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
Randah R Hamadeh
Noncommunicable diseases
cancer
smoking
global health
mental health
Metrics
H-Index
i10 Index
Citation
66
118
151,194
* Rankings
Ranking Based On Selection: 2
Moiz Bakhiet
Immunology
Neurology
Molecular Medicine
Metrics
H-Index
i10 Index
Citation
49
129
8,491
* Rankings
Ranking Based On Selection: 3
Khaled Greish
Nanomedicine
Drug targeting
Tumor vascular biology
Metrics
H-Index
i10 Index
Citation
48
95
11,323
* Rankings
Ranking Based On Selection: 7
Sebastien Taurin
Cancer
molecular biology
proteomics
nanomedicine
tyrosine kinase
Metrics
H-Index
i10 Index
Citation
32
60
3,800

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* Rankings
Ranking Based On Selection: 11
Mohamed A Sabry
Human Genetics
Medical Biochemistry
Metabolism
Neuroscience
Metrics
H-Index
i10 Index
Citation
27
80
3,169
* Rankings
Ranking Based On Selection: 13
Adel Bouhoula
Network Security
Cryptography
Validation of cryptographic protocols
Automated Reasoning.
Metrics
H-Index
i10 Index
Citation
27
65
2,665
* Rankings
Ranking Based On Selection: 14
Potu Bath Kumar
Gross Anatomy
Applied Anatomy
Morphology
Histology
Embryology
Metrics
H-Index
i10 Index
Citation
26
61
2,300
* Rankings
Ranking Based On Selection: 16
Abdelaziz Elamin
Pediatric endocrine & metabolic diseases
clinical nutrition
medical education
Metrics
H-Index
i10 Index
Citation
24
32
2,089
* Rankings
Ranking Based On Selection: 18
Dahmani Fathallah
Molecular Biology
Molecular Genetics
Immunology
Structural Biology
Synthetic Biology
Metrics
H-Index
i10 Index
Citation
23
38
1,964
* Rankings
Ranking Based On Selection: 19
Alnaser WE
Renewable Energy
Material Science
Environmental Physics
Astronomy and space Science
Metrics
H-Index
i10 Index
Citation
22
40
2,013
* Rankings
Ranking Based On Selection: 20
Odeh Al Jayyousi
innovation policy
eco-innovation
sustainability
NIS
Metrics
H-Index
i10 Index
Citation
21
37
2,170
* Rankings
Ranking Based On Selection: 21
Ahmed M. Abdulla Alabbasi|Ahmed M. Abdulla
creativity
gifted education
divergent thinking
problem finding
meta-analysis
Metrics
H-Index
i10 Index
Citation
20
27
1,362
* Rankings
Ranking Based On Selection: 25
Soud Almahamid
Business Administration
Innovation Mangement
E-Business & E-Commerce
SMART PLS
Atlas Ti
Metrics
H-Index
i10 Index
Citation
17
26
1,288
* Rankings
Ranking Based On Selection: 28
Rustom M Mamlook
Intelligent Clean Tech. Mngt.
Fuzzy Decision Controller Systems
Information Tech. Mngt
Nano Tech.
Metrics
H-Index
i10 Index
Citation
14
19
1,342
* Rankings
Ranking Based On Selection: 29
Yas Alsultanny
Information Systems and Technology Management
Metrics
H-Index
i10 Index
Citation
14
18
676
* Rankings
Ranking Based On Selection: 31
Said M Aj Shawar
Molecular Biology
Biochemistry
Genetics
Immunology
Metrics
H-Index
i10 Index
Citation
14
15
1,024
* Rankings
Ranking Based On Selection: 32
Safa Taha
Molecular Medicine
Metrics
H-Index
i10 Index
Citation
13
17
536
* Rankings
Ranking Based On Selection: 33
Jamal Elfaki
Environmental Soil Chemistry
Soil Pollution
Soil Remediation
Smart Farming
Sustainable Agricultu
Metrics
H-Index
i10 Index
Citation
13
14
762
* Rankings
Ranking Based On Selection: 35
Khaled Tabbara
Immunology
Microbiology
Infectious Diseases...
