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" (873,690 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
Omid Rahmati
Geocomputation
Disasters
Land degradation
Artificial Intelligence
RS/GIS
Metrics
H-Index
i10 Index
Citation
52
76
11,048
* Rankings
Ranking Based On Selection: 4
Nima Pourang
Aquatic Environment - Marine Pollution- Biosorption-Bioremediation
Metrics
H-Index
i10 Index
Citation
30
70
3,898

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* Rankings
Ranking Based On Selection: 15
Mehdi Nasr-Esfahani
Plant-Pathology
Markers
Gene-markers
Molecular-Biology
Enzyme-activity
Metrics
H-Index
i10 Index
Citation
23
57
1,638
* Rankings
Ranking Based On Selection: 16
Rahmatollah Karimizadeh
Wheat Breeding
Pulse Breeding
Drought Stress
GE Interaction Models
Metrics
H-Index
i10 Index
Citation
23
56
2,249
* Rankings
Ranking Based On Selection: 18
Behzad Sadeghzadeh
Plant Breeding & Genomics for Abiotic Stresses
Crop Molecular Breeding
Plant Nutrition
Metrics
H-Index
i10 Index
Citation
22
31
1,728
* Rankings
Ranking Based On Selection: 19
Jalil Zorriehzahra
Fish Virology
Fish Bacteriology
Fish Hematology
PCR and Fish Histopathology
Metrics
H-Index
i10 Index
Citation
21
35
2,368
* Rankings
Ranking Based On Selection: 20
Hamid Abdollahi
Plant/Pathogen Interaction
Fruit Breeding
Fruit Biotechnology
Metrics
H-Index
i10 Index
Citation
21
44
1,471
* Rankings
Ranking Based On Selection: 21
Ahmad Sharifi Malvajerdi
Soil and machine interaction
Coating tillage tools
Conservation Tillage
Precision Agriculture (Soil Sensing Technology)
Metrics
H-Index
i10 Index
Citation
21
29
2,511
* Rankings
Ranking Based On Selection: 27
Vahideh Mahdavi
pesticide residue analysis
phytochemistry
metabolite analysis
metabolomics
Risk Assessment Analysis
Metrics
H-Index
i10 Index
Citation
19
34
982
* Rankings
Ranking Based On Selection: 37
Bahareh Jamshidi
Optical NDT
NIR Spectroscopy
Spectral Imaging
Internet of Things
Smart Agriculture
Metrics
H-Index
i10 Index
Citation
18
21
1,609
* Rankings
Ranking Based On Selection: 39
Alireza Dehnad
biothechnology(microbial-industerial)-metabolomics-molecular genetic
Metrics
H-Index
i10 Index
Citation
17
29
1,084
* Rankings
Ranking Based On Selection: 42
Mounes Bakhshi
Mycology
Fungal molecular phylogeny
Fungal diversity
Plant Pathology
Metrics
H-Index
i10 Index
Citation
17
25
1,745
* Rankings
Ranking Based On Selection: 43
Hasan Fazli
Fish Biology
Fish Stock Assessment and Management
Biostatistics
Metrics
H-Index
i10 Index
Citation
17
32
1,379
* Rankings
Ranking Based On Selection: 51
Hadi Mosallanejad
Insecticide Resistance
Toxicology of Insecticides & Acaricides
Metrics
H-Index
i10 Index
Citation
16
20
711
* Rankings
Ranking Based On Selection: 61
Morteza Golmohammadi
phytopathogenic bacteria
phytoplasma
citrus
kiwi
Metrics
H-Index
i10 Index
Citation
15
17
681
* Rankings
Ranking Based On Selection: 73
Zohreh Emami Bistgani
Agronomy
Physiology of Crop Plants
Medicinal and Aromatic plants
Metrics
H-Index
i10 Index
Citation
14
16
1,211
* Rankings
Ranking Based On Selection: 74
Javad Seyedmohammadi
Land Assessment
Remote Sensing and GIS
Soil and Landscape Modelling
Statistics and Geostatistics
Digital Soil Mapping
Metrics
H-Index
i10 Index
Citation
14
16
984
* Rankings
Ranking Based On Selection: 77
Babak Madani
