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" (870,057 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
Ghazi Al Karaki
Food and Agriculture
Plant stress physiology
Soilless and hydroponic culture
Metrics
H-Index
i10 Index
Citation
34
55
6,072
* Rankings
Ranking Based On Selection: 2
Munir Rusan
Fertilizers
wastewater
fertigation
soil fertility
water treatment and reuse
Metrics
H-Index
i10 Index
Citation
33
53
4,677
* Rankings
Ranking Based On Selection: 3
Mohammad Noor Alhamad
Agriculture & Forestry: Ecology
remote sensing
GIS
environment
natural resources
Metrics
H-Index
i10 Index
Citation
31
56
2,872
* Rankings
Ranking Based On Selection: 5
Nezar Samarah
Crop science
Seed science
seed germination
drought
desiccation tolerance
Metrics
H-Index
i10 Index
Citation
27
48
3,134
* Rankings
Ranking Based On Selection: 7
Ammar A Albalasmeh
Soil Science
Non-Conventional Water
Soil hydraulic properties
Biochar production and application
Soilless and hydroponic cul
Metrics
H-Index
i10 Index
Citation
19
30
2,126
* Rankings
Ranking Based On Selection: 9
SA Khresat
Land degradation
climate change adaptation
soil science
land managment
Metrics
H-Index
i10 Index
Citation
15
17
1,071

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* Rankings
Ranking Based On Selection: 11
Rami Alkhatib
Plant Sciences
Molecular Biology
Electron Microscopy
Metrics
H-Index
i10 Index
Citation
12
15
424
* Rankings
Ranking Based On Selection: 12
Mohammad Al Gharaibeh
Invasive plant
Plant ecology
Biodiversity
Systematics
Medicinal plant
Metrics
H-Index
i10 Index
Citation
12
13
1,264
* Rankings
Ranking Based On Selection: 17
Hy Al-Omari
reproduction in farm animal
andrology
poultry farm management and animal health
Metrics
H-Index
i10 Index
Citation
4
1
33
Rankings
Ranking Based On Selection: 1
Ghazi Al Karaki
Metrics
H-Index
i10 Index
Citation Counts
34
55
6,072
Food and Agriculture
Plant stress physiology
Soilless and hydroponic culture
Rankings
Ranking Based On Selection: 2
Munir Rusan
Metrics
H-Index
i10 Index
Citation Counts
33
53
4,677
Fertilizers
wastewater
fertigation
soil fertility
water treatment and reuse
Rankings
Ranking Based On Selection: 3
Mohammad Noor Alhamad
Metrics
H-Index
i10 Index
Citation Counts
31
56
2,872
Agriculture & Forestry: Ecology
remote sensing
GIS
environment
natural resources
Rankings
Ranking Based On Selection: 4
Munir Turk
Metrics
H-Index
i10 Index
Citation Counts
31
70
3,758
Rankings
Ranking Based On Selection: 5
Nezar Samarah
Metrics
H-Index
i10 Index
Citation Counts
27
48
3,134
Crop science
Seed science
seed germination
drought
desiccation tolerance
Rankings
Ranking Based On Selection: 6
Mamoun Gharaibeh
Metrics
H-Index
i10 Index
Citation Counts
21
33
1,419
Rankings
Ranking Based On Selection: 7
Ammar A Albalasmeh
Metrics
H-Index
i10 Index
Citation Counts
19
30
2,126
Soil Science
Non-Conventional Water
Soil hydraulic properties
Biochar production and application
Soilless and hydroponic cul
Rankings
Ranking Based On Selection: 8
Mohammad Ajlouni
Metrics
H-Index
i10 Index
Citation Counts
17
27
1,355
Rankings
Ranking Based On Selection: 9
SA Khresat
Metrics
H-Index
i10 Index
Citation Counts
15
17
1,071
Land degradation
climate change adaptation
soil science
land managment

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Rami Alkhatib
Metrics
H-Index
i10 Index
Citation Counts
12
15
424
Plant Sciences
Molecular Biology
Electron Microscopy
Rankings
Ranking Based On Selection: 12
Mohammad Al Gharaibeh
Metrics
H-Index
i10 Index
Citation Counts
12
13
1,264
Invasive plant
Plant ecology
Biodiversity
Systematics
Medicinal plant
Rankings
Ranking Based On Selection: 13
Firas Abu El Samen
Metrics
H-Index
i10 Index
Citation Counts
10
10
539
Plant Pathology
genetics
plant pathogen interactions
Rankings
Ranking Based On Selection: 14
Mohammad Obeidat
Metrics
H-Index
i10 Index
Citation Counts
9
9
277
Animal Breeding
Fetal Programming
animal welfare
Rankings
Ranking Based On Selection: 15
Basheer Nusairat
Metrics
H-Index
i10 Index
Citation Counts
9
9
258
Rankings
Ranking Based On Selection: 16
Mohammad Al-Salem
Metrics
H-Index
i10 Index
Citation Counts
4
2
208
Rankings
Ranking Based On Selection: 17
Hy Al-Omari
Metrics
H-Index
i10 Index
Citation Counts
4
1
33
reproduction in farm animal
andrology
poultry farm management and animal health
Rankings
Ranking Based On Selection: 18
Hassan Ghozlan
Metrics
H-Index
i10 Index
Citation Counts
1
0
3