-Index
i10 Index
Citation Counts
12
21
626
dental and maxillofacial imaging
cone beam CT
root canal therapy
oral medicine and disease
oral radiology
Rankings
Ranking Based On Selection: 28
Fatemeh Sabbaghziarani
Metrics
H-Index
i10 Index
Citation Counts
12
12
600
Rankings
Ranking Based On Selection: 29
Maryam Momeni
Metrics
H-Index
i10 Index
Citation Counts
11
12
331
Rankings
Ranking Based On Selection: 30
Hossein Mozhdehipanah
Metrics
H-Index
i10 Index
Citation Counts
11
11
456
Rankings
Ranking Based On Selection: 31
Kazem Hosseinzadeh
Metrics
H-Index
i10 Index
Citation Counts
11
12
458
Rankings
Ranking Based On Selection: 32
Ehsan Aali|دکتر احسان عالی
Metrics
H-Index
i10 Index
Citation Counts
10
10
332
Pharmacology
Pharmacotherapy
Novel Formulation
Obesity
Endocrinology
Rankings
Ranking Based On Selection: 33
Mohammad Sofiabadi
Metrics
H-Index
i10 Index
Citation Counts
10
12
372
Rankings
Ranking Based On Selection: 34
Aliakbar Hajiaghamohammadi
Metrics
H-Index
i10 Index
Citation Counts
9
9
534
Rankings
Ranking Based On Selection: 35
Psychotherapy
Mental health
personality assessment
Neuropsychology
Rankings
Ranking Based On Selection: 37
Mahsa Esfehani
Metrics
H-Index
i10 Index
Citation Counts
8
8
327
Rankings
Ranking Based On Selection: 38
Farideh Movahed
Metrics
H-Index
i10 Index
Citation Counts
8
8
323
Rankings
Ranking Based On Selection: 39
Amir Farzam
Metrics
H-Index
i10 Index
Citation Counts
8
7
208
Rankings
Ranking Based On Selection: 40
M Taherpour
Metrics
H-Index
i10 Index
Citation Counts
8
7
142
Rankings
Ranking Based On Selection: 41
Hamid Kayalha
Metrics
H-Index
i10 Index
Citation Counts
8
5
212
Rankings
Ranking Based On Selection: 42
Mohammad Ali hosseini
Metrics
H-Index
i10 Index
Citation Counts
7
7
1,752
Rankings
Ranking Based On Selection: 43
Javaneh Atighi
Metrics
H-Index
i10 Index
Citation Counts
7
6
211
Rankings
Ranking Based On Selection: 44
Fatemeh Kazemi
Metrics
H-Index
i10 Index
Citation Counts
7
6
181
Internal Medicine
Gynecology and Obstetrics
Neurology
Rankings
Ranking Based On Selection: 46
Hamidreza Javadi
Metrics
H-Index
i10 Index
Citation Counts
7
7
297
Rankings
Ranking Based On Selection: 47
Somayeh Fallah
Metrics
H-Index
i10 Index
Citation Counts
7
5
121
Rankings
Ranking Based On Selection: 48
Sara Rahimi
Metrics
H-Index
i10 Index
Citation Counts
6
5
167
qualitative reasearch
chronic disease
Religious
spiritual and multicultural studies
Rankings
Ranking Based On Selection: 49
Faezeh Azmoudeh
Metrics
H-Index
i10 Index
Citation Counts
6
4
120
Rankings
Ranking Based On Selection: 50
Razieh Jabbarian
Metrics
H-Index
i10 Index
Citation Counts
5
5
166
Rankings
Ranking Based On Selection: 52
Afsaneh Yakhforoshha
Metrics
H-Index
i10 Index
Citation Counts
5
3
95
Rankings
Ranking Based On Selection: 53
Maryam Mafi
Metrics
H-Index
i10 Index
Citation Counts
5
3
76
Rankings
Ranking Based On Selection: 56
Arina Qolizadeh
Metrics
H-Index
i10 Index
Citation Counts
4
4
80
infant and child diseases
neonatal intensive care
premature newborns
Rankings
Ranking Based On Selection: 58
Fatemeh Heydari
Metrics
H-Index
i10 Index
Citation Counts
4
3
55
Rankings
Ranking Based On Selection: 60
Bijan Samavat
Metrics
H-Index
i10 Index
Citation Counts
3
3
83
Rankings
Ranking Based On Selection: 61
Rita Bagherian
Metrics
H-Index
i10 Index
Citation Counts
3
2
87
Rankings
Ranking Based On Selection: 62
Ali Sarbazi GolezariMd
Metrics
