Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
![Sammy M. Njenga](https://cdn.adscientificindex.com/pictures/38/4484591.jpg)
Neglected Tropical Diseases (NTDs)
public health
epidemiology
molecular parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,289
4,505
0.716
![Maricianah Onono](/user/assets/images/profile/no-profile-photo.png)
Epidemiology
Health Systems
Sexual reproductive health
Community Health Systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,864
2,589
0.670
![Charles Obonyo|Charles O. Obonyo](https://cdn.adscientificindex.com/pictures/20/4484395.jpg)
Epidemiology
NCDs
food environment
urbanization
COVID-19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,488
766
0.308
![Samoel Ashimosi Khamadi](https://cdn.adscientificindex.com/pictures/d9/4482807.jpg)
Public Health
HIV/AIDS
Molecular Medicine
Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,081
1,085
0.521
![Evans Amukoye](https://cdn.adscientificindex.com/pictures/f6/4482920.jpg)
peadiatric respiratory
health system
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,034
831
0.409
![Echoka Elizabeth](https://cdn.adscientificindex.com/pictures/83/4482774.jpg)
Public Health: Health systems and maternal health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
828
576
0.696
![Lucia Kipkoech Keter](/user/assets/images/profile/no-profile-photo.png)
Pharmaceutical Analysis
Natural Products
NCDs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
789
412
0.522
![Albina Makio](https://cdn.adscientificindex.com/pictures/f8/4482172.jpg)
Virology
Immunology
Biochemistry
diagnostic development
Infectious diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
516
324
0.628
![Richard Mutisya](https://cdn.adscientificindex.com/pictures/a7/4484486.jpg)
Health Policy
Health systems and Public health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
306
214
0.699
![Kelvin Kering](https://cdn.adscientificindex.com/pictures/1f/4501351.jpg)
Medical Microbiology
Microbiome
AMR
Phage therapy
Genomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
265
0.996
![Aggrey Gisiora Mokaya](https://cdn.adscientificindex.com/pictures/b0/4641365.jpg)
Public Health
Adolescent Health
Global Mental Health
Innovation
Knowledge Translation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
99
87
0.879
![Judy Mwai](https://cdn.adscientificindex.com/pictures/8c/4752487.jpg)
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66
55
0.833
![Bridget Kimani](/user/assets/images/profile/no-profile-photo.png)
Neglected tropical diseases and Infectious Diseases
Epidemiology
Implementation Science
Public Health
Research Ethics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
48
1.000
Sammy M. Njenga
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,289
4,505
0.716
Neglected Tropical Diseases (NTDs)
public health
epidemiology
molecular parasitology
Maricianah Onono
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,864
2,589
0.670
Epidemiology
Health Systems
Sexual reproductive health
Community Health Systems
Charles Obonyo|Charles O. Obonyo
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,488
766
0.308
Epidemiology
NCDs
food environment
urbanization
COVID-19
Samoel Ashimosi Khamadi
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,081
1,085
0.521
Public Health
HIV/AIDS
Molecular Medicine
Genetics
Evans Amukoye
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,034
831
0.409
peadiatric respiratory
health system
Echoka Elizabeth
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
828
576
0.696
Public Health: Health systems and maternal health
Lucia Kipkoech Keter
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
789
412
0.522
Pharmaceutical Analysis
Natural Products
NCDs
Albina Makio
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
516
324
0.628
Virology
Immunology
Biochemistry
diagnostic development
Infectious diseases
Richard Mutisya
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
306
214
0.699
Health Policy
Health systems and Public health
Kelvin Kering
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
265
0.996
Medical Microbiology
Microbiome
AMR
Phage therapy
Genomics
Aggrey Gisiora Mokaya
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
99
87
0.879
Public Health
Adolescent Health
Global Mental Health
Innovation
Knowledge Translation
Judy Mwai
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66
55
0.833
Bridget Kimani
Kenya Medical Research Institute
Nairobi, Kenya
![Kenya](/flags/ke.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
48
1.000
Neglected tropical diseases and Infectious Diseases
Epidemiology
Implementation Science
Public Health
Research Ethics