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
Alireza Nezamzadeh Ejhieh
Analytical Chemistry
Zeolite Modified electrodes
Photodegradation and Environmental Researches
Metrics
 
H-Index
i10 Index
Citation
90
220
18,021
* Rankings
Ranking Based On Selection: 5
Amir Masoud Rahmani
Internet of Things
Artificial intelligence
Cloud/Fog computing
Big data
Machine learnin
Metrics
 
H-Index
i10 Index
Citation
63
274
15,730
* Rankings
Ranking Based On Selection: 7
Hamid Reza Bakhsheshi Rad
Mg-based materials
Biodegradable materials
Corrosion behaviour
Biocomposite coating
Biomaterial
Metrics
 
H-Index
i10 Index
Citation
60
168
10,336
* Rankings
Ranking Based On Selection: 11
Ahmad Rezaee Jordehi
Smart grids
Microgrids
Power system operation
Renewable energy
Energy management system
Metrics
 
H-Index
i10 Index
Citation
53
101
9,454
* Rankings
Ranking Based On Selection: 13
Ehsan Kianfar
nano
membeans
drug delivery
catalytic
Bi
Metrics
 
H-Index
i10 Index
Citation
52
112
8,396
* Rankings
Ranking Based On Selection: 14
Abdollah Ghasemi Pirbalouti
Medicinal & Aromatic Plants
Phytochemistry
Organic Farming
Plant-Based Functional Food
Metrics
 
H-Index
i10 Index
Citation
52
157
9,340
* Rankings
Ranking Based On Selection: 15
Raheb Gholami
Applied Mechanics
Computational Mechanics
Micromechanics
Nanomechanics
Plates and Shell
Metrics
 
H-Index
i10 Index
Citation
52
114
6,888
* Rankings
Ranking Based On Selection: 17
Mohammad Ali Behnajady
Heterogeneous photocatalysis
metal oxide nanoparticles
waste water treatmen
Metrics
 
H-Index
i10 Index
Citation
50
96
9,014
* Rankings
Ranking Based On Selection: 18
Behrouz Karami
Computational Mechanics
Nano Mechanics
Composite Structures
Anisotropy
Biomechanic
Metrics
 
H-Index
i10 Index
Citation
49
78
6,096
* Rankings
Ranking Based On Selection: 19
Mehdi Aliehyaei Maehyaei|Mehdi Aliehyaie
Exergy analysis
Hydrogen energy
Organic Rankine Cycle
Renewable energy
process integratio
Metrics
 
H-Index
i10 Index
Citation
47
96
5,906
* Rankings
Ranking Based On Selection: 23
Soheil Sobhan Ardakani
Environmental Pollution
Environmental Chemistry
Environmental Health
Ecotoxicology
Trace Elemen
Metrics
 
H-Index
i10 Index
Citation
45
140
6,311
* Rankings
Ranking Based On Selection: 24
Ehsan Namaziandost
TEFL
Applied Linguistics
CALL
Language Learning and Technology
Educational Psycholog
Metrics
 
H-Index
i10 Index
Citation
44
110
5,862
* Rankings
Ranking Based On Selection: 25
Ashkan Hafezalkotob
Business Analytics
Environmental governance
Sustainable Supply Chain
Sustainable development goals
Decision Scienc
Metrics
 
H-Index
i10 Index
Citation
44
121
6,656
Rankings
Ranking Based On Selection: 1
Masoud Afrand
Metrics
 
H-Index
i10 Index
Citation Counts
103
281
27,129
Rankings
Ranking Based On Selection: 2
Alireza Nezamzadeh Ejhieh
Metrics
 
H-Index
i10 Index
Citation Counts
90
220
18,021
Analytical Chemistry
Zeolite Modified electrodes
Photodegradation and Environmental Researches
Rankings
Ranking Based On Selection: 3
Arash Karimipour
Metrics
 
H-Index
i10 Index
Citation Counts
86
249
19,940
Rankings
Ranking Based On Selection: 4
Azar Ahmadi
Metrics
 
H-Index
i10 Index
Citation Counts
66
363
27,253
Rankings
Ranking Based On Selection: 5
Amir Masoud Rahmani
Metrics
 