H-Index
i10 Index
Citation Counts
3
2
68
Rankings
Ranking Based On Selection: 63
Mohammad Bokharaei
Metrics
H-Index
i10 Index
Citation Counts
3
2
57
Nursing care
Operating Room
ICU
Critical Care
Pressure Ulcer
Rankings
Ranking Based On Selection: 65
Mojtaba Niazade
Metrics
H-Index
i10 Index
Citation Counts
3
2
44
Rankings
Ranking Based On Selection: 67
Mohammad Mahdi Daei
Metrics
H-Index
i10 Index
Citation Counts
3
1
46
Rankings
Ranking Based On Selection: 68
Nahid Nasseh
Metrics
H-Index
i10 Index
Citation Counts
3
1
42
Rankings
Ranking Based On Selection: 69
Mehraveh Sadeghi Ivraghi
Metrics
H-Index
i10 Index
Citation Counts
3
1
33
Otolaryngology
Head and Neck surgery
Ophthalmology
Reconstructive surgery
Rankings
Ranking Based On Selection: 70
Sanaz Motefakker
Metrics
H-Index
i10 Index
Citation Counts
3
1
21
Rankings
Ranking Based On Selection: 71
Nina Alavi
Metrics
H-Index
i10 Index
Citation Counts
3
0
15
Rankings
Ranking Based On Selection: 72
Faezeh Zahedian
Metrics
H-Index
i10 Index
Citation Counts
3
1
54
Rankings
Ranking Based On Selection: 73
Hossein Farshadmoghadam
Metrics
H-Index
i10 Index
Citation Counts
3
0
29
Rankings
Ranking Based On Selection: 74
Mina Zeynali
Metrics
H-Index
i10 Index
Citation Counts
2
2
135
Rankings
Ranking Based On Selection: 75
Zahra Arjeini
Metrics
H-Index
i10 Index
Citation Counts
2
2
46
Rankings
Ranking Based On Selection: 76
Ali Alborzi Jahromi
Metrics
H-Index
i10 Index
Citation Counts
2
2
40
Rankings
Ranking Based On Selection: 77
Fateme Rezagholi
Metrics
H-Index
i10 Index
Citation Counts
2
2
33
Rankings
Ranking Based On Selection: 78
Maryam Shokri Mozhdehi
Metrics
H-Index
i10 Index
Citation Counts
2
2
23
Rankings
Ranking Based On Selection: 79
Faegheh Aghaei Soltani
Metrics
H-Index
i10 Index
Citation Counts
2
1
62
Rankings
Ranking Based On Selection: 80
Zeynab Shalli
Metrics
H-Index
i10 Index
Citation Counts
2
1
46
Rankings
Ranking Based On Selection: 81
Azadehzeinab Titidej
Metrics
H-Index
i10 Index
Citation Counts
2
1
41
Rankings
Ranking Based On Selection: 82
Negar Soltanian
Metrics
H-Index
i10 Index
Citation Counts
2
1
37
Rankings
Ranking Based On Selection: 83
Muhammad Reza Asgari Ghonche
Metrics
H-Index
i10 Index
Citation Counts
2
1
28
maxillofacial surgery
psychology
periodontology
Rankings
Ranking Based On Selection: 85
Erfan Torabi
Metrics
H-Index
i10 Index
Citation Counts
2
0
8
Rankings
Ranking Based On Selection: 86
Arash Ghaffari
Metrics
H-Index
i10 Index
Citation Counts
2
0
6
Rankings
Ranking Based On Selection: 87
Mahyar Seddighi
Metrics
H-Index
i10 Index
Citation Counts
1
1
44
medicine. anesthesialogy. critical care. health. pharmacology
Rankings
Ranking Based On Selection: 89
Maryam Ahmadzadehbeheshti
Metrics
H-Index
i10 Index
Citation Counts
1
1
21
Complementary & Alternative Medicine
Pregnancy
High risk pregnancy
Manage of NVD
Sexual & Reproductive Health
Rankings
Ranking Based On Selection: 91
Armin Salavatian
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
Rankings
Ranking Based On Selection: 92
Fahime Sadat Hashemiyan
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Rankings
Ranking Based On Selection: 93
Hajar Esmaeilzadeh
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Rankings
Ranking Based On Selection: 96
Seyed Amir Hadi Hosseini
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 98
Mohammad Samadi Shadvar
Metrics
H-Index
i10 Index
Citation Counts
1
0
1