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: 5
Bassma Hassan Elwakil
Microbiology
Nanoparticles
Active metabolites
Natural products and their medical applications
Metrics
H-Index
i10 Index
Citation
16
26
636
* Rankings
Ranking Based On Selection: 6
Ashraf Ramadan Hafez
orthopedic Physical therapy
sports rehabilitation
therapeutic exercises
Metrics
H-Index
i10 Index
Citation
14
16
749
* Rankings
Ranking Based On Selection: 9
Mohamed Naim Anwar
Applied Mathematics
Mathematical Modeling
Numerical Modeling
Thermoelasticity
Mathematical Biology
Metrics
H-Index
i10 Index
Citation
14
15
625

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* Rankings
Ranking Based On Selection: 12
Ehssan Nassef
Polymer Engineerng
Enviromental Eng.
Water Pollution
petrochemical Eng
Petroleum Eng
Metrics
H-Index
i10 Index
Citation
12
15
863
* Rankings
Ranking Based On Selection: 15
Samar O.El-Ganainy
experimental pharmacology
toxicology
neuroscience
behavioral pharmacology
Metrics
H-Index
i10 Index
Citation
11
13
353
* Rankings
Ranking Based On Selection: 18
Mohamed S Abdel Latif
Microbiology
Biochemistry
Epigenetics
Immunology
Virology
Metrics
H-Index
i10 Index
Citation
11
11
547
* Rankings
Ranking Based On Selection: 19
Samy E Oraby
Metal Cutting
Machining
Conventional and Nontraditional Manufacturing Processes
CNC
CAE
Metrics
H-Index
i10 Index
Citation
11
12
603
* Rankings
Ranking Based On Selection: 23
NS Yousef
Modeling and simulation
Waste water treatment
Separation process
petroluem refining
nanotechnology
Metrics
H-Index
i10 Index
Citation
9
9
769
* Rankings
Ranking Based On Selection: 24
Basant A. Bakr
Zoology Physiology Histopathology
Metrics
H-Index
i10 Index
Citation
9
9
203
* Rankings
Ranking Based On Selection: 27
Mohamed Hamdy
Medical and Health Sciences
Pharmacy and Pharmaceutical Sciences
Metrics
H-Index
i10 Index
Citation
9
8
190
* Rankings
Ranking Based On Selection: 32
Faika Hassanein
Parasitology
Biotechnology
Immunology
Microbiology and Public Health
Metrics
H-Index
i10 Index
Citation
8
8
214
* Rankings
Ranking Based On Selection: 33
Ibrahim Ashraf Abdelwahab
Nanomedicine
Pharmaceutical Microbiology
Pharmacognosy
Immunology
Infectious diseases
Metrics
H-Index
i10 Index
Citation
8
7
179
* Rankings
Ranking Based On Selection: 39
Amany A. Salama
• Nutrition • Medicine • Inflammation • Polycystic ovary syndrome • Oncology
Metrics
H-Index
i10 Index
Citation
6
6
189
* Rankings
Ranking Based On Selection: 42
Mohamed I.Badawi
Biomedical Engineering ، Electrical and Electronic Engineering
Metamaterial
Nanotechnologies
Metrics
H-Index
i10 Index
Citation
6
5
127
* Rankings
Ranking Based On Selection: 51
Riham Nady Faragllah
Environmental Design-Urban Design-Building Science
Metrics
H-Index
i10 Index
Citation
5
4
223
* Rankings
Ranking Based On Selection: 57
Naema Ali
soil mechanics and foundation
Metrics
H-Index
i10 Index
Citation
5
3
99
* Rankings
Ranking Based On Selection: 67
Mona M. Abdelhamid
urban heritage
sustainable architecture design
urban resilience
construction technology
Metrics
H-Index
i10 Index
Citation
4
2
94
* Rankings
Ranking Based On Selection: 71
Basant A. Abou-Taleb
Pharmaceutical nanotechnology