Postharvest Phsiology and Technology of Horticultural Crops
Date palm and tropical fruits
Plant physiology
Metrics
H-Index
i10 Index
Citation
14
16
621
* Rankings
Ranking Based On Selection: 78
Mohammad Ali Rostami
Data Science
Data Visualization
Graph Analysis
Machine Learning
Applied Math
Metrics
H-Index
i10 Index
Citation
14
33
763
* Rankings
Ranking Based On Selection: 85
Vahid Mahdavi
Pesticides (formulation
residues
toxicology)
IPM (with an emphasis on greenhouse pests)
Metrics
H-Index
i10 Index
Citation
14
16
513
* Rankings
Ranking Based On Selection: 89
Behrouz Vaezi
Drought stress *cereal
lathyrus and vitch- G*E Interaction*stability analysis
Metrics
H-Index
i10 Index
Citation
14
16
1,015
* Rankings
Ranking Based On Selection: 95
Shahram Naeimi
Biological control of plant diseases
Biology
ecology and taxonomy of Trichoderma
Metrics
H-Index
i10 Index
Citation
13
14
787
* Rankings
Ranking Based On Selection: 100
Reza Nahavandi
Fishery
Biotechnology
Molecular genetic of Aquatic animals
Genetic diversity
Metrics
H-Index
i10 Index
Citation
13
14
535
Rankings
Ranking Based On Selection: 1
Omid Rahmati
Metrics
H-Index
i10 Index
Citation Counts
52
76
11,048
Geocomputation
Disasters
Land degradation
Artificial Intelligence
RS/GIS
Rankings
Ranking Based On Selection: 3
Reza Mohammadi
Metrics
H-Index
i10 Index
Citation Counts
38
85
4,978
Rankings
Ranking Based On Selection: 4
Nima Pourang
Metrics
H-Index
i10 Index
Citation Counts
30
70
3,898
Aquatic Environment - Marine Pollution- Biosorption-Bioremediation
Rankings
Ranking Based On Selection: 5
Majid Rashidi
Metrics
H-Index
i10 Index
Citation Counts
30
86
3,780
Rankings
Ranking Based On Selection: 6
Fariborz Abbasi
Metrics
H-Index
i10 Index
Citation Counts
29
62
3,134
Rankings
Ranking Based On Selection: 7
Majid Zamani
Metrics
H-Index
i10 Index
Citation Counts
28
67
2,874
Rankings
Ranking Based On Selection: 8
Ahmad Naderi
Metrics
H-Index
i10 Index
Citation Counts
28
67
3,058
Rankings
Ranking Based On Selection: 10
Norair Toomanian
Metrics
H-Index
i10 Index
Citation Counts
27
35
2,270

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Rankings
Ranking Based On Selection: 11
Darab Hassani
Metrics
H-Index
i10 Index
Citation Counts
26
54
1,854
Rankings
Ranking Based On Selection: 12
Hadi Pirasteh-Anosheh
Metrics
H-Index
i10 Index
Citation Counts
25
50
2,398
Crop science
Crop physiology
Salinity
Salt stress
Rankings
Ranking Based On Selection: 13
Saleh Yousefi
Metrics
H-Index
i10 Index
Citation Counts
24
35
1,722
Natural Hazards
Fluvial Geomorphology
Watershed Management
Landslide
GIS
Rankings
Ranking Based On Selection: 14
Jahanfar Daneshian
Metrics
H-Index
i10 Index
Citation Counts
24
59
2,462
Rankings
Ranking Based On Selection: 15
Mehdi Nasr-Esfahani
Metrics
H-Index
i10 Index
Citation Counts
23
57
1,638
Plant-Pathology
Markers
Gene-markers
Molecular-Biology
Enzyme-activity
Rankings
Ranking Based On Selection: 16
Rahmatollah Karimizadeh
Metrics
H-Index
i10 Index
Citation Counts
23
56
2,249
Wheat Breeding
Pulse Breeding
Drought Stress
GE Interaction Models
Rankings
Ranking Based On Selection: 17
Ahmadreza Koocheki
Metrics
H-Index
i10 Index
Citation Counts
23
56
1,850
Rankings
Ranking Based On Selection: 18
Behzad Sadeghzadeh
Metrics
H-Index
i10 Index
Citation Counts
22
31
1,728
