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" (873,898 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
Mohammad Abdollahi
Mechanistic Toxicology
Medical Pharmacology
General Toxicology
General Pharmacology
Diseases
Metrics
H-Index
i10 Index
Citation
131
859
78,221
* Rankings
Ranking Based On Selection: 2
Rassoul Dinarvand
Drug delivery
Drug targeting
Nanomedicine
Nanotechnology
Nanoparticles
Metrics
H-Index
i10 Index
Citation
74
374
21,739
* Rankings
Ranking Based On Selection: 3
Fatemeh Atyabi
Nanomedicine
Pharmaceutical Nanotechnology
Tissue engineering
Drug Delivery
Metrics
H-Index
i10 Index
Citation
73
283
18,126
* Rankings
Ranking Based On Selection: 5
Shekoufeh Nikfar
Pharmacoeconomics
Pharmacoepidemiology
Pharmaceutical policy
Evidence Based Medicine
Meta-Analysis
Metrics
H-Index
i10 Index
Citation
59
165
14,386
* Rankings
Ranking Based On Selection: 7
Ahmad Reza Shahverdi
Nanobiotechnology
Natural Products
Infection and Cancer
Synergistic action
Metrics
H-Index
i10 Index
Citation
54
126
11,422
* Rankings
Ranking Based On Selection: 8
Farid Dorkoosh
Peptide and protein delivery
Gene Delivery
Nanotechnology
Novel Drug Delivery Systems
Metrics
H-Index
i10 Index
Citation
50
143
7,886
* Rankings
Ranking Based On Selection: 9
Hossein Khalili
Infectious Diseases Pharmacotherapy
Critical Care Pharmacotherapy
Metrics
H-Index
i10 Index
Citation
47
181
9,760

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* Rankings
Ranking Based On Selection: 11
Mahnaz Khanavi
Herbal Medicine
Traditional Medicine
Bioassay of herbal components
Metrics
H-Index
i10 Index
Citation
46
150
6,497
* Rankings
Ranking Based On Selection: 12
Soodabeh Saeidnia
Chemistry and Pharmacology of Natural Products
Molecular biology
Immunopharmacology
Cancer Research
Metrics
H-Index
i10 Index
Citation
44
119
7,272
* Rankings
Ranking Based On Selection: 16
Shokoufeh Hassani
Toxicology
Pharmaceutical Sciences
Biosensors
Medical Biotechnology
Nanomedicine
Metrics
H-Index
i10 Index
Citation
37
66
3,631
* Rankings
Ranking Based On Selection: 19
A Rouholamini Najafabadi
Biopharmaceutics
Mab Production
Pharmaceutics
Drug Delivery
Particle Engineering
Metrics
H-Index
i10 Index
Citation
36
68
3,503
* Rankings
Ranking Based On Selection: 23
Ismaeil Haririan
Biomaterials
Drug Delivery
Pharmaceutics
Tissue engineering
cancer gene therapy
Metrics
H-Index
i10 Index
Citation
34
62
3,409
* Rankings
Ranking Based On Selection: 25
Azadeh Manayi
Natural products
Plant tissue culture
Pharmaceutical Sciences
Pharmacology
Metrics
H-Index
i10 Index
Citation
33
57
4,161
* Rankings
Ranking Based On Selection: 28
Roodabeh Bahramsoltani
Herbal medicines and medicinal plants
Phytotherapy
Complementary and alternative medicine.