Drug Delivery systems
Bioequivalent
Drug Targeting
Clinical and
Metrics
H-Index
i10 Index
Citation
4
0
38
* Rankings
Ranking Based On Selection: 72
Hesham M. Kamel
Inoganic Chemistry
Analytical Chemistry and Bioinorganic Chemistry
Metrics
H-Index
i10 Index
Citation
4
3
70
* Rankings
Ranking Based On Selection: 75
Mona A. Moustafa
Pharmaceutics
Novel drug delivery systems
Ocular drug delivery
Nanotechnology
Metrics
H-Index
i10 Index
Citation
3
3
142
* Rankings
Ranking Based On Selection: 79
Nourhan Mohamed Gaber
Green chemistry
Catalysis
Adsorption
Water treatment
Polymers
Metrics
H-Index
i10 Index
Citation
3
2
160
* Rankings
Ranking Based On Selection: 85
Essam Helmy
coastal protection port planning and design
offshore plat forms sea level rise and coastal erosion
Metrics
H-Index
i10 Index
Citation
3
2
36
* Rankings
Ranking Based On Selection: 92
Tamer M. Elsawy
Tourism Planning and Development
Data Quality and Information Systems
Metrics
H-Index
i10 Index
Citation
3
1
31
* Rankings
Ranking Based On Selection: 93
Ahmed M Eldrieny
bio medical physics
radiation physics
radiotherapy
nuclear medicine
Metrics
H-Index
i10 Index
Citation
3
1
26
* Rankings
Ranking Based On Selection: 97
Ingy Naguib
Architecture conservation
Green and sustainable architecture
Environmental studies
Metrics
H-Index
i10 Index
Citation
3
0
28
Amr Fouad
Management
Marketing
Human Resources
Hotel operation studies
Bibliometric Analysis
Metrics
H-Index
i10 Index
Citation
3
0
26
* Rankings
Ranking Based On Selection: 100
Nevien Mahmoud
Biochemistry
applied chemistry
molecular biology
environmental studies
medicine
Metrics
H-Index
i10 Index
Citation
3
0
20
Rankings
Ranking Based On Selection: 1
Mohamed Fahim
Metrics
H-Index
i10 Index
Citation Counts
34
76
4,156
Rankings
Ranking Based On Selection: 2
Abouzeid A Thabet
Metrics
H-Index
i10 Index
Citation Counts
21
24
1,590
Rankings
Ranking Based On Selection: 3
Ragwa M Farid
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,679
Rankings
Ranking Based On Selection: 4
Rasha Shaalan
Metrics
H-Index
i10 Index
Citation Counts
18
24
880
Rankings
Ranking Based On Selection: 5
Bassma Hassan Elwakil
Metrics
H-Index
i10 Index
Citation Counts
16
26
636
Microbiology
Nanoparticles
Active metabolites
Natural products and their medical applications
Rankings
Ranking Based On Selection: 6
Ashraf Ramadan Hafez
Metrics
H-Index
i10 Index
Citation Counts
14
16
749
orthopedic Physical therapy
sports rehabilitation
therapeutic exercises
Rankings
Ranking Based On Selection: 7
Hend Hussien
Metrics
H-Index
i10 Index
Citation Counts
14
15
1,122
Rankings
Ranking Based On Selection: 8
Haggag RS
Metrics
H-Index
i10 Index
Citation Counts
14
18
672
Rankings
Ranking Based On Selection: 9
Mohamed Naim Anwar
Metrics
H-Index
i10 Index
Citation Counts
14
15
625
Applied Mathematics
Mathematical Modeling
Numerical Modeling
Thermoelasticity
Mathematical Biology
Rankings
Ranking Based On Selection: 10
Wessam M El Refaie
Metrics
H-Index
i10 Index
Citation Counts
13
16
1,043

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: 12
Ehssan Nassef
Metrics
H-Index
i10 Index
Citation Counts
12
15
863
Polymer Engineerng
Enviromental Eng.
