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
Timothy A Chan
medicine
oncology
immunology
genomics
biology
Metrics
H-Index
i10 Index
Citation
135
274
111,823
* Rankings
Ranking Based On Selection :2
Manmeet Ahluwalia|Manmeet Singh Ahluwalia, Manmeet Ahluwalia
Neuro-Oncology
Glioblastoma
Clinical trials
Brain metastases
High-grade gliomas
Metrics
H-Index
i10 Index
Citation
66
200
17,582
Robert M Dean
Oncology
hematology
lymphoma
bone marrow transplantation
medical education
Metrics
H-Index
i10 Index
Citation
31
86
3,468
Suneel Kamath
oncology
advocacy
nonprofit organizations
immunotherapy
Metrics
H-Index
i10 Index
Citation
18
26
1,237
Jacob Shreve
Hematology
Medical Oncology
Precision Medicine
Metrics
H-Index
i10 Index
Citation
17
23
1,198
Lukas Delasos
Thoracic oncology
immunotherapy
molecular targeted therapy
Metrics
H-Index
i10 Index
Citation
12
15
696
Rankings
Ranking Based On Selection: 1
Timothy A Chan
Metrics
H-Index
i10 Index
Citation Counts
135
274
111,823
Rankings
Ranking Based On Selection: 2
Manmeet Ahluwalia|Manmeet Singh Ahluwalia, Manmeet Ahluwalia
Metrics
H-Index
i10 Index
Citation Counts
66
200
17,582
Neuro-Oncology
Glioblastoma
Clinical trials
Brain metastases
High-grade gliomas
Rankings
Ranking Based On Selection: 3
Chirag Shah
Metrics
H-Index
i10 Index
Citation Counts
42
143
6,320
Rankings
Ranking Based On Selection: 4
Robert M Dean
Metrics
H-Index
i10 Index
Citation Counts
31
86
3,468
Oncology
hematology
lymphoma
bone marrow transplantation
medical education
Rankings
Ranking Based On Selection: 5
Suneel Kamath
Metrics
H-Index
i10 Index
Citation Counts
18
26
1,237
oncology
advocacy
nonprofit organizations
immunotherapy
Rankings
Ranking Based On Selection: 6
Ehsan H Balagamwala
Metrics
H-Index
i10 Index
Citation Counts
17
23
1,502
Rankings
Ranking Based On Selection: 7
Jacob Shreve
Metrics
H-Index
i10 Index
Citation Counts
17
23
1,198
Rankings
Ranking Based On Selection: 8
Santoshi Muppala
Metrics
H-Index
i10 Index
Citation Counts
14
16
1,332
Rankings
Ranking Based On Selection: 9
Lukas Delasos
Metrics
H-Index
i10 Index
Citation Counts
12
15
696
Thoracic oncology
immunotherapy
molecular targeted therapy
Rankings
Ranking Based On Selection: 10
Nikhil Joshi
Metrics
H-Index
i10 Index
Citation Counts
12
15
439
Rankings
Ranking Based On Selection: 11
Jimmy Broughman
Metrics
H-Index
i10 Index
Citation Counts
11
15
653
Rankings
Ranking Based On Selection: 12
Christopher Lemmon
Metrics
H-Index
i10 Index
Citation Counts
11
11
2,454
Rankings
Ranking Based On Selection: 13
Sarah Kilic
Metrics
H-Index
i10 Index
Citation Counts
11
11
603