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" (937,844 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
Vladimir Ryabov
Radio Astronomy
Nonlinear Dynamics
Metrics
H-Index
i10 Index
Citation
19
31
1,437
* Rankings
Ranking Based On Selection: 2
Michael Vallance
virtual worlds
communication
education
information science
Metrics
H-Index
i10 Index
Citation
17
25
1,059
* Rankings
Ranking Based On Selection: 4
Rana Khallaf
Public-Private Partnership
Lean Construction
Risk Management
Digital Twin
System of Systems
Metrics
H-Index
i10 Index
Citation
15
20
853
* Rankings
Ranking Based On Selection: 5
Mohamed Mousa
Energy
Optical Electronics
Optical Devices
PV
Solar cells
Metrics
H-Index
i10 Index
Citation
13
15
475
* Rankings
Ranking Based On Selection: 7
Gamal Ragab
petrophysics
reservoir characterization
rock properties
Metrics
H-Index
i10 Index
Citation
10
10
225
* Rankings
Ranking Based On Selection: 10
Nermin M. Salem
Artificial Intelligence
Image Processing
Machine Learning
Deep Learning
Computer Vision
Metrics
H-Index
i10 Index
Citation
8
7
238

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* Rankings
Ranking Based On Selection: 11
Amr Ismaiel
Wind Turbines
Mechanical Design
Structural Analysis
Metrics
H-Index
i10 Index
Citation
8
6
162
* Rankings
Ranking Based On Selection: 14
Noha Fathallah
medicinal plants
Phytochemistry
Metrics
H-Index
i10 Index
Citation
7
6
158
* Rankings
Ranking Based On Selection: 16
Hajime Murai
Digital Humanities
Bibliometrics
Artificail Intelligence
Metrics
H-Index
i10 Index
Citation
7
5
207
Moneer Abuelnaga
Power system stability
Control of electrical machines
Power electronics
Metrics
H-Index
i10 Index
Citation
6
4
122
* Rankings
Ranking Based On Selection: 23
Shin Nakamine
relationship initiation
sociosexuality
romantic relationships
philosophy of psychology
measurement
Metrics
H-Index
i10 Index
Citation
5
3
99
Reem T. Attia
Molecular mechanism in cancer
metabolic disorders and obesity
Metrics
H-Index
i10 Index
Citation
5
2
108
* Rankings
Ranking Based On Selection: 25
藤後悦子
スポーツ 親子関係 子育て 保育
Metrics
H-Index
i10 Index
Citation
5
0
179
MI Hamdy
Non-parametrics
Metrics
H-Index
i10 Index
Citation
5
3
162
Mohamed Yahia
Structural
Management
Genatic algorithm
Ant colony
Fuzzy system
Metrics
H-Index
i10 Index
Citation
4
2
45
Ensaf Sultan Alwan
Heterocyclic Synthesis
Metrics
H-Index
i10 Index
Citation
4
0
30
* Rankings
Ranking Based On Selection: 30
Naomi S. Bates
GIS
bioacoustics
climate change
hydrology
Metrics
H-Index
i10 Index
Citation
4
2
115
Abdul-Monem Al-Mashat
National Security
International Relations
Metrics
H-Index
i10 Index
Citation
4
3
225
Aya Safwat
Development Economics
Corporate Social Responsibility
Environmental Economics
Metrics
H-Index
i10 Index
Citation
3
2
178
Mahinda Mahmoud Samy Ahmed Zaki Zidan
Deep Learning
Artificial Intelligence
Natural Language Processing
Metrics
H-Index
i10 Index
Citation
3
2
123
Mahmoud Magdy Mohamed
Image Processing
Computer Vision
Robotics
Metrics
H-Index
i10 Index
Citation
3
2
118
* Rankings
Ranking Based On Selection: 36
Jiaqing Bai
Covert communication
Reinforcement learning
Metrics
H-Index
i10 Index
Citation
3
1
49
Nancy Mohammed Lotfy
Liquid crystals - Microemulsion - Drug Formulation
Metrics
H-Index
i10 Index
Citation
2
0
13
Romisaa Gamal
radiation physics
Metrics
H-Index
i10 Index
Citation
2
0
12
Mohamed Mahmoud Saleh
Architecture Engineering
Metrics
H-Index
i10 Index
Citation
1
1
37
Mahmoud Gharib
Clinical
research
patient oriented approaches
Metrics
H-Index
i10 Index
Citation
1
1
33
* Rankings
Ranking Based On Selection: 49
Ei-Ichi Osawa
Artificial Intelligence
Multiagent Sytems
Metrics
H-Index
i10 Index
Citation
1
1
