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" (870,053 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
Samhaa R El Beltagy
Arabic Natural Language Processing
Text Mining
Information Extraction
Sentiment Analysis
Semantic Annotation
Metrics
H-Index
i10 Index
Citation
26
49
3,256
* Rankings
Ranking Based On Selection: 2
Ahmed Ihab Abdelaziz
Epigenetics
Liver Pathology
Molecular Cardiology
Metrics
H-Index
i10 Index
Citation
24
49
1,582
Haitham Samir
Architecture
Urban conservation
Heritage
Urban Design
Sustainability
Metrics
H-Index
i10 Index
Citation
7
5
140
Sally A Fahim
Biochemistry and Molecular biology
Bioinformatics
Oncology
Natural products
Metrics
H-Index
i10 Index
Citation
6
5
103

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* Rankings
Ranking Based On Selection: 12
Ahmed My Osman
Health Economics
Pharmacy Administration
Clinical Pharmacy Education
Infectious diseases
Metrics
H-Index
i10 Index
Citation
3
1
46
* Rankings
Ranking Based On Selection: 16
Hesham El-Samadony
Pulmonary medicine
nanomedicine
nanodiagnostics
nanotherapeutics
Metrics
H-Index
i10 Index
Citation
2
2
36
* Rankings
Ranking Based On Selection: 18
Dina El-Shihy
Digital Marketing Social Media Marketing Consumer Behavior Entrepreneurial Marketing
Metrics
H-Index
i10 Index
Citation
2
1
33
* Rankings
Ranking Based On Selection: 21
Rania S. Moaaz
Behavioral Economics
Economic Development
Political Economy
Metrics
H-Index
i10 Index
Citation
2
0
12
* Rankings
Ranking Based On Selection: 22
Ahmed A. El-Shihy
Architecture
Urban Design
Sustainability
Metrics
H-Index
i10 Index
Citation
1
1
28
Rankings
Ranking Based On Selection: 1
Samhaa R El Beltagy
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
26
49
3,256
Arabic Natural Language Processing
Text Mining
Information Extraction
Sentiment Analysis
Semantic Annotation
Rankings
Ranking Based On Selection: 2
Ahmed Ihab Abdelaziz
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
24
49
1,582
Epigenetics
Liver Pathology
Molecular Cardiology
Rankings
Ranking Based On Selection: 3
Mohamed Salah
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
10
11
267
Rankings
Ranking Based On Selection: 4
Injie Omar Fawzy
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
8
7
261
Rankings
Ranking Based On Selection: 5
Haitham Samir
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
7
5
140
Architecture
Urban conservation
Heritage
Urban Design
Sustainability
Rankings
Ranking Based On Selection: 6
Sally A Fahim
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
6
5
103
Biochemistry and Molecular biology
Bioinformatics
Oncology
Natural products
Rankings
Ranking Based On Selection: 7
Abdelrahman Yousry Afify
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
6
4
137
Rankings
Ranking Based On Selection: 8
Maryam Elahmady
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
4
3
199
Rankings
Ranking Based On Selection: 9
Mohammed Abdel Gawad
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
4
2
136
Rankings
Ranking Based On Selection: 10
Nour Aboushadi
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
3
2
132

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Rankings
Ranking Based On Selection: 11
Islam Elkhateb
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
3
1
54
Rankings
Ranking Based On Selection: 12
Ahmed My Osman
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
3
1
46
Health Economics
Pharmacy Administration
Clinical Pharmacy Education
Infectious diseases
Rankings
Ranking Based On Selection: 13
Sameh Abou-Steit|S Abou-Steit
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
3
1
30
Rankings
Ranking Based On Selection: 14
Amal Ali El Shimy
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
3
1
34
Rankings
Ranking Based On Selection: 15
Dawlat Salem
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
2
2
73
Rankings
Ranking Based On Selection: 16
Hesham El-Samadony
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
2
2
36
Pulmonary medicine
nanomedicine
nanodiagnostics
nanotherapeutics
Rankings
Ranking Based On Selection: 17
Yousef M. Husseiny
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
2
2
27
Rankings
Ranking Based On Selection: 18
Dina El-Shihy
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
2
1
33
Digital Marketing Social Media Marketing Consumer Behavior Entrepreneurial Marketing
Rankings
Ranking Based On Selection: 19
Mostafa Khaled Sedky
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
2
1
14
Rankings
Ranking Based On Selection: 20
Dina Abboud|D G Abboud, Dina G Abboud, D Abboud
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
2
0
24
Advertising
Graphic Design
Semiotics
Rankings
Ranking Based On Selection: 21
Rania S. Moaaz
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
2
0
12
Behavioral Economics
Economic Development
Political Economy
Rankings
Ranking Based On Selection: 22
Ahmed A. El-Shihy
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
1
1
28
Architecture
Urban Design
Sustainability
Rankings
Ranking Based On Selection: 23
Maged Hossameldin
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
1
1
19
Rankings
Ranking Based On Selection: 24
Ali Mousa
New Giza University 6th of October City, Egypt
Metrics
H-Index
i10 Index
Citation Counts
1
0
5