Metrics
H-Index
i10 Index
Citation
31
47
4,180
* Rankings
Ranking Based On Selection: 31
Majid Motaghinejad
Neuropharmacology
Neuropsychopharmacology
Addiction Medicine
Clinical Pharmacology
Cell Signaling
Metrics
H-Index
i10 Index
Citation
30
57
3,453
* Rankings
Ranking Based On Selection: 43
Mohammad Amin Rezvanfar
Toxico-Epigenetics
Developmental and Reproductive Toxicity
Stem Cells
Cell-Based Therapies
Metrics
H-Index
i10 Index
Citation
21
27
1,616
* Rankings
Ranking Based On Selection: 46
Zhila İzadi
Biomaterial Engineering
Tissue Engineering
Cell encapsulation
Immunomodulation
Regenerative
Metrics
H-Index
i10 Index
Citation
19
27
1,050
* Rankings
Ranking Based On Selection: 47
Mehdi Varmaghani
pharmacoeconomics
pharmaceutical policy
health policy
health economics
systematic review and
Metrics
H-Index
i10 Index
Citation
19
33
1,694
* Rankings
Ranking Based On Selection: 48
Hossein Rezaeizadeh
Traditional Persian Medicine
Iranian Medicine
Integrative Oncology
Integrative Neurology
Multiple sclerosis
Metrics
H-Index
i10 Index
Citation
19
32
1,429
* Rankings
Ranking Based On Selection: 50
Mahdi Vazirian
Natural Medicine
Nutraceuticals
Standardization
Medicinal Mushrooms
Phytotherapy
Metrics
H-Index
i10 Index
Citation
18
31
1,334
* Rankings
Ranking Based On Selection: 51
Ehsan Nassireslami
Pharmacology & Neuropharmacology
Molecular & behavioral Neuroscience
Pharmaceutics
Nanopharmacology
Pharmacutical Polymers
Metrics
H-Index
i10 Index
Citation
18
23
672
* Rankings
Ranking Based On Selection: 54
Elahe Khorasani|Elaheh Khorasani
Patient-reported outcomes
Health Outcomes
Economic Evaluation
Systematic review
Metrics
H-Index
i10 Index
Citation
17
26
936
* Rankings
Ranking Based On Selection: 58
Ali Mohammad Ranjbar
traditional pharmacy
traditional medicine
herbal medicine
herbal medicine formulation
Metrics
H-Index
i10 Index
Citation
15
20
872
* Rankings
Ranking Based On Selection: 61
Mohammad Akrami
Nano/Micro based drug delivery systPharmaceutical Biomaterials
3D pharming
Nanoghost Fabrication
Metrics
H-Index
i10 Index
Citation
14
18
870
* Rankings
Ranking Based On Selection: 64
Amir Farshchi
Pharmacoeconomics
Health Policy
Pharmaceutical Management
Diabetes cost
Metrics
H-Index
i10 Index
Citation
14
20
731
* Rankings
Ranking Based On Selection: 67
Armin Salek-Maghsoudi
Analytical Toxicology
Environmental Toxicology
Bio-sensing
Diabetes
Cell death Biochemistry
Metrics
H-Index
i10 Index
Citation
13
14
891
* Rankings
Ranking Based On Selection: 68
Sima Sadrai
Pharmacokinetics
Pharmacometrics
Complementary medicine
Homeopathy
Metrics
H-Index
i10 Index
Citation
13
14
609
* Rankings
Ranking Based On Selection: 72
Armin Shirzadian
Neuroscience
Neuropharmacology
Early-life Stress
Epilepsy
Mood Disorders
Metrics
H-Index
i10 Index
Citation
12
13
428
Ali Naeemy
Pharmacy
electrosynthesis
conductive polymer
nanocomposite
fuel cell
Metrics
H-Index
i10 Index
Citation
11
11
412
Rastegarpanah Mansoor
Medicine
Medication Reconciliation
Clinical trials
Gastroenterology
Internal Medicine
Metrics
H-Index
i10 Index
Citation
10
10
556
Melika Kiani
Nanomedicine
Novel drug delivery systems
Drug targeting
RNA interference
Metrics
