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" (941,641 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: 3
Zainab Sabry Othman Ahmed
Histology
Cell Biology
Cancer Therapy
Stem cells applications
Nanoparticles applications.
Metrics
H-Index
i10 Index
Citation
10
11
273
* Rankings
Ranking Based On Selection: 7
Emad H. El-Bilawy
Microbial biotechnology
Microbial toxins
Environmental Microbiology
Metrics
H-Index
i10 Index
Citation
9
8
190

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* Rankings
Ranking Based On Selection: 11
Hala Ragab
dental esthetics
adhesive dentistry
caries
composite resin
Metrics
H-Index
i10 Index
Citation
7
5
178
* Rankings
Ranking Based On Selection: 16
Ramy Elsergany
Drug Delivery
Material Science and Engineering
Physical Pharmacy
Formulation
Crystal Engineering
Metrics
H-Index
i10 Index
Citation
6
4
179
* Rankings
Ranking Based On Selection: 18
Wael Mf Abdel-Rehim
Parallel computing
scheduling problems
optimization
Machine Learning
Deep Learning
Metrics
H-Index
i10 Index
Citation
6
4
123
* Rankings
Ranking Based On Selection: 19
Reem Mabrouk
nursing administration
patient safety
quality of care
leadership
human resources management
Metrics
H-Index
i10 Index
Citation
6
3
106
* Rankings
Ranking Based On Selection: 26
Ahmed Ismaeel
Applied Mathematics
drug delivery
cancer treatment
asymptotic analysis
Metrics
H-Index
i10 Index
Citation
5
3
61
* Rankings
Ranking Based On Selection: 29
Ahmad Mohammad Abbas
Biotechnology
Medical microbiology
Immunology
Molecular biology
Public health
Metrics
H-Index
i10 Index
Citation
5
3
66
* Rankings
Ranking Based On Selection: 31
Mohamed Aa Bassiony|Mohamed A Bassiony
Internal medicine
Gastroenterology
Hepatology
Liver transplantation
Metrics
H-Index
i10 Index
Citation
4
3
82
* Rankings
Ranking Based On Selection: 33
Mervat. Mn Ahmed
Microbiology -Poultry - Biotechnology - Embryology - Nutrition
Metrics
H-Index
i10 Index
Citation
4
2
48
* Rankings
Ranking Based On Selection: 47
Menshawy Badr
Human Capital
Economic Development
Labor Economics
Applied Microeconometrics
Metrics
H-Index
i10 Index
Citation
3
1
41
* Rankings
Ranking Based On Selection: 48
Hany Shawky Nadim
cardiovascular biology
neurobiology
cell culture
immunocytochemistry
electron microscopy
Metrics
H-Index
i10 Index
Citation
3
3
120
* Rankings
Ranking Based On Selection: 51
Ahmed Gamal Elkattan
Artificial Intelligence
Service Robots
Machine Learning
Data Analytics
Metrics
H-Index
i10 Index
Citation
2
1
18
* Rankings
Ranking Based On Selection: 54
Hesham Harb
IVF- ICSI-Gynecologic Oncology- Sexual Medicine
Metrics
H-Index
i10 Index
Citation
2
0
16
* Rankings
Ranking Based On Selection: 57
Fatma Ismail
Computational linguistics
Psycholinguistics
Pragmatics
Corpus linguistics
Metrics
H-Index
i10 Index
Citation
1
1
56
Rankings
Ranking Based On Selection: 1
Ahmed Abdou
Metrics
H-Index
i10 Index
Citation Counts
17
30
909
Rankings
Ranking Based On Selection: 2
Rabab A. Rasheed
Metrics
H-Index
i10 Index
Citation Counts
13
16
685
Rankings
Ranking Based On Selection: 3
Zainab Sabry Othman Ahmed
Metrics
H-Index
i10 Index
Citation Counts
10
11
273
Histology
Cell Biology
Cancer Therapy
Stem cells applications
Nanoparticles applications.
