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" (873,864 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
Mohamed Rahouma
Thoracic surgical oncology
Esophageal cancer
Lung Cancer
Mesothelioma
Meta-analysis
Metrics
H-Index
i10 Index
Citation
36
96
4,058
Ayman M. Abdelhady Osman
GI & HPB Surgery
Liver Transplant Surgery
Abdominal Surgery
Metrics
H-Index
i10 Index
Citation
6
5
133
Mahmoud Ali
general surgery emergency surgery bariatric surgery colorectal surgery
hernia surgery
breast on
Metrics
H-Index
i10 Index
Citation
2
1
21
Rankings
Ranking Based On Selection: 1
Mohamed Rahouma
Metrics
H-Index
i10 Index
Citation Counts
36
96
4,058
Thoracic surgical oncology
Esophageal cancer
Lung Cancer
Mesothelioma
Meta-analysis
Rankings
Ranking Based On Selection: 2
Wael Gawad
Metrics
H-Index
i10 Index
Citation Counts
7
4
125
Rankings
Ranking Based On Selection: 3
Ayman M. Abdelhady Osman
Metrics
H-Index
i10 Index
Citation Counts
6
5
133
GI & HPB Surgery
Liver Transplant Surgery
Abdominal Surgery
Rankings
Ranking Based On Selection: 4
Intsar S. Waked
Metrics
H-Index
i10 Index
Citation Counts
6
2
157
Rankings
Ranking Based On Selection: 5
Nader Milad
Metrics
H-Index
i10 Index
Citation Counts
4
3
76
Rankings
Ranking Based On Selection: 6
Marwa H. Hassan
Metrics
H-Index
i10 Index
Citation Counts
4
2
77
Rankings
Ranking Based On Selection: 7
Mahmoud Ali
Metrics
H-Index
i10 Index
Citation Counts
2
1
21
general surgery emergency surgery bariatric surgery colorectal surgery
hernia surgery
breast on
Rankings
Ranking Based On Selection: 8
Ihab Samy
Metrics
H-Index
i10 Index
Citation Counts
2
1
20
Rankings
Ranking Based On Selection: 9
Hisham Abdel Mageed
Metrics
H-Index
i10 Index
Citation Counts
2
1
16
Rankings
Ranking Based On Selection: 10
Mohamed El Masry
Metrics
H-Index
i10 Index
Citation Counts
2
0
6
Rankings
Ranking Based On Selection: 11
Haitham Fekry Othman Ramadan
Metrics
H-Index
i10 Index
Citation Counts
1
1
85
Rankings
Ranking Based On Selection: 12
Tarek Abbas Hassan Ahmed
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Rankings
Ranking Based On Selection: 14
Maged Yousri
Metrics
H-Index
i10 Index
Citation Counts
1
0
1