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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,289 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 2
Ali Gholami
NCDs
Nutritional epidemiology
Burden of disease
Metrics
 
H-Index
i10 Index
Citation
31
60
4,536
* Rankings
Ranking Based On Selection: 5
Mohammad Eftekhari
Adsorption
Nanofiltration membrane
photocatalyst
Water and Wastewater Treatmen
Metrics
 
H-Index
i10 Index
Citation
22
45
1,488
* Rankings
Ranking Based On Selection: 6
Zahra Dehghani
Nanomaterials
Nonlinear optics
Nanophotonics
Liquid crystals
Solar cel
Metrics
 
H-Index
i10 Index
Citation
21
29
1,211
* Rankings
Ranking Based On Selection: 8
Amir M Ramezani
Drug analysis
Chromatographic methods
Separation approaches
Extraction techniques
Optical nanosensors and Electrochemical
Metrics
 
H-Index
i10 Index
Citation
18
23
855
* Rankings
Ranking Based On Selection: 10
Hassan Monhemi
(Bio)Physical Chemistry
Biomaterials
Sustainable Materials
Advance Medical Manufacturin
Metrics
 
H-Index
i10 Index
Citation
19
26
1,252
* Rankings
Ranking Based On Selection: 11
Hossein Amirabadi
Manufacturing Processes
Machining
CAD/CAM
Mechatronic
Metrics
 
H-Index
i10 Index
Citation
17
22
995
* Rankings
Ranking Based On Selection: 16
Mahdi Jalali
Process Safety Management
Ergonomic
Risk Assessment
Accident Prevention
Medical Erro
Metrics
 
H-Index
i10 Index
Citation
14
21
573
* Rankings
Ranking Based On Selection: 19
Mahdi Salehi
Ranked set sampling
Clustering
Data Visualisatio
Metrics
 
H-Index
i10 Index
Citation
13
16
487
Rankings
Ranking Based On Selection: 1
Aliakbar Mohammadi
Metrics
 
H-Index
i10 Index
Citation Counts
53
110
7,809
Rankings
Ranking Based On Selection: 2
Ali Gholami
Metrics
 
H-Index
i10 Index
Citation Counts
31
60
4,536
NCDs
Nutritional epidemiology
Burden of disease
Rankings
Ranking Based On Selection: 3
Seyed Reza Mirhafez
Metrics
 
H-Index
i10 Index
Citation Counts
29
46
2,496
Rankings
Ranking Based On Selection: 4
Seyed Morteza Shamshirgaran
Metrics
 
H-Index
i10 Index
Citation Counts
23
49
6,282
Rankings
Ranking Based On Selection: 5
Mohammad Eftekhari
Metrics
 
H-Index
i10 Index
Citation Counts
22
45
1,488
Adsorption
Nanofiltration membrane
photocatalyst
Water and Wastewater Treatmen
Rankings
Ranking Based On Selection: 6
Zahra Dehghani
Metrics
 
H-Index
i10 Index
Citation Counts
21
29
1,211
Nanomaterials
Nonlinear optics
Nanophotonics
Liquid crystals
Solar cel
Rankings
Ranking Based On Selection: 7
Abolfazl Naimabadi
Metrics
 
H-Index
i10 Index
Citation Counts
18
24
1,493
Rankings
Ranking Based On Selection: 8
Amir M Ramezani
Metrics
 
H-Index
i10 Index
Citation Counts
18
23
855
Drug analysis
Chromatographic methods
Separation approaches
Extraction techniques
Optical nanosensors and Electrochemical
Rankings
Ranking Based On Selection: 9
Vahid Kazemi Moghaddam
Metrics
 
H-Index
i10 Index
Citation Counts
18
22
939
Rankings
Ranking Based On Selection: 10
Hassan Monhemi
Metrics
 
H-Index
i10 Index
Citation Counts
19
26
1,252
(Bio)Physical Chemistry
Biomaterials
Sustainable Materials
Advance Medical Manufacturin
Rankings
Ranking Based On Selection: 11
Hossein Amirabadi
Metrics
 
H-Index
i10 Index
Citation Counts
17
22
995
Rankings
Ranking Based On Selection: 12
Reza Mohammadi
Metrics
 
H-Index
i10 Index
Citation Counts
17
21
799
Rankings
Ranking Based On Selection: 13
Reza Zabihi
Metrics
 
H-Index
i10 Index
Citation Counts
16
21
725
Rankings
Ranking Based On Selection: 14
Toktam Mohammadi Moghaddam
Metrics
 
H-Index
i10 Index
Citation Counts
15
22
918
Rankings
Ranking Based On Selection: 15
Mojgan Afkhami
Metrics
 
H-Index
i10 Index
Citation Counts
15
24
836
Rankings
Ranking Based On Selection: 16
Mahdi Jalali
Metrics
 
H-Index
i10 Index
Citation Counts
14
21
573
Process Safety Management
Ergonomic
Risk Assessment
Accident Prevention
Medical Erro
Rankings
Ranking Based On Selection: 17
Ahmad Ghasemi
Metrics
 
H-Index
i10 Index
Citation Counts
13
18
577
Rankings
Ranking Based On Selection: 18
Hossein Azizi -Toupkanloo
Metrics
 
H-Index
i10 Index
Citation Counts
13
16
695
Rankings
Ranking Based On Selection: 19
Mahdi Salehi
Metrics
 
H-Index
i10 Index
Citation Counts
13
16
487
Rankings
Ranking Based On Selection: 20
Mehdi Mehranirad|Previously Mehdi B. Mehrani
Metrics
 
H-Index
i10 Index
Citation Counts
13
16
410
Language Development
Psycholinguistics
Neurolinguistics
Rankings
Ranking Based On Selection: 21
Ali Movahedi
Metrics
 
H-Index
i10 Index
Citation Counts
12
15
388
Rankings
Ranking Based On Selection: 22
Mohammad Reza Amiryousefi
Metrics
 
H-Index
i10 Index
Citation Counts
12
12
458
Postbiotics
Encapsulation
Artificial Intelligence in Food Scienc
Rankings
Ranking Based On Selection: 23
Shayesteh Shirzadi
Metrics
 
H-Index
i10 Index
Citation Counts
11
14
412
Rankings
Ranking Based On Selection: 24
Seyedeh Samaneh Tabaee
Metrics
 
H-Index
i10 Index
Citation Counts
11
11
406
Rankings
Ranking Based On Selection: 25
Zahra Zare
Metrics
 
H-Index
i10 Index
Citation Counts
10
10
319