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 :4
Peter F Coccia
Pediatric Oncology
Stem Cell Transplantation
Adolescent and Young Adult Oncology
Hematologic Malignancies
Metrics
H-Index
i10 Index
Citation
67
156
13,971
* Rankings
Ranking Based On Selection :7
Ho Cheung William Li
Pediatric oncology
psycho-oncology
smoking cessation
Metrics
H-Index
i10 Index
Citation
64
301
16,511
* Rankings
Ranking Based On Selection :16
Suradej Hongeng
pediatric oncology
thalassemia
cell and gene therapy
Metrics
H-Index
i10 Index
Citation
47
181
8,910
* Rankings
Ranking Based On Selection :21
Miklós Garami
pediatric oncology
gene expression profiles
cancer registry
Metrics
H-Index
i10 Index
Citation
41
77
12,332
* Rankings
Ranking Based On Selection :25
Julia Glade Bender
Pediatric Oncology
Clinical Trials
Precision Oncology
Antiangiogenesis
Sarcoma/ Neuroblastoma
Metrics
H-Index
i10 Index
Citation
38
77
5,186
* Rankings
Ranking Based On Selection :27
Sherif Badawy
Hematology
Oncology
Transplant
Outcomes Research
mHealth
Metrics
H-Index
i10 Index
Citation
37
94
4,699
* Rankings
Ranking Based On Selection :32
Rejin Kebudi
Çocuk onkoloji-hematoloji
çocuk sağlığı ve hastalıkları
Metrics
H-Index
i10 Index
Citation
34
97
5,449
* Rankings
Ranking Based On Selection :34
Aru Narendran
Pediatric oncology
New therapeutics development
Early phase clinical trials
Cancer vaccines
Metrics
H-Index
i10 Index
Citation
34
74
10,117
* Rankings
Ranking Based On Selection :36
Ekrem Ünal
Pediatric Hematology Oncology
HSCT
Blood Banking & Transfusion
Molecular Biology
Genetic disease
Metrics
H-Index
i10 Index
Citation
33
97
4,104
* Rankings
Ranking Based On Selection :40
Biobele J. Brown
Paediatric Haematology and Oncology
HIV
Malaria
Metrics
H-Index
i10 Index
Citation
31
74
2,855
* Rankings
Ranking Based On Selection :41
Türkan Patıroğlu
Pediatrik hematoloji-onkoloji
pediatrik immünoloji
Metrics
H-Index
i10 Index
Citation
31
80
3,886
* Rankings
Ranking Based On Selection :42
Raya Saab
Pediatric Oncology
Molecular oncogenesis and tumor suppression
Metrics
H-Index
i10 Index
Citation
30
63
3,511
* Rankings
Ranking Based On Selection :44
Hugh I Kim
Ion mobility mass spectrometry
amyloid proteins
supramolecular chemistry
Pediatric hematology and oncology
Metrics
H-Index
i10 Index
Citation
30
54
3,201
* Rankings
Ranking Based On Selection :46
Paul Galardy
Pediatric Oncology
the role of ubiqutin in cancer pathogenesis
de-ubiquitinating enzymes
B-cell lymphoma biology
neuroblastoma biology
Metrics
H-Index
i10 Index
Citation
29
40
4,174
* Rankings
Ranking Based On Selection :48
Issarang Nuchprayoon
Pediatric hematology
Pediatric oncology
Palliative care
Metrics
H-Index
i10 Index
Citation
29
52
3,636
* Rankings
Ranking Based On Selection :55
Akshay Sharma
Pediatric Hematology
Oncology
Stem Cell Transplantation
Gene Therapy
Metrics
H-Index
i10 Index
Citation
26
58
4,503
* Rankings
Ranking Based On Selection :56
Musa Karakükcü
