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" (910,673 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
Tracy Lieu
Telehealth
decision sciences
pediatrics
vaccines
Metrics
H-Index
i10 Index
Citation
86
212
23,916
* Rankings
Ranking Based On Selection: 3
Eileen M Walsh
Pediatrics
Neonatal Intensive Care
Perinatal Epidemiology
Health Services Research
Metrics
H-Index
i10 Index
Citation
26
37
3,696
Cynthia H Ho
Internal Medicine
Pediatrics
Clinical Teaching
Hospital Medicine
Metrics
H-Index
i10 Index
Citation
6
2
114
Rankings
Ranking Based On Selection: 1
Tracy Lieu
Metrics
H-Index
i10 Index
Citation Counts
86
212
23,916
Rankings
Ranking Based On Selection: 2
B Ackerson
Metrics
H-Index
i10 Index
Citation Counts
31
57
5,823
Rankings
Ranking Based On Selection: 3
Eileen M Walsh
Metrics
H-Index
i10 Index
Citation Counts
26
37
3,696
Pediatrics
Neonatal Intensive Care
Perinatal Epidemiology
Health Services Research
Rankings
Ranking Based On Selection: 4
Kieran Phelan
Metrics
H-Index
i10 Index
Citation Counts
21
27
5,333
Rankings
Ranking Based On Selection: 5
Cynthia H Ho
Metrics
H-Index
i10 Index
Citation Counts
6
2
114
Internal Medicine
Pediatrics
Clinical Teaching
Hospital Medicine
Rankings
Ranking Based On Selection: 6
Michael SL Ching
Metrics
H-Index
i10 Index
Citation Counts
4
3
440