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
Keith J Roberts
Liver surgery
Pancreatic surgery
Pancreatitis
Pancreatic cancer
Liver Transplantation
Metrics
H-Index
i10 Index
Citation
58
211
15,628
* Rankings
Ranking Based On Selection :3
James C Glasbey
Global Surgery
Surgical Trials
Global Health
Surgical Oncology
Colorectal Surgery
Metrics
H-Index
i10 Index
Citation
49
139
15,634
David Bartlett
HPB surgery
liver transplant
hepatocyte transplantation
liver
Metrics
H-Index
i10 Index
Citation
21
27
1,643
Shubho Chowdhuri
General Surgery
Outcomes Research
Disparities
Cardiac Surgery Research
Thoracic Surgery Research
Metrics
H-Index
i10 Index
Citation
1
1
13
Rankings
Ranking Based On Selection: 1
Herbert Chen
Metrics
H-Index
i10 Index
Citation Counts
92
459
35,597
Rankings
Ranking Based On Selection: 2
Keith J Roberts
Metrics
H-Index
i10 Index
Citation Counts
58
211
15,628
Liver surgery
Pancreatic surgery
Pancreatitis
Pancreatic cancer
Liver Transplantation
Rankings
Ranking Based On Selection: 3
James C Glasbey
Metrics
H-Index
i10 Index
Citation Counts
49
139
15,634
Global Surgery
Surgical Trials
Global Health
Surgical Oncology
Colorectal Surgery
Rankings
Ranking Based On Selection: 4
Simon P Bach
Metrics
H-Index
i10 Index
Citation Counts
33
61
4,686
Rankings
Ranking Based On Selection: 5
Karin Hardiman
Metrics
H-Index
i10 Index
Citation Counts
29
45
3,514
Rankings
Ranking Based On Selection: 6
Daniel Chu
Metrics
H-Index
i10 Index
Citation Counts
26
52
2,506
Rankings
Ranking Based On Selection: 7
David Bartlett
Metrics
H-Index
i10 Index
Citation Counts
21
27
1,643
HPB surgery
liver transplant
hepatocyte transplantation
liver
Rankings
Ranking Based On Selection: 8
John R Porterfield
Metrics
H-Index
i10 Index
Citation Counts
19
29
1,705
Rankings
Ranking Based On Selection: 9
Joseph Matthew Ladowski
Metrics
H-Index
i10 Index
Citation Counts
17
23
1,481
Rankings
Ranking Based On Selection: 12
Shubho Chowdhuri
Metrics
H-Index
i10 Index
Citation Counts
1
1
13
General Surgery
Outcomes Research
Disparities
Cardiac Surgery Research
Thoracic Surgery Research