Rankings
Ranking Based On Selection: 4
Mohamed K. El-Ashrey
Metrics
H-Index
i10 Index
Citation Counts
10
10
255
Rankings
Ranking Based On Selection: 5
Mohamed Z. Habib|Mohamed Habib
Metrics
H-Index
i10 Index
Citation Counts
9
9
232
Pharmacology - Clinical Pharmacology - Neuropsychopharmacology
Rankings
Ranking Based On Selection: 6
Mohamed Tolan
Metrics
H-Index
i10 Index
Citation Counts
9
9
156
Rankings
Ranking Based On Selection: 7
Emad H. El-Bilawy
Metrics
H-Index
i10 Index
Citation Counts
9
8
190
Microbial biotechnology
Microbial toxins
Environmental Microbiology
Rankings
Ranking Based On Selection: 8
Tamer Mohamed Abbas
Metrics
H-Index
i10 Index
Citation Counts
9
6
246
Rankings
Ranking Based On Selection: 9
Gamal Elnashar
Metrics
H-Index
i10 Index
Citation Counts
8
5
177
Rankings
Ranking Based On Selection: 10
Noha M. Abu Bakr Elsaid
Metrics
H-Index
i10 Index
Citation Counts
7
6
263

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
Hala Ragab
Metrics
H-Index
i10 Index
Citation Counts
7
5
178
dental esthetics
adhesive dentistry
caries
composite resin
Rankings
Ranking Based On Selection: 12
Ahmed Mosaad Mabrouk
Metrics
H-Index
i10 Index
Citation Counts
7
4
129
Rankings
Ranking Based On Selection: 13
Manal Afify
Metrics
H-Index
i10 Index
Citation Counts
7
3
189
Rankings
Ranking Based On Selection: 14
Faten M. Hussien
Metrics
H-Index
i10 Index
Citation Counts
6
6
183
Rankings
Ranking Based On Selection: 15
Amal H. Eissa
Metrics
H-Index
i10 Index
Citation Counts
6
5
135
immunology / medical education
Rankings
Ranking Based On Selection: 16
Ramy Elsergany
Metrics
H-Index
i10 Index
Citation Counts
6
4
179
Drug Delivery
Material Science and Engineering
Physical Pharmacy
Formulation
Crystal Engineering
Rankings
Ranking Based On Selection: 17
Abbadi Elkadi
Metrics
H-Index
i10 Index
Citation Counts
6
4
149
Rankings
Ranking Based On Selection: 18
Wael Mf Abdel-Rehim
Metrics
H-Index
i10 Index
Citation Counts
6
4
123
Parallel computing
scheduling problems
optimization
Machine Learning
Deep Learning
Rankings
Ranking Based On Selection: 19
Reem Mabrouk
Metrics
H-Index
i10 Index
Citation Counts
6
3
106
nursing administration
patient safety
quality of care
leadership
human resources management
Rankings
Ranking Based On Selection: 20
Mohamed Othman Mohamed
Metrics
H-Index
i10 Index
Citation Counts
5
5
145
Anatomy
Basic Medical Sciences
Rankings
Ranking Based On Selection: 21
M. Noshy
Metrics
H-Index
i10 Index
Citation Counts
5
4
269
Oncology Clinical Pharmacist
Rankings
Ranking Based On Selection: 22
Ahmed Ali
Metrics
H-Index
i10 Index
Citation Counts
5
4
132
Engineering Mathematics
Rankings
Ranking Based On Selection: 23
Mma Elshaer
Metrics
H-Index
i10 Index
Citation Counts
5
4
65
Rankings
Ranking Based On Selection: 24
Islam Ahmed (Bpharm, Msc, Pharmd, Msce)
Metrics
H-Index
i10 Index
Citation Counts
5
3
263
Rankings
Ranking Based On Selection: 25
Samy Abd El-Nabi
Metrics
H-Index
i10 Index
Citation Counts
5
3
132
Artificial Intelligence Engineering
Rankings
Ranking Based On Selection: 26
Ahmed Ismaeel
Metrics
H-Index
i10 Index
Citation Counts
5
3
61
Applied Mathematics
drug delivery
cancer treatment
asymptotic analysis
Rankings
Ranking Based On Selection: 27
Jylan El-Guindy
Metrics
H-Index
i10 Index
Citation Counts
5
4
131
Rankings
Ranking Based On Selection: 28
Rabab Tawfik Mubarak
Metrics
H-Index
i10 Index
Citation Counts
5
4
128
Rankings
Ranking Based On Selection: 29
Ahmad Mohammad Abbas
Metrics
H-Index
i10 Index
Citation Counts
5
3
66
Biotechnology
Medical microbiology
Immunology
Molecular biology
Public health
Rankings
Ranking Based On Selection: 30
Mohamed Dagher
Metrics
H-Index
i10 Index
Citation Counts
5
3
76
Rankings
Ranking Based On Selection: 31
Mohamed Aa Bassiony|Mohamed A Bassiony
Metrics
H-Index
i10 Index
Citation Counts
4
3
82
Internal medicine