H-Index
i10 Index
Citation Counts
63
274
15,730
Internet of Things
Artificial intelligence
Cloud/Fog computing
Big data
Machine learnin
Rankings
Ranking Based On Selection: 6
Mohammad Karimi
Metrics
 
H-Index
i10 Index
Citation Counts
63
347
17,279
Rankings
Ranking Based On Selection: 7
Hamid Reza Bakhsheshi Rad
Metrics
 
H-Index
i10 Index
Citation Counts
60
168
10,336
Mg-based materials
Biodegradable materials
Corrosion behaviour
Biocomposite coating
Biomaterial
Rankings
Ranking Based On Selection: 8
Ebrahim Rahimi
Metrics
 
H-Index
i10 Index
Citation Counts
56
233
11,245
Rankings
Ranking Based On Selection: 9
Metaheuristics
Swarm Intelligence
Data Mining
Machine Learning
Natural Language Processin
Rankings
Ranking Based On Selection: 10
Mahmoud Ebrahimi
Metrics
 
H-Index
i10 Index
Citation Counts
54
195
9,631
Rankings
Ranking Based On Selection: 11
Ahmad Rezaee Jordehi
Metrics
 
H-Index
i10 Index
Citation Counts
53
101
9,454
Smart grids
Microgrids
Power system operation
Renewable energy
Energy management system
Rankings
Ranking Based On Selection: 12
Mojtaba Ahmadi
Metrics
 
H-Index
i10 Index
Citation Counts
53
253
12,319
Rankings
Ranking Based On Selection: 13
Ehsan Kianfar
Metrics
 
H-Index
i10 Index
Citation Counts
52
112
8,396
Rankings
Ranking Based On Selection: 14
Abdollah Ghasemi Pirbalouti
Metrics
 
H-Index
i10 Index
Citation Counts
52
157
9,340
Medicinal & Aromatic Plants
Phytochemistry
Organic Farming
Plant-Based Functional Food
Rankings
Ranking Based On Selection: 15
Raheb Gholami
Metrics
 
H-Index
i10 Index
Citation Counts
52
114
6,888
Applied Mechanics
Computational Mechanics
Micromechanics
Nanomechanics
Plates and Shell
Rankings
Ranking Based On Selection: 16
Ali Rahimi
Metrics
 
H-Index
i10 Index
Citation Counts
50
183
16,917
Rankings
Ranking Based On Selection: 17
Mohammad Ali Behnajady
Metrics
 
H-Index
i10 Index
Citation Counts
50
96
9,014
Heterogeneous photocatalysis
metal oxide nanoparticles
waste water treatmen
Rankings
Ranking Based On Selection: 18
Behrouz Karami
Metrics
 
H-Index
i10 Index
Citation Counts
49
78
6,096
Computational Mechanics
Nano Mechanics
Composite Structures
Anisotropy
Biomechanic
Rankings
Ranking Based On Selection: 19
Mehdi Aliehyaei Maehyaei|Mehdi Aliehyaie
Metrics
 
H-Index
i10 Index
Citation Counts
47
96
5,906
Exergy analysis
Hydrogen energy
Organic Rankine Cycle
Renewable energy
process integratio
Rankings
Ranking Based On Selection: 20
Hassan Momtaz
Metrics
 
H-Index
i10 Index
Citation Counts
47
107
6,349
Rankings
Ranking Based On Selection: 22
Mostafa Ghobaei Arani
Metrics
 
H-Index
i10 Index
Citation Counts
45
73
5,481
Rankings
Ranking Based On Selection: 23
Soheil Sobhan Ardakani
Metrics
 
H-Index
i10 Index
Citation Counts
45
140
6,311
Environmental Pollution
Environmental Chemistry
Environmental Health
Ecotoxicology
Trace Elemen
Rankings
Ranking Based On Selection: 24
Ehsan Namaziandost
Metrics
 
H-Index
i10 Index
Citation Counts
44
110
5,862
TEFL
Applied Linguistics
CALL
Language Learning and Technology
Educational Psycholog
Rankings
Ranking Based On Selection: 25
Ashkan Hafezalkotob
Metrics
 
H-Index
i10 Index
Citation Counts
44
121
6,656
Business Analytics
Environmental governance
Sustainable Supply Chain
Sustainable development goals
Decision Scienc