Water Pollution
petrochemical Eng
Petroleum Eng
Rankings
Ranking Based On Selection: 13
Mohamed AF Ragab
Metrics
H-Index
i10 Index
Citation Counts
12
13
1,347
Rankings
Ranking Based On Selection: 14
Wessam Salama
Metrics
H-Index
i10 Index
Citation Counts
11
14
546
Rankings
Ranking Based On Selection: 15
Samar O.El-Ganainy
Metrics
H-Index
i10 Index
Citation Counts
11
13
353
experimental pharmacology
toxicology
neuroscience
behavioral pharmacology
Rankings
Ranking Based On Selection: 16
Mostafa Elkhatib
Metrics
H-Index
i10 Index
Citation Counts
11
12
299
Rankings
Ranking Based On Selection: 17
Ming Ming Wen
Metrics
H-Index
i10 Index
Citation Counts
11
11
708
Rankings
Ranking Based On Selection: 18
Mohamed S Abdel Latif
Metrics
H-Index
i10 Index
Citation Counts
11
11
547
Microbiology
Biochemistry
Epigenetics
Immunology
Virology
Rankings
Ranking Based On Selection: 19
Samy E Oraby
Metrics
H-Index
i10 Index
Citation Counts
11
12
603
Metal Cutting
Machining
Conventional and Nontraditional Manufacturing Processes
CNC
CAE
Rankings
Ranking Based On Selection: 21
Sherihan Salaheldin Abdelhamid Ibrahim
Metrics
H-Index
i10 Index
Citation Counts
10
10
209
Rankings
Ranking Based On Selection: 22
El-Ghazouly, MG
Metrics
H-Index
i10 Index
Citation Counts
10
10
306
Rankings
Ranking Based On Selection: 23
NS Yousef
Metrics
H-Index
i10 Index
Citation Counts
9
9
769
Modeling and simulation
Waste water treatment
Separation process
petroluem refining
nanotechnology
Rankings
Ranking Based On Selection: 24
Basant A. Bakr
Metrics
H-Index
i10 Index
Citation Counts
9
9
203
Zoology Physiology Histopathology
Rankings
Ranking Based On Selection: 26
Sameh Yones
Metrics
H-Index
i10 Index
Citation Counts
9
8
179
Rankings
Ranking Based On Selection: 27
Mohamed Hamdy
Metrics
H-Index
i10 Index
Citation Counts
9
8
190
Medical and Health Sciences
Pharmacy and Pharmaceutical Sciences
Rankings
Ranking Based On Selection: 28
HBEl-Wakil
Metrics
H-Index
i10 Index
Citation Counts
9
9
266
Rankings
Ranking Based On Selection: 29
Mahmoud El Gammal
Metrics
H-Index
i10 Index
Citation Counts
9
9
325
Rankings
Ranking Based On Selection: 30
Tarek El Sewedy
Metrics
H-Index
i10 Index
Citation Counts
8
7
411
Rankings
Ranking Based On Selection: 31
Nesrine El-Mezayen
Metrics
H-Index
i10 Index
Citation Counts
8
7
220
Rankings
Ranking Based On Selection: 32
Faika Hassanein
Metrics
H-Index
i10 Index
Citation Counts
8
8
214
Parasitology
Biotechnology
Immunology
Microbiology and Public Health
Rankings
Ranking Based On Selection: 33
Ibrahim Ashraf Abdelwahab
Metrics
H-Index
i10 Index
Citation Counts
8
7
179
Nanomedicine
Pharmaceutical Microbiology
Pharmacognosy
Immunology
Infectious diseases
Rankings
Ranking Based On Selection: 34
Mohamed Saleh
Metrics
H-Index
i10 Index
Citation Counts
8
8
279
Rankings
Ranking Based On Selection: 35
Sobhi A. Soliman
Metrics
H-Index
i10 Index
Citation Counts
8
8
224
Analytical Chemistry
Pharmaceutical chemistry
Rankings
Ranking Based On Selection: 36
Riham Ragheb
Metrics
H-Index
i10 Index
Citation Counts
7
6
274
Rankings
Ranking Based On Selection: 37
Nourhan Fanaki
Metrics
H-Index
i10 Index
Citation Counts
7
7
250
Rankings
Ranking Based On Selection: 38
Nabil Rashwan
Metrics
H-Index
i10 Index
Citation Counts
7
7
165
Rankings
Ranking Based On Selection: 39
Amany A. Salama
Metrics
H-Index
i10 Index
Citation Counts
6
6
189
• Nutrition • Medicine • Inflammation • Polycystic ovary syndrome • Oncology
Rankings
Ranking Based On Selection: 40
Khaled Samir Aboulazm
Metrics
H-Index
i10 Index
Citation Counts
6
5
141
Rankings
Ranking Based On Selection: 41
Ahmed Noby
Metrics
H-Index
i10 Index
Citation Counts
6
5
140
Rankings
Ranking Based On Selection: 42
Mohamed I.Badawi
Metrics
H-Index
i10 Index