Metrics
H-Index
i10 Index
Citation
11
14
609
* Rankings
Ranking Based On Selection: 37
Ashraf El Nayal
petroleum microbiology
bio desulfurization
waste water microbiology
Metrics
H-Index
i10 Index
Citation
10
10
363
* Rankings
Ranking Based On Selection: 38
Nadir A Hameid Mohamed
GIS
RS
and Environment
Metrics
H-Index
i10 Index
Citation
10
11
260
* Rankings
Ranking Based On Selection: 39
Malabika Roy Pathak
Plant Biotechnology and Molecular Biology
Metrics
H-Index
i10 Index
Citation
10
11
1,103
* Rankings
Ranking Based On Selection: 42
Abdelhadi AW
water relations irrigation water management climate change
Metrics
H-Index
i10 Index
Citation
9
9
461
* Rankings
Ranking Based On Selection: 44
Wael Amin Nasr El-Din
Clinical Anatomy
Radiological Anatomy
Histopathology
Neuroscience
Medical Education
Metrics
H-Index
i10 Index
Citation
8
6
258
* Rankings
Ranking Based On Selection: 51
Salman Alzayani
Public Health
Health Policy
Community Medicine
Medical Education
Metrics
H-Index
i10 Index
Citation
6
5
115
* Rankings
Ranking Based On Selection: 52
Anfal Jasim
Genetics
Molecular Medicine
Nanomedicine
Biochemical Genetics
Metrics
H-Index
i10 Index
Citation
5
5
111
* Rankings
Ranking Based On Selection: 53
Mohd Shadab
AMR & ARGs
Medical Microbiology
WGS of SARS CoV2
Cell Culture
Metagenomics
Metrics
H-Index
i10 Index
Citation
5
5
82
* Rankings
Ranking Based On Selection: 54
Afaf Bugawa
Web 2.0
technology in education
wearable technology
innovation management
Metrics
H-Index
i10 Index
Citation
5
4
282
* Rankings
Ranking Based On Selection: 57
Sabah Aljenaid
GIS
Remote Sensing
Coastal Vulnerability and Adaption
Climate Change
Metrics
H-Index
i10 Index
Citation
4
3
75
* Rankings
Ranking Based On Selection: 58
Sumaya Yusuf Hasan Abbas
Sustainability
Waste Management
Waste to Energy
Feasibility studies
socio-economic studies
Metrics
H-Index
i10 Index
Citation
4
3
64
* Rankings
Ranking Based On Selection: 59
Wid Daghustani
 Vulnerable and marginalised groups  Special education  Social justice  Research Ethics
Metrics
H-Index
i10 Index
Citation
4
2
133
* Rankings
Ranking Based On Selection: 60
Dana Ashoor
cancer immunotherapy
protein engineering
Metrics
H-Index
i10 Index
Citation
4
2
39
* Rankings
Ranking Based On Selection: 61
Fatema Ebrahim Habbash
family medicine
mental health
medical education
team and leadership
Metrics
H-Index
i10 Index
Citation
4
1
52
* Rankings
Ranking Based On Selection: 62
Naseraldeen Asadalla
Ecology
Wildlife Management
Invasive Species Management
Ornithology
Geoinformatics
Metrics
H-Index
i10 Index
Citation
4
2
95
* Rankings
Ranking Based On Selection: 63
Abdullah Alsaleh
Microbiology
Immunology
Infectious diseases
Epidemiology
Mycology
Metrics
H-Index
i10 Index
Citation
3
2
48
* Rankings
Ranking Based On Selection: 66
Nagi M Bakhit
Gross Anatomy
Neuroscience
Histology and Embryology
Metrics
H-Index
i10 Index
Citation
3
1
30
* Rankings
Ranking Based On Selection: 67
Maryam Mohamed Zainal
Healthcare
Radiology
Innovation
Medical Quality
Metrics
H-Index
i10 Index
Citation
3
0
13
* Rankings
Ranking Based On Selection: 68
Omar Khaldoon Abahussain
software engineering
software security
cybersecurity
source code securing
Metrics
H-Index
i10 Index
Citation
3
1
21
* Rankings
Ranking Based On Selection: 69
Salman Riaz
Medical education
Clinical skills
Curriculum development
Faculty development
Simulation
Metrics
H-Index
i10 Index
Citation
2
2
24
* Rankings
Ranking Based On Selection: 78
Malek Awawdeh
creativity
psychometric assessment
statistical analysis.
