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” (1,121,279 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: 1
Taher Niknam
Artificial Intelligence
power system
optimization
Power System Operation and Planning - Electricity Markets - Renewable Ener
Metrics
 
H-Index
i10 Index
Citation
88
298
24,495
* Rankings
Ranking Based On Selection: 2
Younes Ghasemi
Recombinant Proteins
In Silico Biotechnology
Nanobiotechnology
Bioprocess and Fermentatio
Metrics
 
H-Index
i10 Index
Citation
70
294
19,049
* Rankings
Ranking Based On Selection: 4
Kamran B Lankarani
Health policy
gastroenterology
hepatology
public healt
Metrics
 
H-Index
i10 Index
Citation
67
339
18,906
* Rankings
Ranking Based On Selection: 5
Mohammad Reza Rahimpour|Mohammad Reza Rahimpor, M. R. Rahimpour, Mohammad R. Rahimpour
Energy Technologies
Hydrogen Energy
Process Engineering
Decarbonization
Polymerizatio
Metrics
 
H-Index
i10 Index
Citation
67
430
21,243
* Rankings
Ranking Based On Selection: 7
Ali Mirzaei
Gas Sensors
Materials Science
Engineering Ceramics
Synthesi
Metrics
 
H-Index
i10 Index
Citation
63
176
12,793
* Rankings
Ranking Based On Selection: 8
Farid Moore
Ecotoxicology
Economic Geology
Environmental Geology
Medical Geolog
Metrics
 
H-Index
i10 Index
Citation
63
176
14,254
* Rankings
Ranking Based On Selection: 10
Ahmad Oryan
Veterinary Pathology
Tissue engineering and Regenerative Medicine
Comparative Pathology
Orthopaedic Pathology
Electron Micr
Metrics
 
H-Index
i10 Index
Citation
62
250
15,785
* Rankings
Ranking Based On Selection: 11
Ali Reza Sepaskhah
Irrigatio
Metrics
 
H-Index
i10 Index
Citation
60
220
11,446
* Rankings
Ranking Based On Selection: 12
Alireza Keshavarz
Fluid Flow in Porous Media
Well Stimulation
CO2-sequestration
Hydrogen storage
Enhanced Oil/Ga
Metrics
 
H-Index
i10 Index
Citation
58
161
9,627
* Rankings
Ranking Based On Selection: 14
Ahmad Sheykhi
High Energy Physics
Cosmology
Gravity and Black Holes Physic
Metrics
 
H-Index
i10 Index
Citation
55
179
9,455
* Rankings
Ranking Based On Selection: 17
Seyed Hossein Hendi
Gravitation
Cosmology
Black Hole Physics
General Relativity
Nonlinear Electrodynamic
Metrics
 
H-Index
i10 Index
Citation
54
138
8,256
* Rankings
Ranking Based On Selection: 18
Hossein Heli|H. Heli, Hunter Heli
Biosensors
Nanomedicine
Drug Delivey
Stem Cells
Electrocatalysi
Metrics
 
H-Index
i10 Index
Citation
54
136
7,569
* Rankings
Ranking Based On Selection: 19
Abdollah Kavousi Fard
Operation Management
Big Data Analytics
Advanced Machine Learning
Power System Cyber Securit
Metrics
 
H-Index
i10 Index
Citation
53
127
9,631
* Rankings
Ranking Based On Selection: 20
Keyvan Pakshir
Medical Mycology
Antifungal Susceptibility test
Molecular Mycology
Fungal Infectious..
Metrics
 
H-Index
i10 Index
Citation
53
100
19,753
* Rankings
Ranking Based On Selection: 21
Negar Azarpira
Regenerative Medicine
Stem cell
lslet cell and pancrease
Stem cell
Pharmacogenetic
Metrics
 
H-Index
i10 Index
Citation
53
297
11,544
* Rankings
Ranking Based On Selection: 22
Bahram Hemmateenejad
Chemometrics
Bioanalytical Chemistry
Computer-aided drug design
Nanosensor arra
Metrics
 
H-Index
i10 Index
Citation
53
216
10,349
* Rankings
Ranking Based On Selection: 23
Behnam Keshavarzi
Medical Geology
Ecotoxicology
Trace Elements
Microplastic
PAH
Metrics
 
H-Index
i10 Index
Citation
52
118
9,756
* Rankings
Ranking Based On Selection: 24
Reza Heidari
Mechanistic Toxicology
Drug-Induced Liver Injury
Mitochondria
Oxidative Stress
Tissue Fibrosi
Metrics
 
H-Index
i10 Index
Citation
52
164
7,239
* Rankings
Ranking Based On Selection: 25
Sasan Pirouzi
Power System Operation and Planning
Electric Vehicles
Renewable Energy System
Optimization Method
Metrics
 
H-Index
i10 Index
Citation
51
57
4,687
Rankings
Ranking Based On Selection: 1
Taher Niknam
Metrics
 
H-Index
i10 Index
Citation Counts
88
298
24,495
Artificial Intelligence
power system
optimization
Power System Operation and Planning - Electricity Markets - Renewable Ener
Rankings
Ranking Based On Selection: 2
Younes Ghasemi
Metrics
 