H-Index
i10 Index
Citation
9
9
454
R Mirjani
Nanobiotechnology
Biotechnology
Pharmacy
Phytochemistry
Bioinformatics
Metrics
H-Index
i10 Index
Citation
9
9
450
Atefeh Naeimifar
Pharmaceutical sciences
Transdermal Drug Delivery
Cosmetics and Toiletries
Nanoparticle
Metrics
H-Index
i10 Index
Citation
6
5
114
Niusha Esmaealzadeh
Traditional medicine
persian medicine
medicinal history
alternative medicine
integrative
Metrics
H-Index
i10 Index
Citation
5
5
153
Rankings
Ranking Based On Selection: 1
Mohammad Abdollahi
Metrics
H-Index
i10 Index
Citation Counts
131
859
78,221
Mechanistic Toxicology
Medical Pharmacology
General Toxicology
General Pharmacology
Diseases
Rankings
Ranking Based On Selection: 2
Rassoul Dinarvand
Metrics
H-Index
i10 Index
Citation Counts
74
374
21,739
Drug delivery
Drug targeting
Nanomedicine
Nanotechnology
Nanoparticles
Rankings
Ranking Based On Selection: 3
Fatemeh Atyabi
Metrics
H-Index
i10 Index
Citation Counts
73
283
18,126
Nanomedicine
Pharmaceutical Nanotechnology
Tissue engineering
Drug Delivery
Rankings
Ranking Based On Selection: 4
Alireza Foroumadi
Metrics
H-Index
i10 Index
Citation Counts
70
367
17,672
Rankings
Ranking Based On Selection: 5
Shekoufeh Nikfar
Metrics
H-Index
i10 Index
Citation Counts
59
165
14,386
Pharmacoeconomics
Pharmacoepidemiology
Pharmaceutical policy
Evidence Based Medicine
Meta-Analysis
Rankings
Ranking Based On Selection: 6
Gholamreza Amin
Metrics
H-Index
i10 Index
Citation Counts
54
206
10,223
Rankings
Ranking Based On Selection: 7
Ahmad Reza Shahverdi
Metrics
H-Index
i10 Index
Citation Counts
54
126
11,422
Nanobiotechnology
Natural Products
Infection and Cancer
Synergistic action
Rankings
Ranking Based On Selection: 8
Farid Dorkoosh
Metrics
H-Index
i10 Index
Citation Counts
50
143
7,886
Peptide and protein delivery
Gene Delivery
Nanotechnology
Novel Drug Delivery Systems
Rankings
Ranking Based On Selection: 9
Hossein Khalili
Metrics
H-Index
i10 Index
Citation Counts
47
181
9,760
Infectious Diseases Pharmacotherapy
Critical Care Pharmacotherapy
Rankings
Ranking Based On Selection: 10
Massoud Amanlou
Metrics
H-Index
i10 Index
Citation Counts
47
189
7,657

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Mahnaz Khanavi
Metrics
H-Index
i10 Index
Citation Counts
46
150
6,497
Herbal Medicine
Traditional Medicine
Bioassay of herbal components
Rankings
Ranking Based On Selection: 12
Soodabeh Saeidnia
Metrics
H-Index
i10 Index
Citation Counts
44
119
7,272
Chemistry and Pharmacology of Natural Products
Molecular biology
Immunopharmacology
Cancer Research
Rankings
Ranking Based On Selection: 14
Ali Mohammadi
Metrics
H-Index
i10 Index
Citation Counts
40
165
6,929
Rankings
Ranking Based On Selection: 15
Ahmad Reza Gohari
Metrics
H-Index
i10 Index
Citation Counts
40
93
5,405
Rankings
Ranking Based On Selection: 16
Shokoufeh Hassani
Metrics
H-Index
i10 Index
Citation Counts
37
66
3,631
Toxicology
Pharmaceutical Sciences
Biosensors
Medical Biotechnology
Nanomedicine
Rankings
Ranking Based On Selection: 18
Rouini Mr
Metrics
H-Index
i10 Index
Citation Counts
37
97
4,091
Rankings
Ranking Based On Selection: 19
A Rouholamini Najafabadi
Metrics
H-Index
i10 Index
