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
Ali Shalash
Cyber Security for Cyber Physical Systems
Information Systems Security
Industrial Informatics
Metrics
H-Index
i10 Index
Citation
26
57
21,971
* Rankings
Ranking Based On Selection: 4
Tamer Emara
Healthcare and Technology
neurologic rehabilitation
non invasive brain stimulation
headache
Global medicine
Metrics
H-Index
i10 Index
Citation
12
16
714
Nagia Fahmy
Neurology
Neuromuscular
Genetics
Molecular Biology
Metrics
H-Index
i10 Index
Citation
9
8
302
Asmaa M Zaazaa
Physiology
neurology
cancer disease
stem cells
nanotecnology
Metrics
H-Index
i10 Index
Citation
8
7
227

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Rankings
Ranking Based On Selection: 1
Ali Shalash
Metrics
H-Index
i10 Index
Citation Counts
26
57
21,971
Cyber Security for Cyber Physical Systems
Information Systems Security
Industrial Informatics
Rankings
Ranking Based On Selection: 2
Sahar MA Hassanein
Metrics
H-Index
i10 Index
Citation Counts
21
29
1,342
Rankings
Ranking Based On Selection: 3
Ramez Reda Moustafa
Metrics
H-Index
i10 Index
Citation Counts
21
29
1,814
Rankings
Ranking Based On Selection: 4
Tamer Emara
Metrics
H-Index
i10 Index
Citation Counts
12
16
714
Healthcare and Technology
neurologic rehabilitation
non invasive brain stimulation
headache
Global medicine
Rankings
Ranking Based On Selection: 5
Nagia Fahmy
Metrics
H-Index
i10 Index
Citation Counts
9
8
302
Neurology
Neuromuscular
Genetics
Molecular Biology
Rankings
Ranking Based On Selection: 6
Asmaa M Zaazaa
Metrics
H-Index
i10 Index
Citation Counts
8
7
227
Physiology
neurology
cancer disease
stem cells
nanotecnology
Rankings
Ranking Based On Selection: 7
Hoda G. Hegazy
Metrics
H-Index
i10 Index
Citation Counts
7
7
196
Rankings
Ranking Based On Selection: 9
medicine
geriatric
cognition
elderly psychiatric disorders
neurology
Rankings
Ranking Based On Selection: 10
Nourhan Taha
Metrics
H-Index
i10 Index
Citation Counts
3
0
15

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Rankings
Ranking Based On Selection: 11
Romany Adly
Metrics
H-Index
i10 Index
Citation Counts
3
1
17
Rankings
Ranking Based On Selection: 12
Ali Abozaid|Amr Mohamed Ibrahim
Metrics
H-Index
i10 Index
Citation Counts
2
1
64
Rankings
Ranking Based On Selection: 13
Karim O. Mohamed
Metrics
H-Index
i10 Index
Citation Counts
2
1
18
Rankings
Ranking Based On Selection: 14
Steven Emil
Metrics
H-Index
i10 Index
Citation Counts
1
1
26