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" (873,690 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
Shreesh Ojha
Redox signaling
Ischemic heart disease
Neurodegenerative diseases
Diabetes
Bioactive agents
Metrics
H-Index
i10 Index
Citation
61
205
12,883
Hebaallah Mamdouh Hashiesh
Pharmacology
Drug discovery
Diabetic complications
Cannabinoid receptors
Neurodegeneration
Metrics
H-Index
i10 Index
Citation
7
6
305
Rahaf M Ahmad
Pharmaceutical sciences
Nano Medicine
Machine Learning in Medicine
Genetics and Genomics
Disease Prediction
Metrics
H-Index
i10 Index
Citation
4
2
34
Mohammed Husham Khattab
Clinical Pharmacogenetics
Personalized Medicine
Point-of-Care
Vascular Surgery
Stroke Research
Metrics
H-Index
i10 Index
Citation
4
3
57
Rankings
Ranking Based On Selection: 1
Shreesh Ojha
Metrics
H-Index
i10 Index
Citation Counts
61
205
12,883
Redox signaling
Ischemic heart disease
Neurodegenerative diseases
Diabetes
Bioactive agents
Rankings
Ranking Based On Selection: 2
Hebaallah Mamdouh Hashiesh
Metrics
H-Index
i10 Index
Citation Counts
7
6
305
Pharmacology
Drug discovery
Diabetic complications
Cannabinoid receptors
Neurodegeneration
Rankings
Ranking Based On Selection: 4
Rahaf M Ahmad
Metrics
H-Index
i10 Index
Citation Counts
4
2
34
Pharmaceutical sciences
Nano Medicine
Machine Learning in Medicine
Genetics and Genomics
Disease Prediction
Rankings
Ranking Based On Selection: 5
Mohammed Husham Khattab
Metrics
H-Index
i10 Index
Citation Counts
4
3
57
Clinical Pharmacogenetics
Personalized Medicine
Point-of-Care
Vascular Surgery
Stroke Research
Rankings
Ranking Based On Selection: 6
Mohamed A Khalaf
Metrics
H-Index
i10 Index
Citation Counts
3
1
32