Metrics
H-Index
i10 Index
Citation
1
0
5
Rankings
Ranking Based On Selection: 1
Randah R Hamadeh
Metrics
H-Index
i10 Index
Citation Counts
66
118
151,194
Noncommunicable diseases
cancer
smoking
global health
mental health
Rankings
Ranking Based On Selection: 2
Moiz Bakhiet
Metrics
H-Index
i10 Index
Citation Counts
49
129
8,491
Rankings
Ranking Based On Selection: 3
Khaled Greish
Metrics
H-Index
i10 Index
Citation Counts
48
95
11,323
Rankings
Ranking Based On Selection: 4
Diaa Rizk
Metrics
H-Index
i10 Index
Citation Counts
39
83
10,343
Rankings
Ranking Based On Selection: 5
Mohamed Ridha Barbouche
Metrics
H-Index
i10 Index
Citation Counts
35
72
5,272
Rankings
Ranking Based On Selection: 6
CM Durugbo
Metrics
H-Index
i10 Index
Citation Counts
33
68
3,360
Rankings
Ranking Based On Selection: 7
Sebastien Taurin
Metrics
H-Index
i10 Index
Citation Counts
32
60
3,800
Cancer
molecular biology
proteomics
nanomedicine
tyrosine kinase
Rankings
Ranking Based On Selection: 8
Kannan Sridharan
Metrics
H-Index
i10 Index
Citation Counts
31
79
4,248
Rankings
Ranking Based On Selection: 9
Abdel Halim Salem
Metrics
H-Index
i10 Index
Citation Counts
30
58
4,657
Rankings
Ranking Based On Selection: 10
Afif Ben Salah
Metrics
H-Index
i10 Index
Citation Counts
29
58
3,140

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
Mohamed A Sabry
Metrics
H-Index
i10 Index
Citation Counts
27
80
3,169
Human Genetics
Medical Biochemistry
Metabolism
Neuroscience
Rankings
Ranking Based On Selection: 12
Rankings
Ranking Based On Selection: 13
Adel Bouhoula
Metrics
H-Index
i10 Index
Citation Counts
27
65
2,665
Network Security
Cryptography
Validation of cryptographic protocols
Automated Reasoning.
Rankings
Ranking Based On Selection: 14
Potu Bath Kumar
Metrics
H-Index
i10 Index
Citation Counts
26
61
2,300
Gross Anatomy
Applied Anatomy
Morphology
Histology
Embryology
Rankings
Ranking Based On Selection: 15
Reginald P Sequeira
Metrics
H-Index
i10 Index
Citation Counts
25
57
2,952
Rankings
Ranking Based On Selection: 16
Abdelaziz Elamin
Metrics
H-Index
i10 Index
Citation Counts
24
32
2,089
Pediatric endocrine & metabolic diseases
clinical nutrition
medical education
Rankings
Ranking Based On Selection: 17
Al Khaja Ka Kaj Al Khaja
Metrics
H-Index
i10 Index
Citation Counts
23
42
1,974
Rankings
Ranking Based On Selection: 18
Dahmani Fathallah
Metrics
H-Index
i10 Index
Citation Counts
23
38
1,964
Molecular Biology
Molecular Genetics
Immunology
Structural Biology
Synthetic Biology
Rankings
Ranking Based On Selection: 19
Alnaser WE
Metrics
H-Index
i10 Index
Citation Counts
22
40
2,013
Renewable Energy
Material Science
Environmental Physics
Astronomy and space Science
Rankings
Ranking Based On Selection: 20
Odeh Al Jayyousi
Metrics
H-Index
i10 Index
Citation Counts
21
37
2,170
innovation policy
eco-innovation
sustainability
NIS
Rankings
Ranking Based On Selection: 21
Ahmed M. Abdulla Alabbasi|Ahmed M. Abdulla
Metrics
H-Index
i10 Index
Citation Counts
20
27
1,362
creativity
gifted education
divergent thinking
problem finding
meta-analysis
Rankings
Ranking Based On Selection: 22
Khalid M Bindayna
Metrics
H-Index
i10 Index
Citation Counts
20
28
1,416
Rankings
Ranking Based On Selection: 23
Mohamed Shehata
Metrics
H-Index
i10 Index
Citation Counts
18
22
1,367
Rankings
Ranking Based On Selection: 24
Ahmed Jaradat
Metrics
H-Index
i10 Index
Citation Counts
18
26
1,212
Rankings
Ranking Based On Selection: 25
Soud Almahamid
Metrics
H-Index
i10 Index
Citation Counts
17
26
1,288
Business Administration
Innovation Mangement
E-Business & E-Commerce
SMART PLS
Atlas Ti
Rankings
Ranking Based On Selection: 26
Yasin Tayem
Metrics
H-Index
i10 Index
Citation Counts
16
26
950
Rankings
Ranking Based On Selection: 27
Yahya Naguib
Metrics
H-Index
i10 Index
Citation Counts
15
16
968
Rankings
Ranking Based On Selection: 28
Rustom M Mamlook
Metrics
H-Index
i10 Index
Citation Counts
14
19
1,342
Intelligent Clean Tech. Mngt.
