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" (870,053 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: 3
Shaban Alizadeh
hematology
rare bleeding disorders
cancer
microRNA
epigenetics
Metrics
H-Index
i10 Index
Citation
24
57
2,046
Tahereh Rostami
1) Stem Cell Transplant 2) Acute Lymphoblastic Leukemia/ Adolesent and Young Adults
Metrics
H-Index
i10 Index
Citation
9
7
294

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 1
Seyed H Ghaffari
Metrics
H-Index
i10 Index
Citation Counts
43
137
8,935
Rankings
Ranking Based On Selection: 2
Farzad Kompani
Metrics
H-Index
i10 Index
Citation Counts
28
50
7,292
Rankings
Ranking Based On Selection: 3
Shaban Alizadeh
Metrics
H-Index
i10 Index
Citation Counts
24
57
2,046
hematology
rare bleeding disorders
cancer
microRNA
epigenetics
Rankings
Ranking Based On Selection: 4
Elham Farhadi
Metrics
H-Index
i10 Index
Citation Counts
24
51
2,121
Rankings
Ranking Based On Selection: 5
Marjan Yaghmaie
Metrics
H-Index
i10 Index
Citation Counts
19
31
1,294
Rankings
Ranking Based On Selection: 6
Nasrollah Maleki
Metrics
H-Index
i10 Index
Citation Counts
18
28
940
Rankings
Ranking Based On Selection: 8
Hoda Zahedi
Metrics
H-Index
i10 Index
Citation Counts
12
14
899
Rankings
Ranking Based On Selection: 9
Mohammadreza Ostadali
Metrics
H-Index
i10 Index
Citation Counts
9
9
447
Rankings
Ranking Based On Selection: 10
Tahereh Rostami
Metrics
H-Index
i10 Index
Citation Counts
9
7
294
1) Stem Cell Transplant 2) Acute Lymphoblastic Leukemia/ Adolesent and Young Adults

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Azadeh Kiumarsi
Metrics
H-Index
i10 Index
Citation Counts
8
6
248
Rankings
Ranking Based On Selection: 12
Shahrzad Soleymani Fard
Metrics
H-Index
i10 Index
Citation Counts
8
7
1,833