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
Mark L Chindia
Oncology surgery
Bacterial infections
Metrics
H-Index
i10 Index
Citation
22
50
1,911
* Rankings
Ranking Based On Selection :2
Arthur Musakulu Kemoli
Early childhood caries
Dental malformations
Oral health care
Metrics
H-Index
i10 Index
Citation
20
36
1,319
* Rankings
Ranking Based On Selection :4
Fawzia Butt
Maxillofacial Surgery and Human anatomy
Metrics
H-Index
i10 Index
Citation
16
25
711
* Rankings
Ranking Based On Selection :7
Gladys Opinya
Dentistry
Children
Flouride
Carries
Leadership and Mentorship
Metrics
H-Index
i10 Index
Citation
13
14
583
Edith Ngatia
Paediatric Dentistry
Public Health Nutrition
Metrics
H-Index
i10 Index
Citation
5
2
131
Hazel Simila
Dental Biomaterials Science
Bioactivity
Bioceramics
Biomimetic Dentistry
Dental Education
Metrics
H-Index
i10 Index
Citation
4
4
143
Simiyu Benjamin Nyongesa
Root canal instruments and materials science
Survival analysis of endodontic therapies
Bonding in root canal-treated teeth
En
Metrics
H-Index
i10 Index
Citation
3
3
82
Tom Osundwa
molecular medicine and craniofacial malformations
Metrics
H-Index
i10 Index
Citation
2
1
28
Laura Gwahalla Edalia
prosthodontics
research
oral public health
Implantology
Metrics
H-Index
i10 Index
Citation
2
0
6
Wetende Andrew
Periodontics
Periodontology and Implant Dentistry
Metrics
H-Index
i10 Index
Citation
1
1
18
Wambeti Njiru
Oral and Maxillofacial Surgery
bioethics
oral cancer
head and neck cancer
student mentorship
Metrics
H-Index
i10 Index
Citation
1
1
16
Rankings
Ranking Based On Selection: 1
Mark L Chindia
Metrics
H-Index
i10 Index
Citation Counts
22
50
1,911
Rankings
Ranking Based On Selection: 2
Arthur Musakulu Kemoli
Metrics
H-Index
i10 Index
Citation Counts
20
36
1,319
Early childhood caries
Dental malformations
Oral health care
Rankings
Ranking Based On Selection: 3
Symon Guthua
Metrics
H-Index
i10 Index
Citation Counts
18
32
1,935
Rankings
Ranking Based On Selection: 4
Fawzia Butt
Metrics
H-Index
i10 Index
Citation Counts
16
25
711
Rankings
Ranking Based On Selection: 5
Evelyn Wagaiyu
Metrics
H-Index
i10 Index
Citation Counts
14
16
676
Rankings
Ranking Based On Selection: 6
JF Onyango
Metrics
H-Index
i10 Index
Citation Counts
13
20
740
Rankings
Ranking Based On Selection: 7
Gladys Opinya
Metrics
H-Index
i10 Index
Citation Counts
13
14
583
Dentistry
Children
Flouride
Carries
Leadership and Mentorship
Rankings
Ranking Based On Selection: 8
Akama, MK
Metrics
H-Index
i10 Index
Citation Counts
9
9
571
Rankings
Ranking Based On Selection: 9
Tonnie Mulli
Metrics
H-Index
i10 Index
Citation Counts
8
8
301
Rankings
Ranking Based On Selection: 10
Loice Gathece|L gathece, w gathece
Metrics
H-Index
i10 Index
Citation Counts
8
8
235
Rankings
Ranking Based On Selection: 11
Susan Maina
Metrics
H-Index
i10 Index
Citation Counts
7
6
158
Rankings
Ranking Based On Selection: 12
Eunice Kihara
Metrics
H-Index
i10 Index
Citation Counts
5
4
89
Rankings
Ranking Based On Selection: 13
Edith Ngatia
Metrics
H-Index
i10 Index
Citation Counts
5
2
131
Rankings
Ranking Based On Selection: 14
Hazel Simila
Metrics
H-Index
i10 Index
Citation Counts
4
4
143
Dental Biomaterials Science
Bioactivity
Bioceramics
Biomimetic Dentistry
Dental Education
Rankings
Ranking Based On Selection: 15
Olivia Osiro
Metrics
H-Index
i10 Index
Citation Counts
4
3
77
Rankings
Ranking Based On Selection: 16
Kassim Alasow
Metrics
H-Index
i10 Index
Citation Counts
4
2
138
Rankings
Ranking Based On Selection: 17
James Ngesa
Metrics
H-Index
i10 Index
Citation Counts
4
0
22
Rankings
Ranking Based On Selection: 18
Simiyu Benjamin Nyongesa
Metrics
H-Index
i10 Index
Citation Counts
3
3
82
Root canal instruments and materials science
Survival analysis of endodontic therapies
Bonding in root canal-treated teeth
En
Rankings
Ranking Based On Selection: 19
Ben Omondi
Metrics
H-Index
i10 Index
Citation Counts
3
2
90
Rankings
Ranking Based On Selection: 20
Marjorie Muasya
Metrics
H-Index
i10 Index
Citation Counts
3
1
28
Rankings
Ranking Based On Selection: 21
Nelson Matu
Metrics
H-Index
i10 Index
Citation Counts
2
2
50
Rankings
Ranking Based On Selection: 22
Tom Osundwa
Metrics
H-Index
i10 Index
Citation Counts
2
1
28
molecular medicine and craniofacial malformations
Rankings
Ranking Based On Selection: 23
Tom Joseph Dienya
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 24
Saima Nizar Hirji
Metrics
H-Index
i10 Index
Citation Counts
2
0
8
Rankings
Ranking Based On Selection: 25
Laura Gwahalla Edalia
Metrics
H-Index
i10 Index
Citation Counts
2
0
6
prosthodontics
research
oral public health
Implantology
Rankings
Ranking Based On Selection: 26
Nyaga James
Metrics
H-Index
i10 Index
Citation Counts
2
0
14
Rankings
Ranking Based On Selection: 27
Wetende Andrew
Metrics
H-Index
i10 Index
Citation Counts
1
1
18
Periodontics
Periodontology and Implant Dentistry
Rankings
Ranking Based On Selection: 28
Wambeti Njiru
Metrics
H-Index
i10 Index
Citation Counts
1
1
16
Oral and Maxillofacial Surgery
bioethics
oral cancer
head and neck cancer
student mentorship
Rankings
Ranking Based On Selection: 29
Hudson Alumera
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 30
Rael Moraa Ariemba
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 31
Fred Otieno
Metrics
H-Index
i10 Index
Citation Counts
1
0
1