Plant Breeding & Genomics for Abiotic Stresses
Crop Molecular Breeding
Plant Nutrition
Rankings
Ranking Based On Selection: 19
Jalil Zorriehzahra
Metrics
H-Index
i10 Index
Citation Counts
21
35
2,368
Fish Virology
Fish Bacteriology
Fish Hematology
PCR and Fish Histopathology
Rankings
Ranking Based On Selection: 20
Hamid Abdollahi
Metrics
H-Index
i10 Index
Citation Counts
21
44
1,471
Plant/Pathogen Interaction
Fruit Breeding
Fruit Biotechnology
Rankings
Ranking Based On Selection: 21
Ahmad Sharifi Malvajerdi
Metrics
H-Index
i10 Index
Citation Counts
21
29
2,511
Soil and machine interaction
Coating tillage tools
Conservation Tillage
Precision Agriculture (Soil Sensing Technology)
Rankings
Ranking Based On Selection: 22
Ali Chenari Bouket
Metrics
H-Index
i10 Index
Citation Counts
20
32
1,980
Plant Pathology
Microbial Ecology
Molecular Phylogeny
Rankings
Ranking Based On Selection: 23
Neda Maftoonazad
Metrics
H-Index
i10 Index
Citation Counts
20
26
2,248
Food Technology-Postharvest Technology of Fruits and Vegetables
Rankings
Ranking Based On Selection: 24
Vahid Noaman
Metrics
H-Index
i10 Index
Citation Counts
20
37
1,237
Rankings
Ranking Based On Selection: 25
Mohammad Akbarzadeh
Metrics
H-Index
i10 Index
Citation Counts
20
44
1,285
Rankings
Ranking Based On Selection: 26
Bahman Panahi
Metrics
H-Index
i10 Index
Citation Counts
19
44
1,446
Rankings
Ranking Based On Selection: 27
Vahideh Mahdavi
Metrics
H-Index
i10 Index
Citation Counts
19
34
982
pesticide residue analysis
phytochemistry
metabolite analysis
metabolomics
Risk Assessment Analysis
Rankings
Ranking Based On Selection: 28
Hosna Hajati
Metrics
H-Index
i10 Index
Citation Counts
19
23
1,295
Rankings
Ranking Based On Selection: 29
Fojan Badii
Metrics
H-Index
i10 Index
Citation Counts
19
22
1,630
Rankings
Ranking Based On Selection: 31
Mahdi Karimi
Metrics
H-Index
i10 Index
Citation Counts
19
39
1,443
Rankings
Ranking Based On Selection: 32
Aquatic animal health
fish dis.
herbal vet. med.
Rankings
Ranking Based On Selection: 33
Valiollah Rameeh
Metrics
H-Index
i10 Index
Citation Counts
19
34
1,141
Rankings
Ranking Based On Selection: 35
Massoud Goodarzi
Metrics
H-Index
i10 Index
Citation Counts
18
34
1,648
Rankings
Ranking Based On Selection: 36
Hassan Zali
Metrics
H-Index
i10 Index
Citation Counts
18
25
1,290
Rankings
Ranking Based On Selection: 37
Bahareh Jamshidi
Metrics
H-Index
i10 Index
Citation Counts
18
21
1,609
Optical NDT
NIR Spectroscopy
Spectral Imaging
Internet of Things
Smart Agriculture
Rankings
Ranking Based On Selection: 38
Rankings
Ranking Based On Selection: 39
Alireza Dehnad
Metrics
H-Index
i10 Index
Citation Counts
17
29
1,084
biothechnology(microbial-industerial)-metabolomics-molecular genetic
Rankings
Ranking Based On Selection: 40
Saed-Moucheshi, A
Metrics
H-Index
i10 Index
Citation Counts
17
26
2,189
Data Science
SAS
R
Abiotic stress
Cereal Breeding
Rankings
Ranking Based On Selection: 42
Mounes Bakhshi
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,745
Mycology
Fungal molecular phylogeny
Fungal diversity
Plant Pathology
Rankings
Ranking Based On Selection: 43
Hasan Fazli
Metrics
H-Index
i10 Index
Citation Counts
17
32
1,379
Fish Biology
Fish Stock Assessment and Management
Biostatistics
Rankings
Ranking Based On Selection: 46
Mehrdad Tabari
Metrics
H-Index
i10 Index