Fuzzy Decision Controller Systems
Information Tech. Mngt
Nano Tech.
Rankings
Ranking Based On Selection: 29
Yas Alsultanny
Metrics
H-Index
i10 Index
Citation Counts
14
18
676
Rankings
Ranking Based On Selection: 30
Durjoy Shome
Metrics
H-Index
i10 Index
Citation Counts
14
18
577
Rankings
Ranking Based On Selection: 31
Said M Aj Shawar
Metrics
H-Index
i10 Index
Citation Counts
14
15
1,024
Molecular Biology
Biochemistry
Genetics
Immunology
Rankings
Ranking Based On Selection: 32
Safa Taha
Metrics
H-Index
i10 Index
Citation Counts
13
17
536
Rankings
Ranking Based On Selection: 33
Jamal Elfaki
Metrics
H-Index
i10 Index
Citation Counts
13
14
762
Environmental Soil Chemistry
Soil Pollution
Soil Remediation
Smart Farming
Sustainable Agricultu
Rankings
Ranking Based On Selection: 34
Cristina Skrypnyk
Metrics
H-Index
i10 Index
Citation Counts
13
14
717
Rankings
Ranking Based On Selection: 35
Khaled Tabbara
Metrics
H-Index
i10 Index
Citation Counts
11
14
609
Immunology
Microbiology
Infectious Diseases...
Rankings
Ranking Based On Selection: 36
Henry James
Metrics
H-Index
i10 Index
Citation Counts
11
11
1,026
Rankings
Ranking Based On Selection: 37
Ashraf El Nayal
Metrics
H-Index
i10 Index
Citation Counts
10
10
363
petroleum microbiology
bio desulfurization
waste water microbiology
Rankings
Ranking Based On Selection: 38
Nadir A Hameid Mohamed
Metrics
H-Index
i10 Index
Citation Counts
10
11
260
Rankings
Ranking Based On Selection: 39
Malabika Roy Pathak
Metrics
H-Index
i10 Index
Citation Counts
10
11
1,103
Rankings
Ranking Based On Selection: 40
Noureddine BEN KHALAF
Metrics
H-Index
i10 Index
Citation Counts
10
10
375
Rankings
Ranking Based On Selection: 41
Rima Abdul Razzak
Metrics
H-Index
i10 Index
Citation Counts
9
8
261
Rankings
Ranking Based On Selection: 42
Abdelhadi AW
Metrics
H-Index
i10 Index
Citation Counts
9
9
461
water relations irrigation water management climate change
Rankings
Ranking Based On Selection: 43
Mohammed Abbas
Metrics
H-Index
i10 Index
Citation Counts
8
7
259
Rankings
Ranking Based On Selection: 44
Wael Amin Nasr El-Din
Metrics
H-Index
i10 Index
Citation Counts
8
6
258
Clinical Anatomy
Radiological Anatomy
Histopathology
Neuroscience
Medical Education
Rankings
Ranking Based On Selection: 45
Ibrahim Abdel Gelil
Metrics
H-Index
i10 Index
Citation Counts
8
5
154
Rankings
Ranking Based On Selection: 46
Ahmed Abu-Taleb
Metrics
H-Index
i10 Index
Citation Counts
7
6
326
Rankings
Ranking Based On Selection: 47
Mohammad S Abido
Metrics
H-Index
i10 Index
Citation Counts
7
6
205
Rankings
Ranking Based On Selection: 48
Mohamed Alsenbesy
Metrics
H-Index
i10 Index
Citation Counts
7
5
152
Rankings
Ranking Based On Selection: 49
Fatima Al-Jasim
Metrics
H-Index
i10 Index
Citation Counts
6
5
269
Rankings
Ranking Based On Selection: 50
Sindhan Veeramuthu
Metrics
H-Index
i10 Index
Citation Counts
6
5
116
Rankings
Ranking Based On Selection: 51
Salman Alzayani
Metrics
H-Index
i10 Index
Citation Counts
6
5
115
Public Health
Health Policy
Community Medicine
Medical Education
Rankings
Ranking Based On Selection: 52
Anfal Jasim
Metrics
H-Index
i10 Index
Citation Counts
5
5
111
Genetics
Molecular Medicine
Nanomedicine
Biochemical Genetics
Rankings
Ranking Based On Selection: 53
Mohd Shadab
Metrics
H-Index
i10 Index
Citation Counts
5
5
82
AMR & ARGs
Medical Microbiology
WGS of SARS CoV2
Cell Culture
Metagenomics
Rankings
Ranking Based On Selection: 54
Afaf Bugawa
Metrics
