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
Ali Akbari
heterocycle synthesis
green chemistry
Metrics
H-Index
i10 Index
Citation
34
67
5,206
* Rankings
Ranking Based On Selection :2
Mohammad Hossein Khanjani
Aquaculture
Aquaculture Nutrition
Biofloc
IMTA
Microplastic
Metrics
H-Index
i10 Index
Citation
25
35
1,883
* Rankings
Ranking Based On Selection :3
Mahboubeh Shirani
Separation and Determination of Enviromental pollution
Enviromental Chemistry
Analytical Chemistry
Metrics
H-Index
i10 Index
Citation
23
37
1,739
* Rankings
Ranking Based On Selection :9
M Salimi
Environmental Health Engineering
Metrics
H-Index
i10 Index
Citation
17
22
905
* Rankings
Ranking Based On Selection :10
Ali Azareh
GIS
RS
Land use planning
Land degradation
Spatial Modeling
Metrics
H-Index
i10 Index
Citation
16
18
1,275
* Rankings
Ranking Based On Selection :13
Mohammad Sadat Hosseini
Genetics and Plant Breeding
Bioinformatic
Walnut
Abiotic stress
Medicinal plants
Metrics
H-Index
i10 Index
Citation
14
18
1,112
* Rankings
Ranking Based On Selection :19
Mohsen Sharafatmandrad
Ecosystem services
Rangeland ecosystems
Vegetation ecology
Functional types
Plant diversity
Metrics
H-Index
i10 Index
Citation
12
16
419
* Rankings
Ranking Based On Selection :21
Gholam Ali Haghighat
Environmental Health
Water Treatment
Wastewater Treatment
Disaster Managment
catalytic removal of metronidazole and catalyti
Metrics
H-Index
i10 Index
Citation
12
13
715
* Rankings
Ranking Based On Selection :22
Mahsa Tahergorabi
water and wastewater treatment
Air pollution
pharmaceutical residue
Metrics
H-Index
i10 Index
Citation
12
12
246
* Rankings
Ranking Based On Selection :24
Abdollah Ramzanighara
Pharmacology and clinical research of medicinal plants
Metrics
H-Index
i10 Index
Citation
12
13
439
* Rankings
Ranking Based On Selection :30
Mostafa Mohammadian
Ergonomics
Occupational health
Metrics
H-Index
i10 Index
Citation
10
10
322
* Rankings
Ranking Based On Selection :31
Arsalan Barazandeh
epigenetics
genomic selection
artificial intelligence
bioinformatic
Metrics
H-Index
i10 Index
Citation
9
9
548
Iman Goroohi Sardou
Electricity Markets
Power System Operation
Power Market Operation
Metrics
H-Index
i10 Index
Citation
9
9
348
Aghil Iranmanesh
Fluid Structure interaction
Absorption cooling system
Solar Energy
Porous medium
Metrics
H-Index
i10 Index
Citation
9
8
512
Maryam Mazaheri-Tirani
Plant physiology
Nano science
Plant stress
Medicinal plants
Plant growth regulators
Metrics
H-Index
i10 Index
Citation
8
6
297
Mojtaba Soleimani-Sardo
Land degradation and Desertification
Remote Sensing of the Environment
Natural Hazards Monitoring
Metrics
H-Index
i10 Index
Citation
8
7
288
ّFereshteh Ezzati Ghadi
biophysics
toxicology
cancer biology
bioinformatic
Metrics
H-Index
i10 Index
Citation
8
8
253
F Eslami
Environmental Health Engineering
Air Quality
Water and Wastewater treatment
Health Risk
Metrics
H-Index
i10 Index
Citation
7
7
342
Ali Kamali|kamali A.
