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" (941,641 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
Mark A Carlson
Pancreatic Cancer
Regenerative Medicine
Minimally Invasive Surgery
Hernia
Hemostasis
Metrics
H-Index
i10 Index
Citation
44
86
7,550
Ivy N Haskins
General Surgery
Minimally Invasive Bariatric and Foregut Surgery
Abdominal Wall Reconstruction
Metrics
H-Index
i10 Index
Citation
31
57
2,358
Bradley N Reames
Pancreas Cancer
HPB Surgery
Surgical Oncology
Regional Variations
Health Services Research
Metrics
H-Index
i10 Index
Citation
27
44
3,028
Joshua Mammen
surgical oncology
melanoma
sarcoma
stem cell biology
cancer biology
Metrics
H-Index
i10 Index
Citation
24
35
2,591
Fedja Rochling
Liver transplantation
Intestinal Transplantation
Liver cancer
Intestinal rehabilitation
Metrics
H-Index
i10 Index
Citation
17
21
4,057
* Rankings
Ranking Based On Selection: 10
Ujwal Reddy Yanala
Surgery
Surgical oncology
Colorectal surgery
Minimally Invasive Surgical Oncology
Bariatric Surgery
Metrics
H-Index
i10 Index
Citation
11
12
558

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Wt Hillman Terzian
acute care surgery
emergency general surgery
surgical critical care
trauma
quality improvement
Metrics
H-Index
i10 Index
Citation
6
4
347
Mike Matos|Miguel Matos
general surgery
trauma
emergency general surgery
surgical critical care
Metrics
H-Index
i10 Index
Citation
4
2
72
Rankings
Ranking Based On Selection: 1
Mark A Carlson
Metrics
H-Index
i10 Index
Citation Counts
44
86
7,550
Pancreatic Cancer
Regenerative Medicine
Minimally Invasive Surgery
Hernia
Hemostasis
Rankings
Ranking Based On Selection: 2
Ivy N Haskins
Metrics
H-Index
i10 Index
Citation Counts
31
57
2,358
General Surgery
Minimally Invasive Bariatric and Foregut Surgery
Abdominal Wall Reconstruction
Rankings
Ranking Based On Selection: 3
Bradley N Reames
Metrics
H-Index
i10 Index
Citation Counts
27
44
3,028
Pancreas Cancer
HPB Surgery
Surgical Oncology
Regional Variations
Health Services Research
Rankings
Ranking Based On Selection: 4
Joshua Mammen
Metrics
H-Index
i10 Index
Citation Counts
24
35
2,591
surgical oncology
melanoma
sarcoma
stem cell biology
cancer biology
Rankings
Ranking Based On Selection: 5
Fedja Rochling
Metrics
H-Index
i10 Index
Citation Counts
17
21
4,057
Liver transplantation
Intestinal Transplantation
Liver cancer
Intestinal rehabilitation
Rankings
Ranking Based On Selection: 9
Hassan Nasser
Metrics
H-Index
i10 Index
Citation Counts
11
11
375
Rankings
Ranking Based On Selection: 10
Ujwal Reddy Yanala
Metrics
H-Index
i10 Index
Citation Counts
11
12
558
Surgery
Surgical oncology
Colorectal surgery
Minimally Invasive Surgical Oncology
Bariatric Surgery

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Rankings
Ranking Based On Selection: 11
Prateek Sharma
Metrics
H-Index
i10 Index
Citation Counts
11
11
423
Rankings
Ranking Based On Selection: 12
Chunmeng Michelle Zhang
Metrics
H-Index
i10 Index
Citation Counts
6
4
353
Rankings
Ranking Based On Selection: 13
Wt Hillman Terzian
Metrics
H-Index
i10 Index
Citation Counts
6
4
347
acute care surgery
emergency general surgery
surgical critical care
trauma
quality improvement
Rankings
Ranking Based On Selection: 14
Mike Matos|Miguel Matos
Metrics
H-Index
i10 Index
Citation Counts
4
2
72
general surgery
trauma
emergency general surgery
surgical critical care
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