Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :51
Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
179
122
0.682
* Total Citation Counts Rankings
Ranking Based On Selection :52
Forestry
Arid lands livelihoods
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
177
148
0.836
* Total Citation Counts Rankings
Ranking Based On Selection :53
Biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
174
171
0.983
* Total Citation Counts Rankings
Ranking Based On Selection :54
Aquaculture
Fisheries
Water
Environment
Climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
171
170
0.994
* Total Citation Counts Rankings
Ranking Based On Selection :55
Business and Entrepreneurship
Entrepreneurship & HR
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
157
122
0.777
* Total Citation Counts Rankings
Ranking Based On Selection :56
Malaria
population genetics
parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
149
76
0.510
* Total Citation Counts Rankings
Ranking Based On Selection :57
Clinical Chemistry
Medical Biochemistry
Phytotherapeutics and Natural Products
Clinical Medicine and Therapeutics
Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
146
101
0.692
* Total Citation Counts Rankings
Ranking Based On Selection :58
Agrometeorology
Extension Meteorology
Indigenous knowledge in weather forecasting
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
144
60
0.417
* Total Citation Counts Rankings
Ranking Based On Selection :59
Physics
Electronics & Instrumentation
Solar cells
Material Science PLD
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
115
0.839
* Total Citation Counts Rankings
Ranking Based On Selection :60
Solid waste management
HIV-AIDS
Environmental Pollution
Wastan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
91
0.664
* Total Citation Counts Rankings
Ranking Based On Selection :61
Research
Business consultancy
Strategic management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
134
115
0.858
* Total Citation Counts Rankings
Ranking Based On Selection :62
Physics (Photovoltaics)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
121
115
0.950
* Total Citation Counts Rankings
Ranking Based On Selection :63
NLP
Deep Learning
Machine Learning
Computer Vision
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
118
118
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :64
Educational planning
Distance and Lifelong Learning
Efficiency in education.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113
82
0.726
* Total Citation Counts Rankings
Ranking Based On Selection :65
Public Health (Epidemiology)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
107
89
0.832
* Total Citation Counts Rankings
Ranking Based On Selection :66
Entrepreneurship
Start-ups
Technology
Innovation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105
92
0.876
* Total Citation Counts Rankings
Ranking Based On Selection :67
Plant Pathology
Agricultural Biotechnology
Root Crops
Neglected Cereals
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103
97
0.942
* Total Citation Counts Rankings
Ranking Based On Selection :68
Applied Language and Linguistics Studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103
91
0.883
* Total Citation Counts Rankings
Ranking Based On Selection :69
Environmental Impact Assessment
Gender issues in resources management
Environmental Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92
82
0.891
* Total Citation Counts Rankings
Ranking Based On Selection :70
Differential geometry
Submanifolds
Mathematical modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91
51
0.560
* Total Citation Counts Rankings
Ranking Based On Selection :71
Medical Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88
75
0.852
* Total Citation Counts Rankings
Ranking Based On Selection :72
Clinical Pharmacy
Pharmacology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86
73
0.849
* Total Citation Counts Rankings
Ranking Based On Selection :73
Green Transport
Air Quality
Public Health
Decarbonization
Climate and Environment Justice
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85
84
0.988
* Total Citation Counts Rankings
Ranking Based On Selection :74
Mathematics and Mathematics Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82
69
0.841
* Total Citation Counts Rankings
Ranking Based On Selection :75
Cell and Molecular Biology
Immunology
Hematology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79
78
0.987
Jacob Chege
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
179
122
0.682
Harun Kiruki
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
177
148
0.836
Asunta Mukami
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
174
171
0.983
Sonnia Nzilani Musyoka
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
171
170
0.994
Aquaculture
Fisheries
Water
Environment
Climate change
Sedina Misango
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
157
122
0.777
Business and Entrepreneurship
Entrepreneurship & HR
Carol Hunja
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
149
76
0.510
Nathan G. Kiboi
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
146
101
0.692
Clinical Chemistry
Medical Biochemistry
Phytotherapeutics and Natural Products
Clinical Medicine and Therapeutics
Immunology
David Kasina Musembi
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
144
60
0.417
Agrometeorology
Extension Meteorology
Indigenous knowledge in weather forecasting
Lawrence Kioko Munguti
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
115
0.839
Physics
Electronics & Instrumentation
Solar cells
Material Science PLD
Taratisio Ndwiga
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
91
0.664
Susan N. Wamitu
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
134
115
0.858
Research
Business consultancy
Strategic management
Isaac Morko Kwembur
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
121
115
0.950
Casper Shikali Shivachi
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
118
118
1.000
NLP
Deep Learning
Machine Learning
Computer Vision
Redempta Kiilu
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113
82
0.726
Educational planning
Distance and Lifelong Learning
Efficiency in education.
Ondimu Thomas Orindi
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
107
89
0.832
Public Health (Epidemiology)
Kevin Wachira
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105
92
0.876
Orek Charles
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103
97
0.942
Plant Pathology
Agricultural Biotechnology
Root Crops
Neglected Cereals
Peter Mose
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103
91
0.883
Applied Language and Linguistics Studies
Felista W. Muriu
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92
82
0.891
Environmental Impact Assessment
Gender issues in resources management
Environmental Economics
Augustus Nzomo Wali
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91
51
0.560
Differential geometry
Submanifolds
Mathematical modeling
Stanslaus Kiilu Musyoki
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88
75
0.852
Denis Menge
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86
73
0.849
Andriannah Mbandi
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85
84
0.988
Green Transport
Air Quality
Public Health
Decarbonization
Climate and Environment Justice
Leonard Mwathi Kamau
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82
69
0.841
Mathematics and Mathematics Education
Caroline Mangare
South Eastern Kenya University
Kitui County, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79
78
0.987
Cell and Molecular Biology
Immunology
Hematology