Citation Counts
36
68
3,503
Biopharmaceutics
Mab Production
Pharmaceutics
Drug Delivery
Particle Engineering
Rankings
Ranking Based On Selection: 20
Alireza Vatanara
Metrics
H-Index
i10 Index
Citation Counts
35
79
3,522
Rankings
Ranking Based On Selection: 21
Hossein Derakhshankhah
Metrics
H-Index
i10 Index
Citation Counts
34
72
4,225
Rankings
Ranking Based On Selection: 22
Tahmineh Akbarzadeh
Metrics
H-Index
i10 Index
Citation Counts
34
91
3,803
Rankings
Ranking Based On Selection: 23
Ismaeil Haririan
Metrics
H-Index
i10 Index
Citation Counts
34
62
3,409
Biomaterials
Drug Delivery
Pharmaceutics
Tissue engineering
cancer gene therapy
Rankings
Ranking Based On Selection: 24
Narguess Yassa
Metrics
H-Index
i10 Index
Citation Counts
34
78
3,673
Rankings
Ranking Based On Selection: 25
Azadeh Manayi
Metrics
H-Index
i10 Index
Citation Counts
33
57
4,161
Natural products
Plant tissue culture
Pharmaceutical Sciences
Pharmacology
Rankings
Ranking Based On Selection: 26
Mohammadreza Javadi
Metrics
H-Index
i10 Index
Citation Counts
33
78
3,389
Rankings
Ranking Based On Selection: 27
Fatemeh Mottaghitalab
Metrics
H-Index
i10 Index
Citation Counts
32
50
4,285
Rankings
Ranking Based On Selection: 28
Roodabeh Bahramsoltani
Metrics
H-Index
i10 Index
Citation Counts
31
47
4,180
Herbal medicines and medicinal plants
Phytotherapy
Complementary and alternative medicine.
Rankings
Ranking Based On Selection: 30
Azita H Talasaz
Metrics
H-Index
i10 Index
Citation Counts
31
69
3,301
Rankings
Ranking Based On Selection: 31
Majid Motaghinejad
Metrics
H-Index
i10 Index
Citation Counts
30
57
3,453
Neuropharmacology
Neuropsychopharmacology
Addiction Medicine
Clinical Pharmacology
Cell Signaling
Rankings
Ranking Based On Selection: 33
Abdolhossein Miri
Metrics
H-Index
i10 Index
Citation Counts
28
44
2,044
Rankings
Ranking Based On Selection: 34
Loghman Firoozpour
Metrics
H-Index
i10 Index
Citation Counts
27
63
2,191
Rankings
Ranking Based On Selection: 35
M Pirali Hamedani
Metrics
H-Index
i10 Index
Citation Counts
27
68
2,760
Rankings
Ranking Based On Selection: 37
Tayebeh Toliyat
Metrics
H-Index
i10 Index
Citation Counts
26
53
2,325
Rankings
Ranking Based On Selection: 38
Pooneh Salari
Metrics
H-Index
i10 Index
Citation Counts
25
40
4,370
Rankings
Ranking Based On Selection: 40
Farshid Saadat
Metrics
H-Index
i10 Index
Citation Counts
24
46
1,868
Rankings
Ranking Based On Selection: 41
Farahnaz Khalighi Sigaroodi
Metrics
H-Index
i10 Index
Citation Counts
22
49
2,591
Rankings
Ranking Based On Selection: 42
Majid Davari
Metrics
H-Index
i10 Index
Citation Counts
22
40
1,693
Rankings
Ranking Based On Selection: 43
Mohammad Amin Rezvanfar
Metrics
H-Index
i10 Index
Citation Counts
21
27
1,616
Toxico-Epigenetics
Developmental and Reproductive Toxicity
Stem Cells
Cell-Based Therapies
Rankings
Ranking Based On Selection: 45
Mehdi Asadi
Metrics
H-Index
i10 Index
Citation Counts
20
30
886
Rankings
Ranking Based On Selection: 46
Zhila İzadi
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,050
Biomaterial Engineering
Tissue Engineering
Cell encapsulation
Immunomodulation
Regenerative
Rankings
Ranking Based On Selection: 47
Mehdi Varmaghani