Pediatric Hematology Oncology Bone Marrow Transplantation
Metrics
H-Index
i10 Index
Citation
26
65
2,589
* Rankings
Ranking Based On Selection :58
Nancy Samir Elbarbary
Pediatric Diabetes
Pediatric hematology
Pediatric Oncology
Metrics
H-Index
i10 Index
Citation
26
42
3,153
* Rankings
Ranking Based On Selection :60
Athanasios Tragiannidis
Pediatric Hematology Oncology
Infections in Immunocompromised Ghildren
Vaccines
Metrics
H-Index
i10 Index
Citation
25
62
2,890
Alison Friedmann
pediatric oncology
supportive care
hematologic malignancies
soft tissue sarcoma
Metrics
H-Index
i10 Index
Citation
24
33
2,435
* Rankings
Ranking Based On Selection :69
Raffaele Renella
Pediatric Hematology-Oncology
Erythroid Biology
Hematopoiesis
Stem Cells
Metrics
H-Index
i10 Index
Citation
22
36
1,954
* Rankings
Ranking Based On Selection :71
Ahmet Koç
Çocuk Sağlığı ve Hastalıkları
Hematoloji
Çocuk Hematolojisi ve Onkolojisi
Metrics
H-Index
i10 Index
Citation
22
45
1,823
Anand Patel
Pediatric oncology
sarcoma
neuroblastoma
single-cell biology
Metrics
H-Index
i10 Index
Citation
20
23
4,476
Yi Zeng
Pediatric Hematology/Oncology
Tumor Immunology
Immunotherapy
Drug Development
Clinical Trials
Metrics
H-Index
i10 Index
Citation
20
30
2,018
Lara Wahlster
Hematology
Pediatric Hematology and Oncology
Bone Marrow Transplantation
Hematopoiesis
Metrics
H-Index
i10 Index
Citation
18
21
1,675
Michael Vincent Ortiz
Pediatric Oncology
Kidney Tumors
Liver Tumors
Rare Cancers
Developmental Therapeutics
Metrics
H-Index
i10 Index
Citation
17
28
1,127
* Rankings
Ranking Based On Selection :99
Baris Malbora No -X
Bone Marrow Transplantation
Childhood Leukemia
Coagulopathy
Nutritional Anemia
Bone Marrow Failure
Metrics
H-Index
i10 Index
Citation
17
25
1,055
Rankings
Ranking Based On Selection: 1
Stuart Orkin
Metrics
H-Index
i10 Index
Citation Counts
219
608
152,570
Rankings
Ranking Based On Selection: 2
Raul Ribeiro
Metrics
H-Index
i10 Index
Citation Counts
116
410
46,915
Rankings
Ranking Based On Selection: 3
William L Carroll
Metrics
H-Index
i10 Index
Citation Counts
103
285
40,010
Rankings
Ranking Based On Selection: 4
Peter F Coccia
Metrics
H-Index
i10 Index
Citation Counts
67
156
13,971
Pediatric Oncology
Stem Cell Transplantation
Adolescent and Young Adult Oncology
Hematologic Malignancies
Rankings
Ranking Based On Selection: 5
Dean Anthony Lee
Metrics
H-Index
i10 Index
Citation Counts
65
159
15,275
Rankings
Ranking Based On Selection: 6
Paul Nathan
Metrics
H-Index
i10 Index
Citation Counts
65
211
17,158
Rankings
Ranking Based On Selection: 7
Ho Cheung William Li
Metrics
H-Index
i10 Index
Citation Counts
64
301
16,511
Pediatric oncology
psycho-oncology
smoking cessation
Rankings
Ranking Based On Selection: 8
Helmut Hanenberg
Metrics
H-Index
i10 Index
Citation Counts
64
168
16,941
Rankings
Ranking Based On Selection: 9
Godfrey Chan
Metrics
H-Index
i10 Index
Citation Counts
61
190
13,952
Rankings
Ranking Based On Selection: 10
Claire E Wakefield