14
Sahar Talaat
Digital Communication Theories & Media Structure
Metrics
H-Index
i10 Index
Citation
1
0
6
* Rankings
Ranking Based On Selection: 52
佐藤亮太朗|Ryotaro Sato
教育心理学 特別支援教育 教育相談
Metrics
H-Index
i10 Index
Citation
1
0
3
Rankings
Ranking Based On Selection: 1
Vladimir Ryabov
Metrics
H-Index
i10 Index
Citation Counts
19
31
1,437
Radio Astronomy
Nonlinear Dynamics
Rankings
Ranking Based On Selection: 2
Michael Vallance
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,059
virtual worlds
communication
education
information science
Rankings
Ranking Based On Selection: 3
Eric Pappas
Metrics
H-Index
i10 Index
Citation Counts
16
30
1,231
Rankings
Ranking Based On Selection: 4
Rana Khallaf
Metrics
H-Index
i10 Index
Citation Counts
15
20
853
Public-Private Partnership
Lean Construction
Risk Management
Digital Twin
System of Systems
Rankings
Ranking Based On Selection: 5
Mohamed Mousa
Metrics
H-Index
i10 Index
Citation Counts
13
15
475
Energy
Optical Electronics
Optical Devices
PV
Solar cells
Rankings
Ranking Based On Selection: 6
川嶋稔夫
Metrics
H-Index
i10 Index
Citation Counts
13
22
920
Rankings
Ranking Based On Selection: 7
Gamal Ragab
Metrics
H-Index
i10 Index
Citation Counts
10
10
225
petrophysics
reservoir characterization
rock properties
Rankings
Ranking Based On Selection: 8
Ayahiko Niimi
Metrics
H-Index
i10 Index
Citation Counts
9
9
369
Rankings
Ranking Based On Selection: 9
Yoshiaki Mima
Metrics
H-Index
i10 Index
Citation Counts
9
8
356
Rankings
Ranking Based On Selection: 10
Nermin M. Salem
Metrics
H-Index
i10 Index
Citation Counts
8
7
238
Artificial Intelligence
Image Processing
Machine Learning
Deep Learning
Computer Vision

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
Amr Ismaiel
Metrics
H-Index
i10 Index
Citation Counts
8
6
162
Wind Turbines
Mechanical Design
Structural Analysis
Rankings
Ranking Based On Selection: 12
Salwa S. Abdelwahab
Metrics
H-Index
i10 Index
Citation Counts
8
6
188
Rankings
Ranking Based On Selection: 13
İsmail Mahgoub
Metrics
H-Index
i10 Index
Citation Counts
8
6
184
Rankings
Ranking Based On Selection: 14
Noha Fathallah
Metrics
H-Index
i10 Index
Citation Counts
7
6
158
medicinal plants
Phytochemistry
Rankings
Ranking Based On Selection: 15
大橋恵|Ohashi, Megumi M, Ohashi MM
Metrics
H-Index
i10 Index
Citation Counts
7
5
671
Rankings
Ranking Based On Selection: 16
Hajime Murai
Metrics
H-Index
i10 Index
Citation Counts
7
5
207
Digital Humanities
Bibliometrics
Artificail Intelligence
Rankings
Ranking Based On Selection: 17
Nivine Ragy
Metrics
H-Index
i10 Index
Citation Counts
6
6
178
Rankings
Ranking Based On Selection: 18
Ola G. Hussein
Metrics
H-Index
i10 Index
Citation Counts
6
6
104
Rankings
Ranking Based On Selection: 19
Mohamed Ehab
Metrics
H-Index
i10 Index
Citation Counts
6
5
119
Rankings
Ranking Based On Selection: 20
Basma Magdy Ahmed
Metrics
H-Index
i10 Index
Citation Counts
6
4
98
Rankings
Ranking Based On Selection: 21
Mohamed Doheim
Metrics
H-Index
i10 Index
Citation Counts
6
4
91
Rankings
Ranking Based On Selection: 22
Moneer Abuelnaga
Metrics
H-Index
i10 Index
Citation Counts
6
4
122
Power system stability
Control of electrical machines
Power electronics
Rankings
Ranking Based On Selection: 23
Shin Nakamine
Metrics
H-Index
i10 Index
Citation Counts
5
3
99
relationship initiation
sociosexuality
romantic relationships
philosophy of psychology
measurement
Rankings
Ranking Based On Selection: 24
Reem T. Attia
Metrics
H-Index
i10 Index
Citation Counts
5
2
108
Molecular mechanism in cancer
metabolic disorders and obesity
Rankings
Ranking Based On Selection: 25
藤後悦子
Metrics
H-Index
i10 Index
Citation Counts
5
0
179
スポーツ 親子関係 子育て 保育
Rankings
Ranking Based On Selection: 26