Metrics
H-Index
i10 Index
Citation Counts
19
33
1,694
pharmacoeconomics
pharmaceutical policy
health policy
health economics
systematic review and
Rankings
Ranking Based On Selection: 48
Hossein Rezaeizadeh
Metrics
H-Index
i10 Index
Citation Counts
19
32
1,429
Traditional Persian Medicine
Iranian Medicine
Integrative Oncology
Integrative Neurology
Multiple sclerosis
Rankings
Ranking Based On Selection: 49
Latifeh Navidpour
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,214
Rankings
Ranking Based On Selection: 50
Mahdi Vazirian
Metrics
H-Index
i10 Index
Citation Counts
18
31
1,334
Natural Medicine
Nutraceuticals
Standardization
Medicinal Mushrooms
Phytotherapy
Rankings
Ranking Based On Selection: 51
Ehsan Nassireslami
Metrics
H-Index
i10 Index
Citation Counts
18
23
672
Pharmacology & Neuropharmacology
Molecular & behavioral Neuroscience
Pharmaceutics
Nanopharmacology
Pharmacutical Polymers
Rankings
Ranking Based On Selection: 52
Araz Sabzevari
Metrics
H-Index
i10 Index
Citation Counts
17
19
1,380
Rankings
Ranking Based On Selection: 53
Mohammad-Reza Delnavazi
Metrics
H-Index
i10 Index
Citation Counts
17
21
665
Rankings
Ranking Based On Selection: 54
Elahe Khorasani|Elaheh Khorasani
Metrics
H-Index
i10 Index
Citation Counts
17
26
936
Patient-reported outcomes
Health Outcomes
Economic Evaluation
Systematic review
Rankings
Ranking Based On Selection: 55
Reyhaneh Sabourian
Metrics
H-Index
i10 Index
Citation Counts
16
21
905
Rankings
Ranking Based On Selection: 57
Zahra Tofighi
Metrics
H-Index
i10 Index
Citation Counts
15
20
693
Rankings
Ranking Based On Selection: 58
Ali Mohammad Ranjbar
Metrics
H-Index
i10 Index
Citation Counts
15
20
872
traditional pharmacy
traditional medicine
herbal medicine
herbal medicine formulation
Rankings
Ranking Based On Selection: 59
Neda Setayesh
Metrics
H-Index
i10 Index
Citation Counts
15
16
785
Rankings
Ranking Based On Selection: 60
Morteza Azhdarzadeh
Metrics
H-Index
i10 Index
Citation Counts
15
15
1,065
Rankings
Ranking Based On Selection: 61
Mohammad Akrami
Metrics
H-Index
i10 Index
Citation Counts
14
18
870
Nano/Micro based drug delivery systPharmaceutical Biomaterials
3D pharming
Nanoghost Fabrication
Rankings
Ranking Based On Selection: 62
Leili Jalili Baleh
Metrics
H-Index
i10 Index
Citation Counts
14
16
788
Rankings
Ranking Based On Selection: 63
Seyede Nargess Sadati Lamardi
Metrics
H-Index
i10 Index
Citation Counts
14
19
788
Rankings
Ranking Based On Selection: 64
Amir Farshchi
Metrics
H-Index
i10 Index
Citation Counts
14
20
731
Pharmacoeconomics
Health Policy
Pharmaceutical Management
Diabetes cost
Rankings
Ranking Based On Selection: 65
Fakhrossadat Emami
Metrics
H-Index
i10 Index
Citation Counts
13
15
899
Rankings
Ranking Based On Selection: 66
Farzaneh Nabati
Metrics
H-Index
i10 Index
Citation Counts
13
15
745
Rankings
Ranking Based On Selection: 67
Armin Salek-Maghsoudi
Metrics
H-Index
i10 Index
Citation Counts
13
14
891
Analytical Toxicology
Environmental Toxicology
Bio-sensing
Diabetes
Cell death Biochemistry
Rankings
Ranking Based On Selection: 68
Sima Sadrai
Metrics
H-Index
i10 Index
Citation Counts
13
14
609
Pharmacokinetics
Pharmacometrics