infectious diseases
epidemiology 'general health' immunology
Metrics
H-Index
i10 Index
Citation
7
4
168
Amir Mousaie
Animal Science
Ruminants nutrition
Trace elements nutrition
dairy cow production
Metrics
H-Index
i10 Index
Citation
6
5
164
Saeid Shafiei
Soil organic matter Soil pollution soil fertility plant nutrition
Metrics
H-Index
i10 Index
Citation
6
5
196
Hamid Ghasemkhani
Energy
Engineering
Agricultural and Biological Sciences
Metrics
H-Index
i10 Index
Citation
5
4
211
Javad Zamani|Javad ZamaniBabgohari
Soil Physics
Soil Water and Plant Relationship
Plant Root Growth
Soil Pollution
Metrics
H-Index
i10 Index
Citation
5
4
105
Hamid Dorbidi
Algebra
Graphs associated to alegbraic structures
Metrics
H-Index
i10 Index
Citation
5
4
104
Amirreza Amirmijani
Mycology and Plant Pathology
Metrics
H-Index
i10 Index
Citation
5
1
61
Uosef Mohammadi
Dynamical systems
Ergodic Theory
Metrics
H-Index
i10 Index
Citation
5
1
55
Ali Shahdadi
Human Geography-Spatial Planning-Ecotourism-Social Subject Planning-Social policy making Research-Urban planning
Metrics
H-Index
i10 Index
Citation
4
3
152
Arsalan Faryabi
Design and assessment of Under pressure irrigation systems
Soil physics
Water quality
Metrics
H-Index
i10 Index
Citation
3
1
87
Mohsen Batlab Akbarabadi
•Narrative
visual Narrative
Literary criticism
Mystical literature
Persian literature
Metrics
H-Index
i10 Index
Citation
0
0
0
Rankings
Ranking Based On Selection: 1
Ali Akbari
Metrics
H-Index
i10 Index
Citation Counts
34
67
5,206
Rankings
Ranking Based On Selection: 2
Mohammad Hossein Khanjani
Metrics
H-Index
i10 Index
Citation Counts
25
35
1,883
Aquaculture
Aquaculture Nutrition
Biofloc
IMTA
Microplastic
Rankings
Ranking Based On Selection: 3
Mahboubeh Shirani
Metrics
H-Index
i10 Index
Citation Counts
23
37
1,739
Separation and Determination of Enviromental pollution
Enviromental Chemistry
Analytical Chemistry
Rankings
Ranking Based On Selection: 4
Akbar Anaeigoudari
Metrics
H-Index
i10 Index
Citation Counts
22
35
1,361
Rankings
Ranking Based On Selection: 5
Mohsen Karbalaei Zadeh Babaki
Metrics
H-Index
i10 Index
Citation Counts
20
36
1,957
Rankings
Ranking Based On Selection: 6
Elham Rafiei Sardooi
Metrics
H-Index
i10 Index
Citation Counts
18
21
1,646
Rankings
Ranking Based On Selection: 7
Foozieh Rafati
Metrics
H-Index
i10 Index
Citation Counts
18
29
1,269
Rankings
Ranking Based On Selection: 8
Ali Reza Yusefi
Metrics
H-Index
i10 Index
Citation Counts
17
28
1,232
Health Service Management & Health Economics
Rankings
Ranking Based On Selection: 9
M Salimi
Metrics
H-Index
i10 Index
Citation Counts
17
22
905
Environmental Health Engineering
Rankings
Ranking Based On Selection: 10
Ali Azareh
Metrics
H-Index
i10 Index
Citation Counts
16
18
1,275
GIS
RS
Land use planning
Land degradation
Spatial Modeling
Rankings
Ranking Based On Selection: 11
Mahboobeh Zahedifar
Metrics
H-Index
i10 Index
Citation Counts
15
25
609
Rankings
Ranking Based On Selection: 12
Fatemeh Mashayekhi
Metrics
H-Index
i10 Index
Citation Counts
15
20
784
Rankings
Ranking Based On Selection: 13
Mohammad Sadat Hosseini
Metrics
H-Index
i10 Index
Citation Counts
14
18
1,112
Genetics and Plant Breeding
Bioinformatic
Walnut
Abiotic stress
Medicinal plants
Rankings
Ranking Based On Selection: 14
Omidali Esmaeilipour
Metrics
H-Index
i10 Index
Citation Counts
14
16
594
Rankings
Ranking Based On Selection: 15
Rouhollah Mirmahmoudi
Metrics
H-Index
i10 Index
Citation Counts
14
16
481
Rankings
Ranking Based On Selection: 16
Zohre Ebrahimi-Khusfi
Metrics
H-Index
i10 Index
Citation Counts
13
19
590
Rankings
Ranking Based On Selection: 18
Mohamad Reza Madadi
Metrics
H-Index
i10 Index
Citation Counts
12
15
432
Rankings
Ranking Based On Selection: 19
