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" (873,937 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
Justin B Dimick
Performance assessment
Quality improvement
and Policy evaluation
Metrics
H-Index
i10 Index
Citation
101
384
39,429
Hari Nathan
Surgical Oncology
Hepatobiliary & Pancreatic Surgery
Health Services Research
Quality & Cost of
Metrics
H-Index
i10 Index
Citation
48
89
8,654
Christopher Sonnenday
Liver transplantation
hepatobiliary and pancreatic surgery
Metrics
H-Index
i10 Index
Citation
45
78
7,802
Sidra N Bonner
General Surgery
Thoracic Surgery
Surgical Quality
Surgical Equity
Health and Healthcare Disparities
Metrics
H-Index
i10 Index
Citation
8
7
200
Varun G Kathawate
surgical oncology
general surgery
health accessibility
neurosurgery
Metrics
H-Index
i10 Index
Citation
3
0
16
Rankings
Ranking Based On Selection: 1
Justin B Dimick
Metrics
H-Index
i10 Index
Citation Counts
101
384
39,429
Performance assessment
Quality improvement
and Policy evaluation
Rankings
Ranking Based On Selection: 2
Michael Englesbe
Metrics
H-Index
i10 Index
Citation Counts
70
247
21,214
Rankings
Ranking Based On Selection: 3
Stewart C Wang
Metrics
H-Index
i10 Index
Citation Counts
67
271
18,788
Rankings
Ranking Based On Selection: 4
Jennifer Waljee
Metrics
H-Index
i10 Index
Citation Counts
60
200
15,436
Rankings
Ranking Based On Selection: 5
Mark Hemmila
Metrics
H-Index
i10 Index
Citation Counts
53
132
10,768
Rankings
Ranking Based On Selection: 6
Hari Nathan
Metrics
H-Index
i10 Index
Citation Counts
48
89
8,654
Surgical Oncology
Hepatobiliary & Pancreatic Surgery
Health Services Research
Quality & Cost of
Rankings
Ranking Based On Selection: 7
Christopher Sonnenday
Metrics
H-Index
i10 Index
Citation Counts
45
78
7,802
Liver transplantation
hepatobiliary and pancreatic surgery
Rankings
Ranking Based On Selection: 8
Scott Regenbogen
Metrics
H-Index
i10 Index
Citation Counts
45
88
10,940
Rankings
Ranking Based On Selection: 9
Samantha Hendren
Metrics
H-Index
i10 Index
Citation Counts
43
90
6,617
Rankings
Ranking Based On Selection: 10
Krishnan Raghavendran
Metrics
H-Index
i10 Index
Citation Counts
34
87
5,086
Rankings
Ranking Based On Selection: 11
Niki Matusko
Metrics
H-Index
i10 Index
Citation Counts
28
48
2,336
Rankings
Ranking Based On Selection: 12
David T Hughes
Metrics
H-Index
i10 Index
Citation Counts
27
54
2,486
Rankings
Ranking Based On Selection: 13
David Machado Aranda
Metrics
H-Index
i10 Index
Citation Counts
26
44
16,932
General Surgery
Trauma
Critical Care
Gene Therapy
Rankings
Ranking Based On Selection: 14
Sidra N Bonner
Metrics
H-Index
i10 Index
Citation Counts
8
7
200
General Surgery
Thoracic Surgery
Surgical Quality
Surgical Equity
Health and Healthcare Disparities
Rankings
Ranking Based On Selection: 15
Jacqueline N. Byrd
Metrics
H-Index
i10 Index
Citation Counts
4
2
277
general surgery
surgical outcomes
disparities
equity
Rankings
Ranking Based On Selection: 16
Brandon Ellsworth
Metrics
H-Index
i10 Index
Citation Counts
4
1
51
Rankings
Ranking Based On Selection: 17
Varun G Kathawate
Metrics
H-Index
i10 Index
Citation Counts
3
0
16
surgical oncology
general surgery
health accessibility
neurosurgery
Rankings
Ranking Based On Selection: 18
Angela Bailey
Metrics
H-Index
i10 Index
Citation Counts
2
2
193
trauma surgery
health informatics
health disparities
Rankings
Ranking Based On Selection: 19
Karlie L Haug
Metrics
H-Index
i10 Index
Citation Counts
2
1
19
Rankings
Ranking Based On Selection: 20
Christie Butrico
Metrics
H-Index
i10 Index
Citation Counts
1
0
1