H-Index
i10 Index
Citation Counts
70
294
19,049
Recombinant Proteins
In Silico Biotechnology
Nanobiotechnology
Bioprocess and Fermentatio
Rankings
Ranking Based On Selection: 3
Nasser Iranpoor
Metrics
 
H-Index
i10 Index
Citation Counts
68
272
13,694
Rankings
Ranking Based On Selection: 4
Kamran B Lankarani
Metrics
 
H-Index
i10 Index
Citation Counts
67
339
18,906
Health policy
gastroenterology
hepatology
public healt
Rankings
Ranking Based On Selection: 5
Energy Technologies
Hydrogen Energy
Process Engineering
Decarbonization
Polymerizatio
Rankings
Ranking Based On Selection: 6
Habib Firouzabadi
Metrics
 
H-Index
i10 Index
Citation Counts
66
276
13,724
Rankings
Ranking Based On Selection: 7
Ali Mirzaei
Metrics
 
H-Index
i10 Index
Citation Counts
63
176
12,793
Rankings
Ranking Based On Selection: 8
Farid Moore
Metrics
 
H-Index
i10 Index
Citation Counts
63
176
14,254
Ecotoxicology
Economic Geology
Environmental Geology
Medical Geolog
Rankings
Ranking Based On Selection: 9
Afsaneh Safavi
Metrics
 
H-Index
i10 Index
Citation Counts
63
204
12,148
Rankings
Ranking Based On Selection: 10
Ahmad Oryan
Metrics
 
H-Index
i10 Index
Citation Counts
62
250
15,785
Veterinary Pathology
Tissue engineering and Regenerative Medicine
Comparative Pathology
Orthopaedic Pathology
Electron Micr
Rankings
Ranking Based On Selection: 11
Ali Reza Sepaskhah
Metrics
 
H-Index
i10 Index
Citation Counts
60
220
11,446
Rankings
Ranking Based On Selection: 12
Alireza Keshavarz
Metrics
 
H-Index
i10 Index
Citation Counts
58
161
9,627
Fluid Flow in Porous Media
Well Stimulation
CO2-sequestration
Hydrogen storage
Enhanced Oil/Ga
Rankings
Ranking Based On Selection: 13
Ahmad Ghanizadeh
Metrics
 
H-Index
i10 Index
Citation Counts
58
202
11,101
Rankings
Ranking Based On Selection: 14
Ahmad Sheykhi
Metrics
 
H-Index
i10 Index
Citation Counts
55
179
9,455
High Energy Physics
Cosmology
Gravity and Black Holes Physic
Rankings
Ranking Based On Selection: 15
Seyyed Alireza Hashemi
Metrics
 
H-Index
i10 Index
Citation Counts
54
109
6,898
Rankings
Ranking Based On Selection: 16
Ali Akbar Asadi Pooya
Metrics
 
H-Index
i10 Index
Citation Counts
54
208
34,653
Rankings
Ranking Based On Selection: 17
Seyed Hossein Hendi
Metrics
 
H-Index
i10 Index
Citation Counts
54
138
8,256
Gravitation
Cosmology
Black Hole Physics
General Relativity
Nonlinear Electrodynamic
Rankings
Ranking Based On Selection: 18
Hossein Heli|H. Heli, Hunter Heli
Metrics
 
H-Index
i10 Index
Citation Counts
54
136
7,569
Biosensors
Nanomedicine
Drug Delivey
Stem Cells
Electrocatalysi
Rankings
Ranking Based On Selection: 19
Abdollah Kavousi Fard
Metrics
 
H-Index
i10 Index
Citation Counts
53
127
9,631
Operation Management
Big Data Analytics
Advanced Machine Learning
Power System Cyber Securit
Rankings
Ranking Based On Selection: 20
Keyvan Pakshir
Metrics
 
H-Index
i10 Index
Citation Counts
53
100
19,753
Medical Mycology
Antifungal Susceptibility test
Molecular Mycology
Fungal Infectious..
Rankings
Ranking Based On Selection: 21
Negar Azarpira
Metrics
 
H-Index
i10 Index
Citation Counts
53
297
11,544
Regenerative Medicine
Stem cell
lslet cell and pancrease
Stem cell
Pharmacogenetic
Rankings
Ranking Based On Selection: 22
Bahram Hemmateenejad
Metrics
 
H-Index
i10 Index
Citation Counts
53
216
10,349
Chemometrics
Bioanalytical Chemistry
Computer-aided drug design
Nanosensor arra
Rankings
Ranking Based On Selection: 23
Behnam Keshavarzi
Metrics
 
H-Index
i10 Index
Citation Counts
52
118
9,756
Rankings
Ranking Based On Selection: 24
Reza Heidari
Metrics
 
H-Index
i10 Index
Citation Counts
52
164
7,239
Mechanistic Toxicology
Drug-Induced Liver Injury
Mitochondria
Oxidative Stress
Tissue Fibrosi
Rankings
Ranking Based On Selection: 25
Sasan Pirouzi
Metrics
 
H-Index
i10 Index
Citation Counts
51
57
4,687
Power System Operation and Planning
Electric Vehicles
Renewable Energy System
Optimization Method