Mohsen Sharafatmandrad
Metrics
H-Index
i10 Index
Citation Counts
12
16
419
Ecosystem services
Rangeland ecosystems
Vegetation ecology
Functional types
Plant diversity
Rankings
Ranking Based On Selection: 21
Gholam Ali Haghighat
Metrics
H-Index
i10 Index
Citation Counts
12
13
715
Environmental Health
Water Treatment
Wastewater Treatment
Disaster Managment
catalytic removal of metronidazole and catalyti
Rankings
Ranking Based On Selection: 22
Mahsa Tahergorabi
Metrics
H-Index
i10 Index
Citation Counts
12
12
246
water and wastewater treatment
Air pollution
pharmaceutical residue
Rankings
Ranking Based On Selection: 23
Nemat Ziaei
Metrics
H-Index
i10 Index
Citation Counts
12
14
368
Rankings
Ranking Based On Selection: 24
Abdollah Ramzanighara
Metrics
H-Index
i10 Index
Citation Counts
12
13
439
Pharmacology and clinical research of medicinal plants
Rankings
Ranking Based On Selection: 26
Mostafa Khanamani
Metrics
H-Index
i10 Index
Citation Counts
11
11
585
Rankings
Ranking Based On Selection: 27
Farshad Soleimani Sardoo
Metrics
H-Index
i10 Index
Citation Counts
11
13
480
Rankings
Ranking Based On Selection: 28
Mohammad Ali-Hassanzadeh
Metrics
H-Index
i10 Index
Citation Counts
10
13
374
Rankings
Ranking Based On Selection: 29
Reza Faryabi
Metrics
H-Index
i10 Index
Citation Counts
10
10
313
Rankings
Ranking Based On Selection: 30
Mostafa Mohammadian
Metrics
H-Index
i10 Index
Citation Counts
10
10
322
Ergonomics
Occupational health
Rankings
Ranking Based On Selection: 31
Arsalan Barazandeh
Metrics
H-Index
i10 Index
Citation Counts
9
9
548
epigenetics
genomic selection
artificial intelligence
bioinformatic
Rankings
Ranking Based On Selection: 32
Iman Goroohi Sardou
Metrics
H-Index
i10 Index
Citation Counts
9
9
348
Electricity Markets
Power System Operation
Power Market Operation
Rankings
Ranking Based On Selection: 33
Fatemeh Shahdadi
Metrics
H-Index
i10 Index
Citation Counts
9
9
340
Rankings
Ranking Based On Selection: 34
Moslem Namjoo|M. Namjoo
Metrics
H-Index
i10 Index
Citation Counts
9
9
258
Rankings
Ranking Based On Selection: 35
Aghil Iranmanesh
Metrics
H-Index
i10 Index
Citation Counts
9
8
512
Fluid Structure interaction
Absorption cooling system
Solar Energy
Porous medium
Rankings
Ranking Based On Selection: 36
Mehdi Taheri Sarvtin
Metrics
H-Index
i10 Index
Citation Counts
9
8
355
Rankings
Ranking Based On Selection: 37
Maryam Mazaheri-Tirani
Metrics
H-Index
i10 Index
Citation Counts
8
6
297
Plant physiology
Nano science
Plant stress
Medicinal plants
Plant growth regulators
Rankings
Ranking Based On Selection: 38
Esmail Charkhloo
Metrics
H-Index
i10 Index
Citation Counts
8
6
278
Rankings
Ranking Based On Selection: 39
Mohammad Mahdi Soori
Metrics
H-Index
i10 Index
Citation Counts
8
8
307
Rankings
Ranking Based On Selection: 40
Mojtaba Soleimani-Sardo
Metrics
H-Index
i10 Index
Citation Counts
8
7
288
Land degradation and Desertification
Remote Sensing of the Environment
Natural Hazards Monitoring
Rankings
Ranking Based On Selection: 41
Asghar Amini Harandi
Metrics
H-Index
i10 Index
Citation Counts
8
7
275
Rankings
Ranking Based On Selection: 42
ّFereshteh Ezzati Ghadi
Metrics
H-Index
i10 Index
Citation Counts
8
8
253
biophysics
toxicology
cancer biology
bioinformatic
Rankings
Ranking Based On Selection: 43
F Eslami
Metrics
H-Index
i10 Index
Citation Counts
7
7
342
Environmental Health Engineering
Air Quality
Water and Wastewater treatment
Health Risk
Rankings
Ranking Based On Selection: 44
Alireza Garakaninezhad
Metrics
H-Index
i10 Index
Citation Counts
7
6
134
Rankings
Ranking Based On Selection: 45
Hamidreza Alizadeh
Metrics
H-Index
i10 Index
Citation Counts
7
5
333
Rankings
Ranking Based On Selection: 46
Ali Kamali|kamali A.