Citation Counts
17
23
598
Rankings
Ranking Based On Selection: 47
Leila Zare
Metrics
H-Index
i10 Index
Citation Counts
16
27
881
Rankings
Ranking Based On Selection: 48
Farid Golzardi
Metrics
H-Index
i10 Index
Citation Counts
16
24
895
Sorghum
Maize
Forage Crops
Rankings
Ranking Based On Selection: 50
Parviz Moradi
Metrics
H-Index
i10 Index
Citation Counts
16
18
899
Rankings
Ranking Based On Selection: 51
Hadi Mosallanejad
Metrics
H-Index
i10 Index
Citation Counts
16
20
711
Insecticide Resistance
Toxicology of Insecticides & Acaricides
Rankings
Ranking Based On Selection: 52
Houshang Lotfollahian
Metrics
H-Index
i10 Index
Citation Counts
16
21
1,072
Rankings
Ranking Based On Selection: 53
Hassan Rasouli|Rasouli. H
Metrics
H-Index
i10 Index
Citation Counts
15
21
1,760
Biotechnology
Toxins
Protein interaction
Flavonoids
Alkaloids
Rankings
Ranking Based On Selection: 54
Mohammad Mehrnia
Metrics
H-Index
i10 Index
Citation Counts
15
18
972
Rankings
Ranking Based On Selection: 55
Mehrdad Zarafshar
Metrics
H-Index
i10 Index
Citation Counts
15
22
1,240
Rankings
Ranking Based On Selection: 56
Mehran Avakh Keysami
Metrics
H-Index
i10 Index
Citation Counts
15
20
1,027
Rankings
Ranking Based On Selection: 57
Ali Akbar Ameri
Metrics
H-Index
i10 Index
Citation Counts
15
18
687
Medicinal plants
Agro ecology
Crop physiology
Rankings
Ranking Based On Selection: 58
Homayoun Kanouni
Metrics
H-Index
i10 Index
Citation Counts
15
22
839
Chickpea Breeding
Molecular breeding
Statistical analysis
Rankings
Ranking Based On Selection: 59
Mohammad Reza Vazifeshenas
Metrics
H-Index
i10 Index
Citation Counts
15
20
1,134
Rankings
Ranking Based On Selection: 60
Mohammad Hossein Banabazi
Metrics
H-Index
i10 Index
Citation Counts
15
19
1,437
Computational Biology
Data Science
Bioinformatics
Rankings
Ranking Based On Selection: 61
Morteza Golmohammadi
Metrics
H-Index
i10 Index
Citation Counts
15
17
681
phytopathogenic bacteria
phytoplasma
citrus
kiwi
Rankings
Ranking Based On Selection: 62
Mehrdad Abbasi
Metrics
H-Index
i10 Index
Citation Counts
15
36
1,140
Rankings
Ranking Based On Selection: 64
Valiollah Baniameri
Metrics
H-Index
i10 Index
Citation Counts
15
23
1,233
Rankings
Ranking Based On Selection: 65
Majeed Askari Seyahooei
Metrics
H-Index
i10 Index
Citation Counts
15
23
727
Rankings
Ranking Based On Selection: 66
Bahram Alizadeh
Metrics
H-Index
i10 Index
Citation Counts
15
21
860
Plant breeding
oilseed rape
canola
rapeseed
Brassica napus
Rankings
Ranking Based On Selection: 67
Hossein Sadeghi
Metrics
H-Index
i10 Index
Citation Counts
15
20
1,641
Rankings
Ranking Based On Selection: 68
Sattar Chavoshi
Metrics
H-Index
i10 Index
Citation Counts
15
20
975
Rankings
Ranking Based On Selection: 69
Mohammad Khorshidi
Metrics
H-Index
i10 Index
Citation Counts
15
19
781
Rankings
Ranking Based On Selection: 70
Ali İmani
Metrics
H-Index
i10 Index
Citation Counts
15
24
824
Rankings
Ranking Based On Selection: 72
Mr Naroui Rad
Metrics
H-Index
i10 Index
Citation Counts
15
19
842
Rankings
Ranking Based On Selection: 73
Zohreh Emami Bistgani
Metrics
H-Index
i10 Index
Citation Counts
14
16
1,211
Agronomy
Physiology of Crop Plants
Medicinal and Aromatic plants
Rankings
Ranking Based On Selection: 74
Javad Seyedmohammadi
Metrics
H-Index
i10 Index
Citation Counts
14
16
984
Land Assessment