Metrics
H-Index
i10 Index
Citation Counts
57
202
10,439
Rankings
Ranking Based On Selection: 11
Gianni Bisogno
Metrics
H-Index
i10 Index
Citation Counts
57
127
9,274
Rankings
Ranking Based On Selection: 12
Ugo Ramenghi
Metrics
H-Index
i10 Index
Citation Counts
56
144
10,683
Rankings
Ranking Based On Selection: 13
Hannah Tamary
Metrics
H-Index
i10 Index
Citation Counts
48
139
8,433
Rankings
Ranking Based On Selection: 14
Maria Luisa Garrè
Metrics
H-Index
i10 Index
Citation Counts
48
115
8,462
Rankings
Ranking Based On Selection: 15
Junichiro Fujimoto
Metrics
H-Index
i10 Index
Citation Counts
48
131
7,384
Rankings
Ranking Based On Selection: 16
Suradej Hongeng
Metrics
H-Index
i10 Index
Citation Counts
47
181
8,910
pediatric oncology
thalassemia
cell and gene therapy
Rankings
Ranking Based On Selection: 17
Abdullah Murat Tuncer
Metrics
H-Index
i10 Index
Citation Counts
46
244
11,307
Rankings
Ranking Based On Selection: 18
Charles T Quinn
Metrics
H-Index
i10 Index
Citation Counts
46
101
8,217
Pediatric Hematology
sickle cell disease
thalassemia
anemia
Rankings
Ranking Based On Selection: 19
Uma Athale
Metrics
H-Index
i10 Index
Citation Counts
45
79
6,453
Rankings
Ranking Based On Selection: 20
Amal El Beshlawy
Metrics
H-Index
i10 Index
Citation Counts
42
93
7,030
Rankings
Ranking Based On Selection: 21
Miklós Garami
Metrics
H-Index
i10 Index
Citation Counts
41
77
12,332
pediatric oncology
gene expression profiles
cancer registry
Rankings
Ranking Based On Selection: 22
Jochen Rössler
Metrics
H-Index
i10 Index
Citation Counts
39
85
7,126
Rankings
Ranking Based On Selection: 23
Clinton H Joiner
Metrics
H-Index
i10 Index
Citation Counts
39
82
6,017
Rankings
Ranking Based On Selection: 24
Jack F Shern
Metrics
H-Index
i10 Index
Citation Counts
38
61
8,727
Rankings
Ranking Based On Selection: 25
Julia Glade Bender
Metrics
H-Index
i10 Index
Citation Counts
38
77
5,186
Pediatric Oncology
Clinical Trials
Precision Oncology
Antiangiogenesis
Sarcoma/ Neuroblastoma
Rankings
Ranking Based On Selection: 26
Fumio Bessho
Metrics
H-Index
i10 Index
Citation Counts
38
78
5,282
Rankings
Ranking Based On Selection: 27
Sherif Badawy
Metrics
H-Index
i10 Index
Citation Counts
37
94
4,699
Hematology
Oncology
Transplant
Outcomes Research
mHealth
Rankings
Ranking Based On Selection: 28
Thomas Leth Frandsen
Metrics
H-Index
i10 Index
Citation Counts
37
69
5,402
Rankings
Ranking Based On Selection: 29
Doriana Fruci
Metrics
H-Index
i10 Index
Citation Counts
37
68
4,937
Rankings
Ranking Based On Selection: 30
Mohsen Saleh Elalfy
Metrics
H-Index
i10 Index
Citation Counts
36
72
5,009
Rankings
Ranking Based On Selection: 31
Ariel Koren
Metrics
H-Index
i10 Index
Citation Counts
35
71
3,852
Rankings
Ranking Based On Selection: 32
Rejin Kebudi
Metrics
H-Index
i10 Index
Citation Counts
34
97
5,449
Çocuk onkoloji-hematoloji
çocuk sağlığı ve hastalıkları
Rankings
Ranking Based On Selection: 33
Deepak Bansal
Metrics
H-Index
i10 Index