H-Index
i10 Index
Citation Counts
5
4
282
Web 2.0
technology in education
wearable technology
innovation management
Rankings
Ranking Based On Selection: 55
Ayesha Fatima
Metrics
H-Index
i10 Index
Citation Counts
5
3
99
Rankings
Ranking Based On Selection: 56
Khalid Gaffer Mohamed
Metrics
H-Index
i10 Index
Citation Counts
4
3
85
Rankings
Ranking Based On Selection: 57
Sabah Aljenaid
Metrics
H-Index
i10 Index
Citation Counts
4
3
75
GIS
Remote Sensing
Coastal Vulnerability and Adaption
Climate Change
Rankings
Ranking Based On Selection: 58
Sumaya Yusuf Hasan Abbas
Metrics
H-Index
i10 Index
Citation Counts
4
3
64
Sustainability
Waste Management
Waste to Energy
Feasibility studies
socio-economic studies
Rankings
Ranking Based On Selection: 59
Wid Daghustani
Metrics
H-Index
i10 Index
Citation Counts
4
2
133
 Vulnerable and marginalised groups  Special education  Social justice  Research Ethics
Rankings
Ranking Based On Selection: 60
Dana Ashoor
Metrics
H-Index
i10 Index
Citation Counts
4
2
39
Rankings
Ranking Based On Selection: 61
Fatema Ebrahim Habbash
Metrics
H-Index
i10 Index
Citation Counts
4
1
52
family medicine
mental health
medical education
team and leadership
Rankings
Ranking Based On Selection: 62
Naseraldeen Asadalla
Metrics
H-Index
i10 Index
Citation Counts
4
2
95
Ecology
Wildlife Management
Invasive Species Management
Ornithology
Geoinformatics
Rankings
Ranking Based On Selection: 63
Abdullah Alsaleh
Metrics
H-Index
i10 Index
Citation Counts
3
2
48
Microbiology
Immunology
Infectious diseases
Epidemiology
Mycology
Rankings
Ranking Based On Selection: 64
Abdulla Mohamed
Metrics
H-Index
i10 Index
Citation Counts
3
2
38
Rankings
Ranking Based On Selection: 65
Noor Alshinawi
Metrics
H-Index
i10 Index
Citation Counts
3
2
34
Rankings
Ranking Based On Selection: 66
Nagi M Bakhit
Metrics
H-Index
i10 Index
Citation Counts
3
1
30
Gross Anatomy
Neuroscience
Histology and Embryology
Rankings
Ranking Based On Selection: 67
Maryam Mohamed Zainal
Metrics
H-Index
i10 Index
Citation Counts
3
0
13
Healthcare
Radiology
Innovation
Medical Quality
Rankings
Ranking Based On Selection: 68
Omar Khaldoon Abahussain
Metrics
H-Index
i10 Index
Citation Counts
3
1
21
software engineering
software security
cybersecurity
source code securing
Rankings
Ranking Based On Selection: 69
Salman Riaz
Metrics
H-Index
i10 Index
Citation Counts
2
2
24
Medical education
Clinical skills
Curriculum development
Faculty development
Simulation
Rankings
Ranking Based On Selection: 70
Nadia Tazi
Metrics
H-Index
i10 Index
Citation Counts
2
1
47
Rankings
Ranking Based On Selection: 71
Maryam Ashoor
Metrics
H-Index
i10 Index
Citation Counts
2
1
26
Rankings
Ranking Based On Selection: 72
Basheer Makarem
Metrics
H-Index
i10 Index
Citation Counts
2
1
25
Rankings
Ranking Based On Selection: 73
Mariam Alshirawi
Metrics
H-Index
i10 Index
Citation Counts
2
0
16
Rankings
Ranking Based On Selection: 74
Amina Abdulrahman Ismaeel
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 75
Deena A Kheyami
Metrics
H-Index
i10 Index
Citation Counts
2
1
104
Rankings
Ranking Based On Selection: 76
Ha Al-Noaimi
Metrics
H-Index
i10 Index
Citation Counts
1
1
29
Rankings
Ranking Based On Selection: 77
Elsayed Elkhamisi
Metrics
H-Index
i10 Index
Citation Counts
1
0
8
Rankings
Ranking Based On Selection: 78
Malek Awawdeh
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
creativity
psychometric assessment
statistical analysis.