Citation Counts
6
5
127
Biomedical Engineering ، Electrical and Electronic Engineering
Metamaterial
Nanotechnologies
Rankings
Ranking Based On Selection: 43
Yasmine Elhamouly
Metrics
H-Index
i10 Index
Citation Counts
6
5
84
Rankings
Ranking Based On Selection: 44
Samar Bassam Moaz
Metrics
H-Index
i10 Index
Citation Counts
6
4
301
Rankings
Ranking Based On Selection: 45
Inas M. Masoud
Metrics
H-Index
i10 Index
Citation Counts
6
4
84
polymorphism
cancer
molecular biology
medical biomarker
Rankings
Ranking Based On Selection: 46
Ghada Ebrahim El Refaye
Metrics
H-Index
i10 Index
Citation Counts
6
3
127
Rankings
Ranking Based On Selection: 48
Osama El Masry
Metrics
H-Index
i10 Index
Citation Counts
6
5
241
Rankings
Ranking Based On Selection: 49
Mohamed G. Abou-Ali|Mohamed Abouali
Metrics
H-Index
i10 Index
Citation Counts
6
4
152
Expert Systems
Artificial Intelligence
Industrial Engineering and Management
Rankings
Ranking Based On Selection: 50
Saber M Sharaf
Metrics
H-Index
i10 Index
Citation Counts
6
5
125
Rankings
Ranking Based On Selection: 51
Riham Nady Faragllah
Metrics
H-Index
i10 Index
Citation Counts
5
4
223
Environmental Design-Urban Design-Building Science
Rankings
Ranking Based On Selection: 52
Eslam Ahmed Fathy
Metrics
H-Index
i10 Index
Citation Counts
5
4
184
Rankings
Ranking Based On Selection: 53
Nancy Abouyoussef
Metrics
H-Index
i10 Index
Citation Counts
5
3
269
Rankings
Ranking Based On Selection: 54
Mohamed Mostafa Hassan Mostafa Elkewedi
Metrics
H-Index
i10 Index
Citation Counts
5
2
100
Rankings
Ranking Based On Selection: 55
Dalia E. Ali
Metrics
H-Index
i10 Index
Citation Counts
5
2
59
Rankings
Ranking Based On Selection: 56
Marwa Atef Yakout
Metrics
H-Index
i10 Index
Citation Counts
5
2
49
Rankings
Ranking Based On Selection: 57
Naema Ali
Metrics
H-Index
i10 Index
Citation Counts
5
3
99
soil mechanics and foundation
Rankings
Ranking Based On Selection: 58
Rasha Bayaa
Metrics
H-Index
i10 Index
Citation Counts
5
3
73
Rankings
Ranking Based On Selection: 59
Ahmad Anwar
Metrics
H-Index
i10 Index
Citation Counts
5
3
72
Rankings
Ranking Based On Selection: 60
Huda Fawzy
Metrics
H-Index
i10 Index
Citation Counts
5
3
71
Rankings
Ranking Based On Selection: 62
Tamer A. Al-Shafie
Metrics
H-Index
i10 Index
Citation Counts
4
3
116
Rankings
Ranking Based On Selection: 63
Wael Moustafa Hassan Mohamed
Metrics
H-Index
i10 Index
Citation Counts
4
3
88
Investment
Finance
Islamic Finance
Banking
Risk Management
Rankings
Ranking Based On Selection: 64
Dr Moustafa Matar
Metrics
H-Index
i10 Index
Citation Counts
4
3
62
Rankings
Ranking Based On Selection: 65
Esraa Abdelhamid Moneer
Metrics
H-Index
i10 Index
Citation Counts
4
3
53
Rankings
Ranking Based On Selection: 66
Lamiaa Hefny
Metrics
H-Index
i10 Index
Citation Counts
4
2
129
Rankings
Ranking Based On Selection: 67
Mona M. Abdelhamid
Metrics
H-Index
i10 Index
Citation Counts
4
2
94
urban heritage
sustainable architecture design
urban resilience
construction technology
Rankings
Ranking Based On Selection: 68
Nevine Lotfy Louise Seiffein
Metrics
H-Index
i10 Index
Citation Counts
4
2
86
microbiology immunology drug resistance non antibiotics
Rankings
Ranking Based On Selection: 69
Yasmine Shahine
Metrics
H-Index
i10 Index
Citation Counts
4
2
55
Rankings
Ranking Based On Selection: 70
Maha Fathy
Metrics
H-Index
i10 Index
Citation Counts
4
1
36
Rankings
Ranking Based On Selection: 71
Basant A. Abou-Taleb
Metrics
H-Index
i10 Index
Citation Counts
4
0
38
Pharmaceutical nanotechnology
Drug Delivery systems
Bioequivalent
Drug Targeting
Clinical and
Rankings
Ranking Based On Selection: 72
Hesham M. Kamel
Metrics
H-Index
i10 Index
Citation Counts
4
3
70
Inoganic Chemistry
Analytical Chemistry and Bioinorganic Chemistry
