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" (873,864 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
Sufi Thomas
Head and neck cancer
Tumor Microenvironment
Experimental Therapeutics
Metrics
H-Index
i10 Index
Citation
54
88
21,696
Kevin Sykes
Healthcare Delivery Research
Health Disparities
Short-Term Medical Service Trips
Metrics
H-Index
i10 Index
Citation
27
52
2,329
Paul Bryan Hankey
otolaryngology
medical education
gastroenterology
shiga toxin
post-operative ileus
Metrics
H-Index
i10 Index
Citation
3
0
23
Rankings
Ranking Based On Selection: 1
Sufi Thomas
Metrics
H-Index
i10 Index
Citation Counts
54
88
21,696
Head and neck cancer
Tumor Microenvironment
Experimental Therapeutics
Rankings
Ranking Based On Selection: 2
Kevin Sykes
Metrics
H-Index
i10 Index
Citation Counts
27
52
2,329
Healthcare Delivery Research
Health Disparities
Short-Term Medical Service Trips
Rankings
Ranking Based On Selection: 3
Mark R Villwock
Metrics
H-Index
i10 Index
Citation Counts
18
30
2,364
Rankings
Ranking Based On Selection: 4
Gregory A Ator
Metrics
H-Index
i10 Index
Citation Counts
10
10
520
Rankings
Ranking Based On Selection: 5
Kyle Singerman
Metrics
H-Index
i10 Index
Citation Counts
5
4
69
Rankings
Ranking Based On Selection: 6
Paul Bryan Hankey
Metrics
H-Index
i10 Index
Citation Counts
3
0
23
otolaryngology
medical education
gastroenterology
shiga toxin
post-operative ileus