Remote Sensing and GIS
Soil and Landscape Modelling
Statistics and Geostatistics
Digital Soil Mapping
Rankings
Ranking Based On Selection: 75
Ramin Lotfi
Metrics
H-Index
i10 Index
Citation Counts
14
19
1,242
Rankings
Ranking Based On Selection: 76
Majid Kalantar
Metrics
H-Index
i10 Index
Citation Counts
14
18
603
Rankings
Ranking Based On Selection: 77
Babak Madani
Metrics
H-Index
i10 Index
Citation Counts
14
16
621
Postharvest Phsiology and Technology of Horticultural Crops
Date palm and tropical fruits
Plant physiology
Rankings
Ranking Based On Selection: 78
Mohammad Ali Rostami
Metrics
H-Index
i10 Index
Citation Counts
14
33
763
Data Science
Data Visualization
Graph Analysis
Machine Learning
Applied Math
Rankings
Ranking Based On Selection: 80
Ali Moumeni
Metrics
H-Index
i10 Index
Citation Counts
14
21
1,234
Rankings
Ranking Based On Selection: 81
Mohammad Reza Bagheri
Metrics
H-Index
i10 Index
Citation Counts
14
16
653
Rankings
Ranking Based On Selection: 82
Bita Asgari
Metrics
H-Index
i10 Index
Citation Counts
14
16
582
Rankings
Ranking Based On Selection: 83
Asghar Mousavi
Metrics
H-Index
i10 Index
Citation Counts
14
23
611
Physiology
Breeding and Biotechnology of Fruit Trees
Rankings
Ranking Based On Selection: 84
Rasoul Marzban
Metrics
H-Index
i10 Index
Citation Counts
14
17
568
Rankings
Ranking Based On Selection: 85
Vahid Mahdavi
Metrics
H-Index
i10 Index
Citation Counts
14
16
513
Pesticides (formulation
residues
toxicology)
IPM (with an emphasis on greenhouse pests)
Rankings
Ranking Based On Selection: 86
Hamidreza Karami
Metrics
H-Index
i10 Index
Citation Counts
14
15
689
Rankings
Ranking Based On Selection: 87
Ashkboos Amini
Metrics
H-Index
i10 Index
Citation Counts
14
23
745
Rankings
Ranking Based On Selection: 89
Behrouz Vaezi
Metrics
H-Index
i10 Index
Citation Counts
14
16
1,015
Drought stress *cereal
lathyrus and vitch- G*E Interaction*stability analysis
Rankings
Ranking Based On Selection: 90
Mehdi Faghihi
Metrics
H-Index
i10 Index
Citation Counts
14
16
510
Rankings
Ranking Based On Selection: 91
Ahmad Ramazani
Metrics
H-Index
i10 Index
Citation Counts
14
14
681
Agricultur
Agronomy
Crop physiology
Nanotechnology
Rankings
Ranking Based On Selection: 92
Mehdi Ghaffari
Metrics
H-Index
i10 Index
Citation Counts
13
21
697
Rankings
Ranking Based On Selection: 93
Masoud Haghighi
Metrics
H-Index
i10 Index
Citation Counts
13
17
743
Rankings
Ranking Based On Selection: 94
Hamid Jabbari
Metrics
H-Index
i10 Index
Citation Counts
13
15
534
Drought stress
safflower
rapeseed
sunflower
salicornia
Rankings
Ranking Based On Selection: 95
Shahram Naeimi
Metrics
H-Index
i10 Index
Citation Counts
13
14
787
Biological control of plant diseases
Biology
ecology and taxonomy of Trichoderma
Rankings
Ranking Based On Selection: 97
Mohammad Reza Shahsavari
Metrics
H-Index
i10 Index
Citation Counts
13
14
468
Rankings
Ranking Based On Selection: 98
Hassan Hoda
Metrics
H-Index
i10 Index
Citation Counts
13
20
868
Artificial diet
Inscet rearing
Insect Biochemistry
Rankings
Ranking Based On Selection: 99
Nader Asadzadeh
Metrics
H-Index
i10 Index
Citation Counts
13
17
871
Rankings
Ranking Based On Selection: 100
Reza Nahavandi
Metrics
H-Index
i10 Index
Citation Counts
13
14
535
Fishery
Biotechnology
Molecular genetic of Aquatic animals
Genetic diversity