MI Hamdy
Metrics
H-Index
i10 Index
Citation Counts
5
3
162
Rankings
Ranking Based On Selection: 27
Dina Zakaria
Metrics
H-Index
i10 Index
Citation Counts
4
2
88
Rankings
Ranking Based On Selection: 28
Mohamed Yahia
Metrics
H-Index
i10 Index
Citation Counts
4
2
45
Structural
Management
Genatic algorithm
Ant colony
Fuzzy system
Rankings
Ranking Based On Selection: 29
Ensaf Sultan Alwan
Metrics
H-Index
i10 Index
Citation Counts
4
0
30
Rankings
Ranking Based On Selection: 30
Naomi S. Bates
Metrics
H-Index
i10 Index
Citation Counts
4
2
115
GIS
bioacoustics
climate change
hydrology
Rankings
Ranking Based On Selection: 31
Abdul-Monem Al-Mashat
Metrics
H-Index
i10 Index
Citation Counts
4
3
225
National Security
International Relations
Rankings
Ranking Based On Selection: 32
Aya Safwat
Metrics
H-Index
i10 Index
Citation Counts
3
2
178
Development Economics
Corporate Social Responsibility
Environmental Economics
Rankings
Ranking Based On Selection: 33
Mahinda Mahmoud Samy Ahmed Zaki Zidan
Metrics
H-Index
i10 Index
Citation Counts
3
2
123
Deep Learning
Artificial Intelligence
Natural Language Processing
Rankings
Ranking Based On Selection: 34
Mahmoud Magdy Mohamed
Metrics
H-Index
i10 Index
Citation Counts
3
2
118
Image Processing
Computer Vision
Robotics
Rankings
Ranking Based On Selection: 35
Doaa Nabil Sayed Mohamed Elsayed Khodair
Metrics
H-Index
i10 Index
Citation Counts
3
2
40
Rankings
Ranking Based On Selection: 36
Jiaqing Bai
Metrics
H-Index
i10 Index
Citation Counts
3
1
49
Covert communication
Reinforcement learning
Rankings
Ranking Based On Selection: 37
Doaa Ismael
Metrics
H-Index
i10 Index
Citation Counts
3
1
37
Rankings
Ranking Based On Selection: 38
Dina Khaled
Metrics
H-Index
i10 Index
Citation Counts
3
0
21
Rankings
Ranking Based On Selection: 39
Amal Mehanna
Metrics
H-Index
i10 Index
Citation Counts
2
2
30
Rankings
Ranking Based On Selection: 40
Ahmed Kadry
Metrics
H-Index
i10 Index
Citation Counts
2
1
16
Rankings
Ranking Based On Selection: 41
Ahmed Essam Zahran
Metrics
H-Index
i10 Index
Citation Counts
2
0
20
Rankings
Ranking Based On Selection: 42
Nancy Mohammed Lotfy
Metrics
H-Index
i10 Index
Citation Counts
2
0
13
Liquid crystals - Microemulsion - Drug Formulation
Rankings
Ranking Based On Selection: 43
Romisaa Gamal
Metrics
H-Index
i10 Index
Citation Counts
2
0
12
Rankings
Ranking Based On Selection: 44
雫石卓耶
Metrics
H-Index
i10 Index
Citation Counts
2
0
9
Rankings
Ranking Based On Selection: 45
Shrouk Awaad
Metrics
H-Index
i10 Index
Citation Counts
2
0
8
Rankings
Ranking Based On Selection: 46
Sireen Abdulhalim
Metrics
H-Index
i10 Index
Citation Counts
2
0
4
Rankings
Ranking Based On Selection: 47
Mohamed Mahmoud Saleh
Metrics
H-Index
i10 Index
Citation Counts
1
1
37
Architecture Engineering
Rankings
Ranking Based On Selection: 48
Mahmoud Gharib
Metrics
H-Index
i10 Index
Citation Counts
1
1
33
Clinical
research
patient oriented approaches
Rankings
Ranking Based On Selection: 49
Ei-Ichi Osawa
Metrics
H-Index
i10 Index
Citation Counts
1
1
14
Artificial Intelligence
Multiagent Sytems
Rankings
Ranking Based On Selection: 50
Yuta Takahashi
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Rankings
Ranking Based On Selection: 51
Sahar Talaat
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Digital Communication Theories & Media Structure
Rankings
Ranking Based On Selection: 52
佐藤亮太朗|Ryotaro Sato
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
教育心理学 特別支援教育 教育相談
Rankings
Ranking Based On Selection: 53
Akram Diab
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 54
Noha Magdy Elsharawy
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
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