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
Seyed Davar Siadat
Medicine
Immunology and Microbiology
Biochemistry
Genetics
Metrics
H-Index
i10 Index
Citation
39
182
6,030
* Rankings
Ranking Based On Selection :3
Saber Esmaeili
Francisella
Coxiella
Rickettsia
Bartonella
Culture-Negative Endocarditis
Metrics
H-Index
i10 Index
Citation
23
40
1,418
* Rankings
Ranking Based On Selection :4
Saied Reza Naddaf
Medical Entomology
Parasitology
Zoonoses
Molecular systematics
Metrics
H-Index
i10 Index
Citation
22
38
1,585
* Rankings
Ranking Based On Selection :5
Sara Ahmadi Badi
Gut Microbiota
Microbiology
Molecular Cell signalling
Metrics
H-Index
i10 Index
Citation
17
19
1,003
Seyed Ali Nojoumi
microbiology
technology development
tech parks & incubators
knowledge-based companies
Metrics
H-Index
i10 Index
Citation
14
19
791
Rankings
Ranking Based On Selection: 1
Seyed Davar Siadat
Metrics
H-Index
i10 Index
Citation Counts
39
182
6,030
Medicine
Immunology and Microbiology
Biochemistry
Genetics
Rankings
Ranking Based On Selection: 2
Fereshteh Shahcheraghi
Metrics
H-Index
i10 Index
Citation Counts
37
84
7,499
Rankings
Ranking Based On Selection: 3
Saber Esmaeili
Metrics
H-Index
i10 Index
Citation Counts
23
40
1,418
Francisella
Coxiella
Rickettsia
Bartonella
Culture-Negative Endocarditis
Rankings
Ranking Based On Selection: 4
Saied Reza Naddaf
Metrics
H-Index
i10 Index
Citation Counts
22
38
1,585
Medical Entomology
Parasitology
Zoonoses
Molecular systematics
Rankings
Ranking Based On Selection: 5
Sara Ahmadi Badi
Metrics
H-Index
i10 Index
Citation Counts
17
19
1,003
Gut Microbiota
Microbiology
Molecular Cell signalling
Rankings
Ranking Based On Selection: 6
Shahindokht Bassiri-Jahromi
Metrics
H-Index
i10 Index
Citation Counts
17
19
893
Rankings
Ranking Based On Selection: 7
Seyed Fazlollah Mousavi
Metrics
H-Index
i10 Index
Citation Counts
16
27
732
Rankings
Ranking Based On Selection: 8
Seyed Ali Nojoumi
Metrics
H-Index
i10 Index
Citation Counts
14
19
791
microbiology
technology development
tech parks & incubators
knowledge-based companies
Rankings
Ranking Based On Selection: 9
Masoumeh Rasouli Nasab
Metrics
H-Index
i10 Index
Citation Counts
9
8
232
Rankings
Ranking Based On Selection: 10
Ali Torabi
Metrics
H-Index
i10 Index
Citation Counts
8
6
292
Rankings
Ranking Based On Selection: 11
Niloofar Rezaie
Metrics
H-Index
i10 Index
Citation Counts
4
1
38
Rankings
Ranking Based On Selection: 12
Safoura Moradkasani
Metrics
H-Index
i10 Index
Citation Counts
3
0
20