Citation Counts
34
129
4,350
Rankings
Ranking Based On Selection: 34
Aru Narendran
Metrics
H-Index
i10 Index
Citation Counts
34
74
10,117
Pediatric oncology
New therapeutics development
Early phase clinical trials
Cancer vaccines
Rankings
Ranking Based On Selection: 35
Maryam Ebadi
Metrics
H-Index
i10 Index
Citation Counts
33
75
4,156
Rankings
Ranking Based On Selection: 36
Ekrem Ünal
Metrics
H-Index
i10 Index
Citation Counts
33
97
4,104
Pediatric Hematology Oncology
HSCT
Blood Banking & Transfusion
Molecular Biology
Genetic disease
Rankings
Ranking Based On Selection: 37
Jessica Keim Malpass
Metrics
H-Index
i10 Index
Citation Counts
32
90
3,432
Rankings
Ranking Based On Selection: 38
Ibrahim Ahmed
Metrics
H-Index
i10 Index
Citation Counts
32
62
3,156
Rankings
Ranking Based On Selection: 39
F Antillon Klussmann
Metrics
H-Index
i10 Index
Citation Counts
32
63
3,744
Rankings
Ranking Based On Selection: 40
Biobele J. Brown
Metrics
H-Index
i10 Index
Citation Counts
31
74
2,855
Rankings
Ranking Based On Selection: 41
Türkan Patıroğlu
Metrics
H-Index
i10 Index
Citation Counts
31
80
3,886
Rankings
Ranking Based On Selection: 42
Raya Saab
Metrics
H-Index
i10 Index
Citation Counts
30
63
3,511
Pediatric Oncology
Molecular oncogenesis and tumor suppression
Rankings
Ranking Based On Selection: 43
Peyman Eshghi
Metrics
H-Index
i10 Index
Citation Counts
30
67
3,430
Rankings
Ranking Based On Selection: 44
Hugh I Kim
Metrics
H-Index
i10 Index
Citation Counts
30
54
3,201
Ion mobility mass spectrometry
amyloid proteins
supramolecular chemistry
Pediatric hematology and oncology
Rankings
Ranking Based On Selection: 45
Annick Mühlethaler-Mottet
Metrics
H-Index
i10 Index
Citation Counts
30
34
4,836
Rankings
Ranking Based On Selection: 46
Paul Galardy
Metrics
H-Index
i10 Index
Citation Counts
29
40
4,174
Pediatric Oncology
the role of ubiqutin in cancer pathogenesis
de-ubiquitinating enzymes
B-cell lymphoma biology
neuroblastoma biology
Rankings
Ranking Based On Selection: 47
Eftichia Stiakaki And Eftychia Stiakaki And Eftichia Steiakaki
Metrics
H-Index
i10 Index
Citation Counts
29
76
2,702
Rankings
Ranking Based On Selection: 48
Issarang Nuchprayoon
Metrics
H-Index
i10 Index
Citation Counts
29
52
3,636
Pediatric hematology
Pediatric oncology
Palliative care
Rankings
Ranking Based On Selection: 49
Samantha Gouw
Metrics
H-Index
i10 Index
Citation Counts
28
50
4,479
Rankings
Ranking Based On Selection: 50
Zeynep Karakaş
Metrics
H-Index
i10 Index
Citation Counts
28
62
2,953
Rankings
Ranking Based On Selection: 51
Bryce A Kerlin
Metrics
H-Index
i10 Index
Citation Counts
28
51
3,282
Rankings
Ranking Based On Selection: 52
Farzad Kompani
Metrics
H-Index
i10 Index
Citation Counts
27
47
5,709
Rankings
Ranking Based On Selection: 53
Bryan Sisk
Metrics
H-Index
i10 Index
Citation Counts
27
53
2,287
Rankings
Ranking Based On Selection: 54
Anthony N. Ikefuna
Metrics
H-Index
i10 Index
Citation Counts
27
76
2,386
Rankings
