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" (873,688 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: 2
Ian Davis
oncology
genitourinary cancers
immunology
immunotherapy
melanoma
Metrics
H-Index
i10 Index
Citation
79
251
28,354
* Rankings
Ranking Based On Selection: 3
Arun Azad
Prostate cancer
genitourinary cancer
translational research
biomarkers
clinical trials
Metrics
H-Index
i10 Index
Citation
49
127
10,347
Susan Harden
Radiation Oncology (Thoracic and GU) and Cancer Registries
Metrics
H-Index
i10 Index
Citation
27
43
3,678
Caroline Wright
Radiation Therapy
Professionalism
Fitness to Practise
Metrics
H-Index
i10 Index
Citation
16
21
940
Gwo Yaw Ho
Oncology
Translational Research
Pre-clinical Model
Metrics
H-Index
i10 Index
Citation
13
15
1,587

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Bianca Devitt
breast and lung oncology
health services research
geriatric oncology
supportive care
Metrics
H-Index
i10 Index
Citation
10
10
687
Catriona Parker
oncology
haematology
palliative care
supportive care
Metrics
H-Index
i10 Index
Citation
5
4
103
Rankings
Ranking Based On Selection: 1
Melissa C Southey
Metrics
H-Index
i10 Index
Citation Counts
133
577
73,654
Rankings
Ranking Based On Selection: 2
Ian Davis
Metrics
H-Index
i10 Index
Citation Counts
79
251
28,354
oncology
genitourinary cancers
immunology
immunotherapy
melanoma
Rankings
Ranking Based On Selection: 3
Arun Azad
Metrics
H-Index
i10 Index
Citation Counts
49
127
10,347
Prostate cancer
genitourinary cancer
translational research
biomarkers
clinical trials
Rankings
Ranking Based On Selection: 4
Eva Segelov
Metrics
H-Index
i10 Index
Citation Counts
39
86
4,734
Rankings
Ranking Based On Selection: 5
Jeremy Shapiro
Metrics
H-Index
i10 Index
Citation Counts
39
84
10,450
Rankings
Ranking Based On Selection: 6
Susan Harden
Metrics
H-Index
i10 Index
Citation Counts
27
43
3,678
Radiation Oncology (Thoracic and GU) and Cancer Registries
Rankings
Ranking Based On Selection: 7
David William Pook
Metrics
H-Index
i10 Index
Citation Counts
26
36
5,925
Rankings
Ranking Based On Selection: 8
Malaka Ameratunga
Metrics
H-Index
i10 Index
Citation Counts
18
22
1,280
Rankings
Ranking Based On Selection: 9
Caroline Wright
Metrics
H-Index
i10 Index
Citation Counts
16
21
940
Radiation Therapy
Professionalism
Fitness to Practise
Rankings
Ranking Based On Selection: 10
Gwo Yaw Ho
Metrics
H-Index
i10 Index
Citation Counts
13
15
1,587
Oncology
Translational Research
Pre-clinical Model

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Rankings
Ranking Based On Selection: 11
Kellie Knight
Metrics
H-Index
i10 Index
Citation Counts
12
14
657
Rankings
Ranking Based On Selection: 12
Bianca Devitt
Metrics
H-Index
i10 Index
Citation Counts
10
10
687
breast and lung oncology
health services research
geriatric oncology
supportive care
Rankings
Ranking Based On Selection: 13
Amy Davies
Metrics
H-Index
i10 Index
Citation Counts
6
3
133
Rankings
Ranking Based On Selection: 14
Fiona Page
Metrics
H-Index
i10 Index
Citation Counts
6
5
908
Rankings
Ranking Based On Selection: 15
Catriona Parker
Metrics
H-Index
i10 Index
Citation Counts
5
4
103
oncology
haematology
palliative care
supportive care
Rankings
Ranking Based On Selection: 16
Jen G Cheung
Metrics
H-Index
i10 Index
Citation Counts
2
0
14