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" (873,690 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
Mark Ferguson
Surgery
Thoracic Surgery
Surgical Risk
Risk Models
Frailty
Metrics
H-Index
i10 Index
Citation
74
210
18,802
* Rankings
Ranking Based On Selection: 4
J Michael Millis
Adult Liver Transplantation
Pediatric Liver Transplantation
Hepatobiliary Surgery
Liver Cancer
Metrics
H-Index
i10 Index
Citation
64
142
12,232
* Rankings
Ranking Based On Selection: 10
Kevin Roggin
Surgical Oncology
Geriatric Assessments
Pancreatic cancer
Pancreatic cystic neoplasm
Metrics
H-Index
i10 Index
Citation
51
106
34,404

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* Rankings
Ranking Based On Selection: 11
Yolanda Tai Becker
Kidney and pancreas transplant
living donor kidney transplant
dialysis access outcomes
Metrics
H-Index
i10 Index
Citation
43
76
6,828
* Rankings
Ranking Based On Selection: 13
Piotr Witkowski
Abdominal Organ Transplantation
Islet Transplantation
Tregs
Hernia
Metrics
H-Index
i10 Index
Citation
41
106
8,095
* Rankings
Ranking Based On Selection: 20
Raquel Gonzalez Heredia
breast surgery
robotic
oncoplastic
breast cancer
minimally invasive
Metrics
H-Index
i10 Index
Citation
17
18
762
* Rankings
Ranking Based On Selection: 21
Zhibo Yan
Cancer metabolism
Gastrointestinal surgery
Bariatric surgery
Lung injury
Metrics
H-Index
i10 Index
Citation
15
21
975
* Rankings
Ranking Based On Selection: 22
Luka Pocivavsek
surgery
soft matter physics
biomechanics
elasticity
Metrics
H-Index
i10 Index
Citation
15
21
1,407
* Rankings
Ranking Based On Selection: 24
Keith Naylor
Colorectal cancer screening
Health services research
Health equity
Metrics
H-Index
i10 Index
Citation
13
14
1,766
Fiyinfolu Balogun
Gastrointestinal Oncology - Pancreatobiliary and Colorectal
Metrics
H-Index
i10 Index
Citation
2
2
397
C Amir Esparza Monzavi
General Surgery
Colorectal surgery
Minimal Invasive surgery
Plastic surgery
Metrics
H-Index
i10 Index
Citation
1
1
15
Rankings
Ranking Based On Selection: 1
John Fung
Metrics
H-Index
i10 Index
Citation Counts
138
875
75,577
Rankings
Ranking Based On Selection: 2
Mark Ferguson
Metrics
H-Index
i10 Index
Citation Counts
74
210
18,802
Surgery
Thoracic Surgery
Surgical Risk
Risk Models
Frailty
Rankings
Ranking Based On Selection: 3
Stephen T Bartlett
Metrics
H-Index
i10 Index
Citation Counts
73
202
17,707
Rankings
Ranking Based On Selection: 4
J Michael Millis
Metrics
H-Index
i10 Index
Citation Counts
64
142
12,232
Adult Liver Transplantation
Pediatric Liver Transplantation
Hepatobiliary Surgery
Liver Cancer
Rankings
Ranking Based On Selection: 5
Daniel Catenacci
Metrics
H-Index
i10 Index
Citation Counts
61
137
17,610
Rankings
Ranking Based On Selection: 6
Anita Chong
Metrics
H-Index
i10 Index
Citation Counts
60
183
13,380
Rankings
Ranking Based On Selection: 7
Enrico Benedetti
Metrics
H-Index
i10 Index
Citation Counts
59
232
12,758
Rankings
Ranking Based On Selection: 8
Edwin L Kaplan
Metrics
H-Index
i10 Index
Citation Counts
56
142
11,877
Rankings
Ranking Based On Selection: 9
Jeffrey Matthews
Metrics
H-Index
i10 Index
Citation Counts