Ranking Based On Selection: 55
Akshay Sharma
Metrics
H-Index
i10 Index
Citation Counts
26
58
4,503
Pediatric Hematology
Oncology
Stem Cell Transplantation
Gene Therapy
Rankings
Ranking Based On Selection: 56
Musa Karakükcü
Metrics
H-Index
i10 Index
Citation Counts
26
65
2,589
Pediatric Hematology Oncology Bone Marrow Transplantation
Rankings
Ranking Based On Selection: 57
‪Helen Toledano‬‏
Metrics
H-Index
i10 Index
Citation Counts
26
44
4,449
Rankings
Ranking Based On Selection: 58
Nancy Samir Elbarbary
Metrics
H-Index
i10 Index
Citation Counts
26
42
3,153
Pediatric Diabetes
Pediatric hematology
Pediatric Oncology
Rankings
Ranking Based On Selection: 59
Sinan Akbayram
Metrics
H-Index
i10 Index
Citation Counts
26
61
2,042
Rankings
Ranking Based On Selection: 60
Athanasios Tragiannidis
Metrics
H-Index
i10 Index
Citation Counts
25
62
2,890
Pediatric Hematology Oncology
Infections in Immunocompromised Ghildren
Vaccines
Rankings
Ranking Based On Selection: 61
Alison Friedmann
Metrics
H-Index
i10 Index
Citation Counts
24
33
2,435
pediatric oncology
supportive care
hematologic malignancies
soft tissue sarcoma
Rankings
Ranking Based On Selection: 62
Ali Bay
Metrics
H-Index
i10 Index
Citation Counts
24
50
2,000
Rankings
Ranking Based On Selection: 63
Betül Tavil
Metrics
H-Index
i10 Index
Citation Counts
24
63
2,083
Rankings
Ranking Based On Selection: 64
Lauro José Gregianin
Metrics
H-Index
i10 Index
Citation Counts
23
37
1,166
Rankings
Ranking Based On Selection: 65
Ukhyun Jo
Metrics
H-Index
i10 Index
Citation Counts
23
32
1,222
Rankings
Ranking Based On Selection: 66
Rabi Hanna
Metrics
H-Index
i10 Index
Citation Counts
22
41
1,981
Rankings
Ranking Based On Selection: 67
Ryan David Roberts
Metrics
H-Index
i10 Index
Citation Counts
22
34
2,249
Pediatric oncology
Mechanisms of metastais
Sarcoma biology
Rankings
Ranking Based On Selection: 68
Jason Farrar
Metrics
H-Index
i10 Index
Citation Counts
22
34
2,862
Rankings
Ranking Based On Selection: 69
Raffaele Renella
Metrics
H-Index
i10 Index
Citation Counts
22
36
1,954
Pediatric Hematology-Oncology
Erythroid Biology
Hematopoiesis
Stem Cells
Rankings
Ranking Based On Selection: 71
Ahmet Koç
Metrics
H-Index
i10 Index
Citation Counts
22
45
1,823
Çocuk Sağlığı ve Hastalıkları
Hematoloji
Çocuk Hematolojisi ve Onkolojisi
Rankings
Ranking Based On Selection: 72
Hasegawa Daisuke
Metrics
H-Index
i10 Index
Citation Counts
22
32
1,754
Rankings
Ranking Based On Selection: 73
Asim Belgaumi
Metrics
H-Index
i10 Index
Citation Counts
22
35
1,694
Rankings
Ranking Based On Selection: 74
Erol Erduran
Metrics
H-Index
i10 Index
Citation Counts
22
49
1,700
Rankings
Ranking Based On Selection: 75
Emel Özyürek
Metrics
H-Index
i10 Index
Citation Counts
22
37
1,572
Rankings
Ranking Based On Selection: 76
Tomoo Osumi
Metrics
H-Index
i10 Index
Citation Counts
21
37
1,591
Rankings
Ranking Based On Selection: 77
Tamer Hassan
Metrics
H-Index
i10 Index
Citation Counts
21
43
2,304
Rankings