Gastroenterology
Hepatology
Liver transplantation
Rankings
Ranking Based On Selection: 32
Ahmed Refaat
Metrics
H-Index
i10 Index
Citation Counts
4
2
50
Rankings
Ranking Based On Selection: 33
Mervat. Mn Ahmed
Metrics
H-Index
i10 Index
Citation Counts
4
2
48
Microbiology -Poultry - Biotechnology - Embryology - Nutrition
Rankings
Ranking Based On Selection: 34
Mai Hamdy Ragab
Metrics
H-Index
i10 Index
Citation Counts
4
1
50
Rankings
Ranking Based On Selection: 35
Sherief Mohsen
Metrics
H-Index
i10 Index
Citation Counts
4
1
45
Rankings
Ranking Based On Selection: 37
Mohamed Tarek
Metrics
H-Index
i10 Index
Citation Counts
3
2
32
Rankings
Ranking Based On Selection: 38
Eglal Hakeim
Metrics
H-Index
i10 Index
Citation Counts
3
1
33
Rankings
Ranking Based On Selection: 39
Amany Abdelfattah
Metrics
H-Index
i10 Index
Citation Counts
3
1
33
Rankings
Ranking Based On Selection: 40
Zizi Fikry Mohamed Abdelrasol
Metrics
H-Index
i10 Index
Citation Counts
3
1
28
Rankings
Ranking Based On Selection: 41
Fatma Adel Saad
Metrics
H-Index
i10 Index
Citation Counts
3
0
25
Rankings
Ranking Based On Selection: 42
Osama Ahmed Hussein Mohamed
Metrics
H-Index
i10 Index
Citation Counts
3
0
23
Rankings
Ranking Based On Selection: 43
Mona Faheem
Metrics
H-Index
i10 Index
Citation Counts
3
0
20
Rankings
Ranking Based On Selection: 44
Rankings
Ranking Based On Selection: 45
Rasha Sayed Mahmoud Ibrahim
Metrics
H-Index
i10 Index
Citation Counts
3
0
16
Architecture - climate - landscape - urban
Rankings
Ranking Based On Selection: 46
Ghada Abdel Fattah
Metrics
H-Index
i10 Index
Citation Counts
3
1
55
Rankings
Ranking Based On Selection: 47
Menshawy Badr
Metrics
H-Index
i10 Index
Citation Counts
3
1
41
Human Capital
Economic Development
Labor Economics
Applied Microeconometrics
Rankings
Ranking Based On Selection: 48
Hany Shawky Nadim
Metrics
H-Index
i10 Index
Citation Counts
3
3
120
cardiovascular biology
neurobiology
cell culture
immunocytochemistry
electron microscopy
Rankings
Ranking Based On Selection: 49
Kareem A. Rashwan
Metrics
H-Index
i10 Index
Citation Counts
2
2
49
Rankings
Ranking Based On Selection: 50
Dr Ahmed Samir
Metrics
H-Index
i10 Index
Citation Counts
2
1
26
Rankings
Ranking Based On Selection: 51
Ahmed Gamal Elkattan
Metrics
H-Index
i10 Index
Citation Counts
2
1
18
Artificial Intelligence
Service Robots
Machine Learning
Data Analytics
Rankings
Ranking Based On Selection: 52
Marwa Mostafa
Metrics
H-Index
i10 Index
Citation Counts
2
1
17
Rankings
Ranking Based On Selection: 53
Reem Ashraf
Metrics
H-Index
i10 Index
Citation Counts
2
0
24
Rankings
Ranking Based On Selection: 54
Hesham Harb
Metrics
H-Index
i10 Index
Citation Counts
2
0
16
IVF- ICSI-Gynecologic Oncology- Sexual Medicine
Rankings
Ranking Based On Selection: 55
Medhat A. Samra|Medhat Ahmed Samra
Metrics
H-Index
i10 Index
Citation Counts
2
0
16
Urban design - digital architecture
Rankings
Ranking Based On Selection: 56
Riham Tahoun
Metrics
H-Index
i10 Index
Citation Counts
2
1
21
Rankings
Ranking Based On Selection: 57
Fatma Ismail
Metrics
H-Index
i10 Index
Citation Counts
1
1
56
Computational linguistics
Psycholinguistics
Pragmatics
Corpus linguistics
Rankings
Ranking Based On Selection: 58
Dennis Hayaty
Metrics
H-Index
i10 Index
Citation Counts
1
1
56
Rankings
Ranking Based On Selection: 59
Noha Alzughbi
Metrics
H-Index
i10 Index
Citation Counts
1
1
26
Linguistics
Intercultural Communication
and Translation
Rankings
Ranking Based On Selection: 60
Haytham Essam
Metrics
H-Index
i10 Index
Citation Counts
1
1
16
Rankings
Ranking Based On Selection: 61
Mohab Ali Abdelqawy
Metrics
H-Index
i10 Index
Citation Counts
1
1
15
Rankings
Ranking Based On Selection: 63
Mariam A. El Nabawy|Mariam Mohamed Abdelhady El Nabawy
Metrics
H-Index
i10 Index
Citation Counts
0
0
0
Medicinal plants & Plant Biotechnology