54
153
12,911
Rankings
Ranking Based On Selection: 10
Kevin Roggin
Metrics
H-Index
i10 Index
Citation Counts
51
106
34,404
Surgical Oncology
Geriatric Assessments
Pancreatic cancer
Pancreatic cystic neoplasm

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Yolanda Tai Becker
Metrics
H-Index
i10 Index
Citation Counts
43
76
6,828
Kidney and pancreas transplant
living donor kidney transplant
dialysis access outcomes
Rankings
Ranking Based On Selection: 12
Takeshi Shimamura
Metrics
H-Index
i10 Index
Citation Counts
42
45
13,829
Rankings
Ranking Based On Selection: 13
Piotr Witkowski
Metrics
H-Index
i10 Index
Citation Counts
41
106
8,095
Abdominal Organ Transplantation
Islet Transplantation
Tregs
Hernia
Rankings
Ranking Based On Selection: 15
Rolf Barth
Metrics
H-Index
i10 Index
Citation Counts
37
81
4,225
Rankings
Ranking Based On Selection: 16
Swati Kulkarni
Metrics
H-Index
i10 Index
Citation Counts
32
59
4,345
Rankings
Ranking Based On Selection: 17
Xavier Keutgen
Metrics
H-Index
i10 Index
Citation Counts
31
62
3,415
Rankings
Ranking Based On Selection: 18
Eduardo Fernandes
Metrics
H-Index
i10 Index
Citation Counts
24
50
2,439
Rankings
Ranking Based On Selection: 19
Konstantin Umanskiy
Metrics
H-Index
i10 Index
Citation Counts
24
38
2,197
Rankings
Ranking Based On Selection: 20
Raquel Gonzalez Heredia
Metrics
H-Index
i10 Index
Citation Counts
17
18
762
breast surgery
robotic
oncoplastic
breast cancer
minimally invasive
Rankings
Ranking Based On Selection: 21
Zhibo Yan
Metrics
H-Index
i10 Index
Citation Counts
15
21
975
Cancer metabolism
Gastrointestinal surgery
Bariatric surgery
Lung injury
Rankings
Ranking Based On Selection: 22
Luka Pocivavsek
Metrics
H-Index
i10 Index
Citation Counts
15
21
1,407
surgery
soft matter physics
biomechanics
elasticity
Rankings
Ranking Based On Selection: 23
Yalini Vigneswaran
Metrics
H-Index
i10 Index
Citation Counts
15
18
871
Rankings
Ranking Based On Selection: 24
Keith Naylor
Metrics
H-Index
i10 Index
Citation Counts
13
14
1,766
Colorectal cancer screening
Health services research
Health equity
Rankings
Ranking Based On Selection: 25
Gerald Gantt Jr
Metrics
H-Index
i10 Index
Citation Counts
12
13
997
Rankings
Ranking Based On Selection: 26
Antonio Cubisino
Metrics
H-Index
i10 Index
Citation Counts
8
7
178
Rankings
Ranking Based On Selection: 27
Hunter Dd Witmer
Metrics
H-Index
i10 Index
Citation Counts
7
5
144
Surgical Oncology
Operative Efficiency
OR Teaming
Rankings
Ranking Based On Selection: 28
Ankit Dhiman
Metrics
H-Index
i10 Index
Citation Counts
7
4
124
Rankings
Ranking Based On Selection: 29
Udoka Maverick Ibeh
Metrics
H-Index
i10 Index
Citation Counts
3
3
230
Rankings
Ranking Based On Selection: 31
Fiyinfolu Balogun
Metrics
H-Index
i10 Index
Citation Counts
2
2
397
Gastrointestinal Oncology - Pancreatobiliary and Colorectal
Rankings
Ranking Based On Selection: 32
Michael Cudworth
Metrics
H-Index
i10 Index
Citation Counts
2
1
38
Rankings
Ranking Based On Selection: 33
C Amir Esparza Monzavi
Metrics
H-Index
i10 Index
Citation Counts
1
1
15
General Surgery
Colorectal surgery
Minimal Invasive surgery
Plastic surgery