Ranking Based On Selection: 78
Randal Olshefski
Metrics
H-Index
i10 Index
Citation Counts
21
32
1,430
Rankings
Ranking Based On Selection: 79
Yasemin Altuner Torun
Metrics
H-Index
i10 Index
Citation Counts
20
40
1,231
Rankings
Ranking Based On Selection: 80
Anand Patel
Metrics
H-Index
i10 Index
Citation Counts
20
23
4,476
Pediatric oncology
sarcoma
neuroblastoma
single-cell biology
Rankings
Ranking Based On Selection: 81
Andrew Moore
Metrics
H-Index
i10 Index
Citation Counts
20
23
4,346
Rankings
Ranking Based On Selection: 82
Chris Mpofu
Metrics
H-Index
i10 Index
Citation Counts
20
26
1,591
Rankings
Ranking Based On Selection: 83
Yi Zeng
Metrics
H-Index
i10 Index
Citation Counts
20
30
2,018
Pediatric Hematology/Oncology
Tumor Immunology
Immunotherapy
Drug Development
Clinical Trials
Rankings
Ranking Based On Selection: 84
Edamisan Olusoji Temiye
Metrics
H-Index
i10 Index
Citation Counts
20
33
1,180
Rankings
Ranking Based On Selection: 85
Tunç Fışgın
Metrics
H-Index
i10 Index
Citation Counts
19
29
1,428
Rankings
Ranking Based On Selection: 86
Canan Albayrak
Metrics
H-Index
i10 Index
Citation Counts
19
38
1,066
Rankings
Ranking Based On Selection: 87
Meaad Kadhum Hassan
Metrics
H-Index
i10 Index
Citation Counts
19
31
1,197
Rankings
Ranking Based On Selection: 88
Radosław Chaber
Metrics
H-Index
i10 Index
Citation Counts
18
29
1,121
Rankings
Ranking Based On Selection: 89
Lara Wahlster
Metrics
H-Index
i10 Index
Citation Counts
18
21
1,675
Hematology
Pediatric Hematology and Oncology
Bone Marrow Transplantation
Hematopoiesis
Rankings
Ranking Based On Selection: 90
Walter Barberi
Metrics
H-Index
i10 Index
Citation Counts
18
29
1,535
Rankings
Ranking Based On Selection: 91
Constance Tenge
Metrics
H-Index
i10 Index
Citation Counts
18
25
1,202
Rankings
Ranking Based On Selection: 92
Mona Hamdy
Metrics
H-Index
i10 Index
Citation Counts
18
33
1,006
Rankings
Ranking Based On Selection: 94
Hacı Ahmet Demir
Metrics
H-Index
i10 Index
Citation Counts
18
33
1,144
Rankings
Ranking Based On Selection: 95
Ahmed Sami Khalifa
Metrics
H-Index
i10 Index
Citation Counts
18
27
1,139
Rankings
Ranking Based On Selection: 96
Michael Vincent Ortiz
Metrics
H-Index
i10 Index
Citation Counts
17
28
1,127
Pediatric Oncology
Kidney Tumors
Liver Tumors
Rare Cancers
Developmental Therapeutics
Rankings
Ranking Based On Selection: 97
Daniel C Moreira
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,588
Pediatric oncology
global oncology
medical education
Rankings
Ranking Based On Selection: 98
Mohammad Reza Bordbar
Metrics
H-Index
i10 Index
Citation Counts
17
37
1,002
Rankings
Ranking Based On Selection: 99
Baris Malbora No -X
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,055
Bone Marrow Transplantation
Childhood Leukemia
Coagulopathy
Nutritional Anemia
Bone Marrow Failure
Rankings
Ranking Based On Selection: 100
Jeong A Park
Metrics
H-Index
i10 Index
Citation Counts
17
22
981
Pediatric hematology and oncology
Cancer Immunotherapy