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: 7
Shiu Kum Lam Obe
gastroenterology and hepatology
H pylori
gastrointestinal endoscopy
endoscopic mucosal resection
gastric physiology
Metrics
H-Index
i10 Index
Citation
89
347
30,062
* Rankings
Ranking Based On Selection: 9
James Fung
Gastroenterology
Hepatology
Viral Hepatitis
Liver Transplantation
Metrics
H-Index
i10 Index
Citation
67
193
15,026

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: 1
Francis Kl Chan
Metrics
H-Index
i10 Index
Citation Counts
138
495
86,781
Rankings
Ranking Based On Selection: 2
Man Fung Yuen
Metrics
H-Index
i10 Index
Citation Counts
116
531
59,881
Rankings
Ranking Based On Selection: 3
Siew C Ng
Metrics
H-Index
i10 Index
Citation Counts
114
374
62,174
Rankings
Ranking Based On Selection: 4
Justin Wu
Metrics
H-Index
i10 Index
Citation Counts
94
381
42,770
Rankings
Ranking Based On Selection: 5
Wai K Leung
Metrics
H-Index
i10 Index
Citation Counts
92
376
35,294
Rankings
Ranking Based On Selection: 6
Bcy Wong
Metrics
H-Index
i10 Index
Citation Counts
89
272
31,507
Rankings
Ranking Based On Selection: 7
Shiu Kum Lam Obe
Metrics
H-Index
i10 Index
Citation Counts
89
347
30,062
gastroenterology and hepatology
H pylori
gastrointestinal endoscopy
endoscopic mucosal resection
gastric physiology
Rankings
Ranking Based On Selection: 8
Danny Wong
Metrics
H-Index
i10 Index
Citation Counts
72
180
15,398
Rankings
Ranking Based On Selection: 9
James Fung
Metrics
H-Index
i10 Index
Citation Counts
67
193
15,026
Gastroenterology
Hepatology
Viral Hepatitis
Liver Transplantation
Rankings
Ranking Based On Selection: 10
Wai-Kay Seto 司徒偉基
Metrics
H-Index
i10 Index
Citation Counts
65
211
16,239

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
Kang Wei
Metrics
H-Index
i10 Index
Citation Counts
53
104
9,555
Rankings
Ranking Based On Selection: 12
Cheung Ka Shing
Metrics
H-Index
i10 Index
Citation Counts
41
91
7,340
Rankings
Ranking Based On Selection: 13
YT Lee
Metrics
H-Index
i10 Index
Citation Counts
36
61
8,446