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
Reza Rezaee
Membrane technology for water and wastewater treatment
Metrics
H-Index
i10 Index
Citation
30
75
3,322
* Rankings
Ranking Based On Selection :2
Bijan Nouri
Time Series
Meta-Analysis
modeling in medicine
Metrics
H-Index
i10 Index
Citation
23
47
1,900
* Rankings
Ranking Based On Selection :4
Farhad Moradpour
Social determinant of Health
Cancer Epidemiology
Health inequality
Mental health epidemiology
Metrics
H-Index
i10 Index
Citation
21
33
12,058
* Rankings
Ranking Based On Selection :7
Ebrahim Darvishi
Noise Effects
Environmental Ergonomics
occupational epidemiology
Metrics
H-Index
i10 Index
Citation
19
34
1,004
* Rankings
Ranking Based On Selection :8
Shahram Sadeghi
Environmental Health
Water and Wastewater
Metrics
H-Index
i10 Index
Citation
18
21
2,876
* Rankings
Ranking Based On Selection :12
Sara Chavoshinezhad
Alzheimer's disease
Optogenetic approaches
neural repair mechanisms
Neurogenesis
Neural differentiation pathways
Metrics
H-Index
i10 Index
Citation
11
14
224
Pezhman Sharifi
Bacteriology
Virology
Gastroenterology
Medical
Lab Sciences
Metrics
H-Index
i10 Index
Citation
4
1
56
Jamal Amiri
Treatment and detection of cancer cells
New methods for the treatment of cancer tumors
Dosimetry
MCNP
MATLAB.
Metrics
H-Index
i10 Index
Citation
4
0
28
Rankings
Ranking Based On Selection: 1
Reza Rezaee
Metrics
H-Index
i10 Index
Citation Counts
30
75
3,322
Membrane technology for water and wastewater treatment
Rankings
Ranking Based On Selection: 2
Bijan Nouri
Metrics
H-Index
i10 Index
Citation Counts
23
47
1,900
Time Series
Meta-Analysis
modeling in medicine
Rankings
Ranking Based On Selection: 3
Rashid Ramazanzadeh
Metrics
H-Index
i10 Index
Citation Counts
22
50
1,580
Rankings
Ranking Based On Selection: 4
Farhad Moradpour
Metrics
H-Index
i10 Index
Citation Counts
21
33
12,058
Social determinant of Health
Cancer Epidemiology
Health inequality
Mental health epidemiology
Rankings
Ranking Based On Selection: 5
Esmail Ghahramani
Metrics
H-Index
i10 Index
Citation Counts
20
30
1,632
Rankings
Ranking Based On Selection: 6
Asadollah Mohammadi
Metrics
H-Index
i10 Index
Citation Counts
19
27
5,138
Rankings
Ranking Based On Selection: 7
Ebrahim Darvishi
Metrics
H-Index
i10 Index
Citation Counts
19
34
1,004
Noise Effects
Environmental Ergonomics
occupational epidemiology
Rankings
Ranking Based On Selection: 8
Shahram Sadeghi
Metrics
H-Index
i10 Index
Citation Counts
18
21
2,876
Environmental Health
Water and Wastewater
Rankings
Ranking Based On Selection: 9
Naseh Sigari
Metrics
H-Index
i10 Index
Citation Counts
15
19
678
Rankings
Ranking Based On Selection: 10
Asrin Babahajian
Metrics
H-Index
i10 Index
Citation Counts
14
18
632
Rankings
Ranking Based On Selection: 11
Pedram Ataee
Metrics
H-Index
i10 Index
Citation Counts
12
12
320
Rankings
Ranking Based On Selection: 12
Sara Chavoshinezhad
Metrics
H-Index
i10 Index
Citation Counts
11
14
224
Alzheimer's disease
Optogenetic approaches
neural repair mechanisms
Neurogenesis
Neural differentiation pathways
Rankings
Ranking Based On Selection: 13
Shadi Kohzadi
Metrics
H-Index
i10 Index
Citation Counts
11
11
454
Nano sciences and Ecotoxicology
Rankings
Ranking Based On Selection: 14
Soleiman Mohammadzadeh
Metrics
H-Index
i10 Index
Citation Counts
10
10
514
Rankings
Ranking Based On Selection: 15
Azra Allahveisi
Metrics
H-Index
i10 Index
Citation Counts
10
10
324
human reproductive
infertility
Rankings
Ranking Based On Selection: 16
Samira Rahimnejad
Metrics
H-Index
i10 Index
Citation Counts
8
7
142
Rankings
Ranking Based On Selection: 17
Yahya Maroufi
Metrics
H-Index
i10 Index
Citation Counts
8
6
157
leishmania
intestinalis nematoda
Rankings
Ranking Based On Selection: 18
Gholamreza Esfandiari
Metrics
H-Index
i10 Index
Citation Counts
7
7
342
Rankings
Ranking Based On Selection: 19
Samira Khajeh
Metrics
H-Index
i10 Index
Citation Counts
7
6
326
Rankings
Ranking Based On Selection: 20
Katayon Hajibagheri
Metrics
H-Index
i10 Index
Citation Counts
7
4
128
Rankings
Ranking Based On Selection: 21
Jafar Moballeghi
Metrics
H-Index
i10 Index
Citation Counts
7
6
158
Rankings
Ranking Based On Selection: 22
Payam Emami
Metrics
H-Index
i10 Index
Citation Counts
6
3
65
Emergencies and Disasters
Rankings
Ranking Based On Selection: 23
Javid Abdolmohammadi
Metrics
H-Index
i10 Index
Citation Counts
5
2
105
Rankings
Ranking Based On Selection: 24
Siros Hemmatpour
Metrics
H-Index
i10 Index
Citation Counts
4
2
109
Rankings
Ranking Based On Selection: 25
Pezhman Sharifi
Metrics
H-Index
i10 Index
Citation Counts
4
1
56
Bacteriology
Virology
Gastroenterology
Medical
Lab Sciences
Rankings
Ranking Based On Selection: 26
Behzad Gholamveisi
Metrics
H-Index
i10 Index
Citation Counts
4
1
51
Rankings
Ranking Based On Selection: 27
Mehrdad Khaledian
Metrics
H-Index
i10 Index
Citation Counts
4
2
43
Rankings
Ranking Based On Selection: 28
Jamal Amiri
Metrics
H-Index
i10 Index
Citation Counts
4
0
28
Treatment and detection of cancer cells
New methods for the treatment of cancer tumors
Dosimetry
MCNP
MATLAB.
Rankings
Ranking Based On Selection: 29
Amir Gholami
Metrics
H-Index
i10 Index
Citation Counts
3
2
95
Cancer Stem Cells
Immunity
Rankings
Ranking Based On Selection: 30
Zana Ramezani
Metrics
H-Index
i10 Index
Citation Counts
3
2
39
Rankings
Ranking Based On Selection: 31
Soma Bahmani
Metrics
H-Index
i10 Index
Citation Counts
3
1
30
Rankings
Ranking Based On Selection: 32
Seyedeh Soma Zakariaee
Metrics
H-Index
i10 Index
Citation Counts
2
1
19