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
John A Windsor
Pancreatitis
Pancreatic Cancer
Upper GI and HBP Surgery
Medical Devices
Metrics
H-Index
i10 Index
Citation
93
326
31,403
* Rankings
Ranking Based On Selection: 2
Hill AG
Surgery
Education
Perioperative Care
Colorectal Surgery
Metrics
H-Index
i10 Index
Citation
70
238
19,787
* Rankings
Ranking Based On Selection: 3
Greg O Grady
Surgery
Medical Devices
Gut Motility
Intestinal Failure
Metrics
H-Index
i10 Index
Citation
50
181
9,222
* Rankings
Ranking Based On Selection: 4
Ian Bissett
surgery
colorectal surgery
gastrointestinal motility
faecal incontinence
Metrics
H-Index
i10 Index
Citation
47
130
9,527
* Rankings
Ranking Based On Selection: 5
Cameron Wells
General Surgery
Gastrointestinal Surgery
Postoperative Recovery
Failure to Rescue
Metrics
H-Index
i10 Index
Citation
28
58
3,522
* Rankings
Ranking Based On Selection: 7
Rebekah Jaung
Surgery
Colorectal Disease
Diverticular Disease
Health Equity
Racism and Anti-racism in health
Metrics
H-Index
i10 Index
Citation
14
16
791
Rankings
Ranking Based On Selection: 1
John A Windsor
Metrics
H-Index
i10 Index
Citation Counts
93
326
31,403
Pancreatitis
Pancreatic Cancer
Upper GI and HBP Surgery
Medical Devices
Rankings
Ranking Based On Selection: 2
Hill AG
Metrics
H-Index
i10 Index
Citation Counts
70
238
19,787
Surgery
Education
Perioperative Care
Colorectal Surgery
Rankings
Ranking Based On Selection: 3
Greg O Grady
Metrics
H-Index
i10 Index
Citation Counts
50
181
9,222
Surgery
Medical Devices
Gut Motility
Intestinal Failure
Rankings
Ranking Based On Selection: 4
Ian Bissett
Metrics
H-Index
i10 Index
Citation Counts
47
130
9,527
surgery
colorectal surgery
gastrointestinal motility
faecal incontinence
Rankings
Ranking Based On Selection: 5
Cameron Wells
Metrics
H-Index
i10 Index
Citation Counts
28
58
3,522
General Surgery
Gastrointestinal Surgery
Postoperative Recovery
Failure to Rescue
Rankings
Ranking Based On Selection: 6
Ryash Vather
Metrics
H-Index
i10 Index
Citation Counts
28
37
2,905
Rankings
Ranking Based On Selection: 7
Rebekah Jaung
Metrics
H-Index
i10 Index
Citation Counts
14
16
791
Surgery
Colorectal Disease
Diverticular Disease
Health Equity
Racism and Anti-racism in health