Rankings
Ranking Based On Selection: 73
Azza Elbagoury
Metrics
H-Index
i10 Index
Citation Counts
4
2
59
Rankings
Ranking Based On Selection: 74
Marwa Mahmoud Mohamed El Haddad
Metrics
H-Index
i10 Index
Citation Counts
4
3
96
graphic design
web design
journalism
photography . smart phones app
Rankings
Ranking Based On Selection: 75
Mona A. Moustafa
Metrics
H-Index
i10 Index
Citation Counts
3
3
142
Pharmaceutics
Novel drug delivery systems
Ocular drug delivery
Nanotechnology
Rankings
Ranking Based On Selection: 76
Bohaysa A. Salem
Metrics
H-Index
i10 Index
Citation Counts
3
3
105
Rankings
Ranking Based On Selection: 77
Ali Mahrous Saad
Metrics
H-Index
i10 Index
Citation Counts
3
3
70
Rankings
Ranking Based On Selection: 78
Hani Alswafeeri
Metrics
H-Index
i10 Index
Citation Counts
3
3
65
Rankings
Ranking Based On Selection: 79
Nourhan Mohamed Gaber
Metrics
H-Index
i10 Index
Citation Counts
3
2
160
Green chemistry
Catalysis
Adsorption
Water treatment
Polymers
Rankings
Ranking Based On Selection: 80
Mohamed M. Elfakharany
Metrics
H-Index
i10 Index
Citation Counts
3
2
72
Rankings
Ranking Based On Selection: 81
Hanan M. El-Gammal
Metrics
H-Index
i10 Index
Citation Counts
3
2
50
Optical Communication
Wireless Communication and Optical Electronics
Rankings
Ranking Based On Selection: 83
Nehal Abu Samra
Metrics
H-Index
i10 Index
Citation Counts
3
2
44
Biochemistry
genomics
molecular biology of cancer
Rankings
Ranking Based On Selection: 84
Essam Metwally Mohamed
Metrics
H-Index
i10 Index
Citation Counts
3
2
39
Rankings
Ranking Based On Selection: 85
Essam Helmy
Metrics
H-Index
i10 Index
Citation Counts
3
2
36
coastal protection port planning and design
offshore plat forms sea level rise and coastal erosion
Rankings
Ranking Based On Selection: 86
Zeinab M. Awwad
Metrics
H-Index
i10 Index
Citation Counts
3
2
35
Rankings
Ranking Based On Selection: 87
Amira Eladly
Metrics
H-Index
i10 Index
Citation Counts
3
2
29
Rankings
Ranking Based On Selection: 88
Eman Fares
Metrics
H-Index
i10 Index
Citation Counts
3
1
108
Rankings
Ranking Based On Selection: 89
Marwa Issa
Metrics
H-Index
i10 Index
Citation Counts
3
1
67
Rankings
Ranking Based On Selection: 90
Tourism Management-innovation-knowledge sharing-quality
Rankings
Ranking Based On Selection: 91
Radwa A.Meshref
Metrics
H-Index
i10 Index
Citation Counts
3
1
31
Rankings
Ranking Based On Selection: 92
Tamer M. Elsawy
Metrics
H-Index
i10 Index
Citation Counts
3
1
31
Tourism Planning and Development
Data Quality and Information Systems
Rankings
Ranking Based On Selection: 93
Ahmed M Eldrieny
Metrics
H-Index
i10 Index
Citation Counts
3
1
26
bio medical physics
radiation physics
radiotherapy
nuclear medicine
Rankings
Ranking Based On Selection: 94
Nourhan Shehata
Metrics
H-Index
i10 Index
Citation Counts
3
1
25
Green synthesis Microbiology
Nanoparticles
Nanotechnology
Rankings
Ranking Based On Selection: 95
Mohamed Amin El Emam
Metrics
H-Index
i10 Index
Citation Counts
3
1
22
Rankings
Ranking Based On Selection: 96
Yasmine Elsayeh
Metrics
H-Index
i10 Index
Citation Counts
3
0
31
Rankings
Ranking Based On Selection: 97
Ingy Naguib
Metrics
H-Index
i10 Index
Citation Counts
3
0
28
Architecture conservation
Green and sustainable architecture
Environmental studies
Rankings
Ranking Based On Selection: 98
Amr Abogazia
Metrics
H-Index
i10 Index
Citation Counts
3
0
26
Rankings
Ranking Based On Selection: 99
Amr Fouad
Metrics
H-Index
i10 Index
Citation Counts
3
0
26
Management
Marketing
Human Resources
Hotel operation studies
Bibliometric Analysis
Rankings
Ranking Based On Selection: 100
Nevien Mahmoud
Metrics
H-Index
i10 Index
Citation Counts
3
0
20
Biochemistry
applied chemistry
molecular biology
environmental studies
medicine