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.

Joelle Hallak
health outcomes research
biostatistics
epidemiology
machine learning
medicine
Metrics
H-Index
i10 Index
Citation
24
42
2,040
Rankings
Ranking Based On Selection: 1
Zhengjia Chen
Metrics
H-Index
i10 Index
Citation Counts
66
193
13,206
Rankings
Ranking Based On Selection: 2
Richard T Campbell
Metrics
H-Index
i10 Index
Citation Counts
49
90
8,410
Rankings
Ranking Based On Selection: 3
Joelle Hallak
Metrics
H-Index
i10 Index
Citation Counts
24
42
2,040
health outcomes research
biostatistics
epidemiology
machine learning
medicine
Rankings
Ranking Based On Selection: 4
Jiehuan Sun
Metrics
H-Index
i10 Index
Citation Counts
16
20
1,391
Rankings
Ranking Based On Selection: 5
Soumya Sahu
Metrics
H-Index
i10 Index
Citation Counts
2
1
28