Metrics
H-Index
i10 Index
Citation Counts
7
4
168
infectious diseases
epidemiology 'general health' immunology
Rankings
Ranking Based On Selection: 47
Motahareh Faramarzpour
Metrics
H-Index
i10 Index
Citation Counts
7
6
154
Rankings
Ranking Based On Selection: 48
Mohammad Pourfridoni
Metrics
H-Index
i10 Index
Citation Counts
6
5
342
Rankings
Ranking Based On Selection: 49
Amir Mousaie
Metrics
H-Index
i10 Index
Citation Counts
6
5
164
Animal Science
Ruminants nutrition
Trace elements nutrition
dairy cow production
Rankings
Ranking Based On Selection: 50
Saeid Shafiei
Metrics
H-Index
i10 Index
Citation Counts
6
5
196
Soil organic matter Soil pollution soil fertility plant nutrition
Rankings
Ranking Based On Selection: 51
Hossein Meighani
Metrics
H-Index
i10 Index
Citation Counts
6
4
235
Rankings
Ranking Based On Selection: 52
Bahareh Parsa Motlagh
Metrics
H-Index
i10 Index
Citation Counts
6
0
76
Rankings
Ranking Based On Selection: 53
Hamid Ghasemkhani
Metrics
H-Index
i10 Index
Citation Counts
5
4
211
Energy
Engineering
Agricultural and Biological Sciences
Rankings
Ranking Based On Selection: 54
Seyed Hamzeh Hosseini
Metrics
H-Index
i10 Index
Citation Counts
5
4
158
Rankings
Ranking Based On Selection: 55
Javad Zamani|Javad ZamaniBabgohari
Metrics
H-Index
i10 Index
Citation Counts
5
4
105
Soil Physics
Soil Water and Plant Relationship
Plant Root Growth
Soil Pollution
Rankings
Ranking Based On Selection: 56
Yadollah Badakhshan
Metrics
H-Index
i10 Index
Citation Counts
5
3
77
Rankings
Ranking Based On Selection: 57
Hamid Dorbidi
Metrics
H-Index
i10 Index
Citation Counts
5
4
104
Algebra
Graphs associated to alegbraic structures
Rankings
Ranking Based On Selection: 59
Amirreza Amirmijani
Metrics
H-Index
i10 Index
Citation Counts
5
1
61
Mycology and Plant Pathology
Rankings
Ranking Based On Selection: 60
Uosef Mohammadi
Metrics
H-Index
i10 Index
Citation Counts
5
1
55
Dynamical systems
Ergodic Theory
Rankings
Ranking Based On Selection: 61
Ali Shahdadi
Metrics
H-Index
i10 Index
Citation Counts
4
3
152
Human Geography-Spatial Planning-Ecotourism-Social Subject Planning-Social policy making Research-Urban planning
Rankings
Ranking Based On Selection: 62
Mohammad Faryabi
Metrics
H-Index
i10 Index
Citation Counts
4
3
54
Rankings
Ranking Based On Selection: 63
Hedyeh Askarpour
Metrics
H-Index
i10 Index
Citation Counts
4
1
68
Rankings
Ranking Based On Selection: 64
Farhad Arefi
Metrics
H-Index
i10 Index
Citation Counts
4
0
25
Rankings
Ranking Based On Selection: 65
Aliasghar Kheirkhah Vakilabad
Metrics
H-Index
i10 Index
Citation Counts
3
3
114
Rankings
Ranking Based On Selection: 66
Asma Soleimanisardoo|Asma Soleimani
Metrics
H-Index
i10 Index
Citation Counts
3
2
224
Rankings
Ranking Based On Selection: 67
Sholeh Khajoei
Metrics
H-Index
i10 Index
Citation Counts
3
2
62
Rankings
Ranking Based On Selection: 69
Arsalan Faryabi
Metrics
H-Index
i10 Index
Citation Counts
3
1
87
Design and assessment of Under pressure irrigation systems
Soil physics
Water quality
Rankings
Ranking Based On Selection: 70
Motahareh Hosseini
Metrics
H-Index
i10 Index
Citation Counts
3
1
29
Rankings
Ranking Based On Selection: 71
Reza Mola Ali Nejad
Metrics
H-Index
i10 Index
Citation Counts
3
1
28
Rankings
Ranking Based On Selection: 72
Samira Shahrokhi
Metrics
H-Index
i10 Index
Citation Counts
2
1
13
Rankings
Ranking Based On Selection: 73
Azam Seyedi
Metrics
H-Index
i10 Index
Citation Counts
2
0
17
Rankings
Ranking Based On Selection: 75
Tayebeh Sedighi Darijani
Metrics
H-Index
i10 Index
Citation Counts
2
0
8
Rankings
Ranking Based On Selection: 76
Moazeme Soltani
Metrics
H-Index
i10 Index
Citation Counts
2
0
6
Rankings
Ranking Based On Selection: 78
Amiri Ghannat Saman, Ismail
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
Rankings
Ranking Based On Selection: 79
Nahid Raeisi
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Rankings
Ranking Based On Selection: 80
Shobeir Rostamia Abusaeedi
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Rankings
Ranking Based On Selection: 81
Mohsen Batlab Akbarabadi
Metrics
H-Index
i10 Index
Citation Counts
0
0
0
•Narrative
visual Narrative
Literary criticism
Mystical literature
Persian literature