Complementary medicine
Homeopathy
Rankings
Ranking Based On Selection: 70
Adileh Ayati
Metrics
H-Index
i10 Index
Citation Counts
12
12
1,379
Rankings
Ranking Based On Selection: 71
Saied Goodarzi
Metrics
H-Index
i10 Index
Citation Counts
12
13
465
Rankings
Ranking Based On Selection: 72
Armin Shirzadian
Metrics
H-Index
i10 Index
Citation Counts
12
13
428
Neuroscience
Neuropharmacology
Early-life Stress
Epilepsy
Mood Disorders
Rankings
Ranking Based On Selection: 73
Alireza Ghaffari|Allen Ghaffari
Metrics
H-Index
i10 Index
Citation Counts
12
12
750
Nutraceuticals
Pharmaceutical Formulations
Drug Delivery Systems
Rankings
Ranking Based On Selection: 76
Akbar Abdollahi Asl
Metrics
H-Index
i10 Index
Citation Counts
11
14
578
Rankings
Ranking Based On Selection: 79
Ali Naeemy
Metrics
H-Index
i10 Index
Citation Counts
11
11
412
Pharmacy
electrosynthesis
conductive polymer
nanocomposite
fuel cell
Rankings
Ranking Based On Selection: 80
Seyed Hossein Hosseini
Metrics
H-Index
i10 Index
Citation Counts
10
10
1,209
Cardiovascular Pharmacotherapy
Pharmacotherapy
Clinical Pharmacy
Rankings
Ranking Based On Selection: 81
Mahbubeh Bozorgi
Metrics
H-Index
i10 Index
Citation Counts
10
10
872
Rankings
Ranking Based On Selection: 82
Mohammad Taraz
Metrics
H-Index
i10 Index
Citation Counts
10
10
777
Rankings
Ranking Based On Selection: 83
Rastegarpanah Mansoor
Metrics
H-Index
i10 Index
Citation Counts
10
10
556
Medicine
Medication Reconciliation
Clinical trials
Gastroenterology
Internal Medicine
Rankings
Ranking Based On Selection: 85
Melika Kiani
Metrics
H-Index
i10 Index
Citation Counts
9
9
454
Nanomedicine
Novel drug delivery systems
Drug targeting
RNA interference
Rankings
Ranking Based On Selection: 86
R Mirjani
Metrics
H-Index
i10 Index
Citation Counts
9
9
450
Nanobiotechnology
Biotechnology
Pharmacy
Phytochemistry
Bioinformatics
Rankings
Ranking Based On Selection: 87
Shermineh Moeini Nodeh
Metrics
H-Index
i10 Index
Citation Counts
9
8
737
Rankings
Ranking Based On Selection: 88
Bardia Jamali
Metrics
H-Index
i10 Index
Citation Counts
9
7
363
Rankings
Ranking Based On Selection: 89
Marzieh Daniali
Metrics
H-Index
i10 Index
Citation Counts
8
8
631
Rankings
Ranking Based On Selection: 92
Mehdi Doosti-Telgerd
Metrics
H-Index
i10 Index
Citation Counts
7
7
273
Tissue Engineering
Advanced Drug Delivery Systems
Microfluidic
Rankings
Ranking Based On Selection: 94
Seyyed Majid Eslami
Metrics
H-Index
i10 Index
Citation Counts
7
5
190
Rankings
Ranking Based On Selection: 95
Masumeh Mobli
Metrics
H-Index
i10 Index
Citation Counts
7
5
632
Rankings
Ranking Based On Selection: 96
Atefeh Naeimifar
Metrics
H-Index
i10 Index
Citation Counts
6
5
114
Pharmaceutical sciences
Transdermal Drug Delivery
Cosmetics and Toiletries
Nanoparticle
Rankings
Ranking Based On Selection: 98
Saremi Shahrooz
Metrics
H-Index
i10 Index
Citation Counts
6
6
406
Rankings
Ranking Based On Selection: 99
Niusha Esmaealzadeh
Metrics
H-Index
i10 Index
Citation Counts
5
5
153
Traditional medicine
persian medicine
medicinal history
alternative medicine
integrative
Rankings
Ranking Based On Selection: 100
Ehsan Khabazian
Metrics
H-Index
i10 Index
Citation Counts
5
4
247