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 :2
Constantine Karvellas
Intensive Care Medicine
Hepatology
Liver Transplantation
Metrics
H-Index
i10 Index
Citation
49
113
8,769
Hien Quoc Huynh
pediatric gastronenterology
IBD
Eosinophilic esophagitis
Metrics
H-Index
i10 Index
Citation
40
89
5,224
Christian F Rueda Clausen
Gastroenterology
Bariatric Medicine
Obesity
Internal Medicine
Metabolic Syndrome
Metrics
H-Index
i10 Index
Citation
33
50
4,427
Rankings
Ranking Based On Selection: 1
Juan G Abraldes
Metrics
H-Index
i10 Index
Citation Counts
102
253
38,124
Rankings
Ranking Based On Selection: 2
Constantine Karvellas
Metrics
H-Index
i10 Index
Citation Counts
49
113
8,769
Intensive Care Medicine
Hepatology
Liver Transplantation
Rankings
Ranking Based On Selection: 3
Hien Quoc Huynh
Metrics
H-Index
i10 Index
Citation Counts
40
89
5,224
pediatric gastronenterology
IBD
Eosinophilic esophagitis
Rankings
Ranking Based On Selection: 4
Christian F Rueda Clausen
Metrics
H-Index
i10 Index
Citation Counts
33
50
4,427
Gastroenterology
Bariatric Medicine
Obesity
Internal Medicine
Metabolic Syndrome
Rankings
Ranking Based On Selection: 5
Sergio Zepeda Gomez
Metrics
H-Index
i10 Index
Citation Counts
18
28
1,218