Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 698 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
HIV Prevention
HIV self-testing
Family planning
Fertilit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,002
5,184
0.518
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
land and water management
Irrigation
Climate Change Resilience
sustainable agriculture
food and nutrition securit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,825
1,846
0.317
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Economics
finance
procurement
entreneurship
Human Resource Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,367
3,891
0.725
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Entrepreneurship
Management
Finance
Supply Chain Management
Monitoring and Evaluatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,744
2,861
0.603
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Impact of food processing on nutrition and healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,623
2,229
0.482
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Agroforestry
Allometric equations
Ecosystem services
Sustainable intensificatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,598
3,962
0.862
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Food Science
Food Technology
Insects as food and feed
Edible insects
Human Nutritio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,337
3,627
0.836
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Parasitology
Microbiology
Pathology
Epidemiology
One healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,287
1,724
0.402
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Molecular and Cellular Pathology
Endometriosis
Clinical Cytology
Breast cancer
Gynaecologi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,190
1,160
0.277
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Food & Nutrition Sciences
Postharvest Biology & Technolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,296
2,222
0.674
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Epidemiology
Immunology and Pharmacolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,871
1,987
0.692
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Human Nutrition
Public Health
Food Scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,819
1,744
0.619
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Agricultur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,681
1,626
0.606
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Financia management
Entrepreneurship
Investment and Portifolio managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,545
1,605
0.631
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Food Safety
Food Technolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,491
2,068
0.830
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Plant taxonomy and evolutionary biology
Reproductive ecology and conservation of endangered plant
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,485
1,173
0.472
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Natural products and Industrial Chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,325
1,481
0.637
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Statistics
Bayesian
HIV
error
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,289
1,315
0.574
* Total Citation Counts Rankings
Ranking Based On Selection: 19
plant molecular breedin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,251
1,175
0.522
* Total Citation Counts Rankings
Ranking Based On Selection: 20
CORPORATE FINANCE
SECURITIES EXCHANGE
FINANCIAL INTERMEDIATIO
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,198
1,175
0.535
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Organic Chemistry
Natural Products
Marine Chemistry
Green Chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,064
906
0.439
* Total Citation Counts Rankings
Ranking Based On Selection: 22
APPLIED AND INDUSTRIAL MICROBIOLOGY
MICROBIAL BIOTECHNOLOGY
PROBIOTICS
BIOSAFET
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,060
934
0.453
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Parasitology
Pharmacology
Molecular Biology and Biotechnolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,954
1,075
0.550
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Agricultural Biodiversity
Food security
Horticulture
Community Developmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,905
925
0.486
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Condition Monitoring
diagnostics
prognostic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,806
1,541
0.853
* Total Citation Counts Rankings
Rankings
105,199
28
1
Ranking Based On Selection: 1
Kenneth Ngure
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,002
5,184
0.518
* Total Citation Counts Rankings
Rankings
187,943
69
2
Ranking Based On Selection: 2
Bancy Mati
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,825
1,846
0.317
land and water management
Irrigation
Climate Change Resilience
sustainable agriculture
food and nutrition securit
* Total Citation Counts Rankings
Rankings
203,552
77
3
Ranking Based On Selection: 3
Willy Muturi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,367
3,891
0.725
Economics
finance
procurement
entreneurship
Human Resource Managemen
* Total Citation Counts Rankings
Rankings
229,040
98
4
Ranking Based On Selection: 4
Gregory Namusonge
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,744
2,861
0.603
Entrepreneurship
Management
Finance
Supply Chain Management
Monitoring and Evaluatio
* Total Citation Counts Rankings
Rankings
234,647
102
5
Ranking Based On Selection: 5
Daniel Sila
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,623
2,229
0.482
Impact of food processing on nutrition and healt
* Total Citation Counts Rankings
Rankings
235,830
103
6
Ranking Based On Selection: 6
Shem Kuyah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,598
3,962
0.862
Agroforestry
Allometric equations
Ecosystem services
Sustainable intensificatio
* Total Citation Counts Rankings
Rankings
248,883
119
7
Ranking Based On Selection: 7
John Kinyuru
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,337
3,627
0.836
Food Science
Food Technology
Insects as food and feed
Edible insects
Human Nutritio
* Total Citation Counts Rankings
Rankings
251,611
122
8
Ranking Based On Selection: 8
John M Kagira
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,287
1,724
0.402
Parasitology
Microbiology
Pathology
Epidemiology
One healt
* Total Citation Counts Rankings
Rankings
257,006
127
9
Ranking Based On Selection: 9
Mutinda C Kyama
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,190
1,160
0.277
Molecular and Cellular Pathology
Endometriosis
Clinical Cytology
Breast cancer
Gynaecologi
* Total Citation Counts Rankings
Rankings
316,236
160
10
Ranking Based On Selection: 10
Willis O Owino
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,296
2,222
0.674
Food & Nutrition Sciences
Postharvest Biology & Technolog
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total Citation Counts Rankings
Rankings
353,977
193
11
Ranking Based On Selection: 11
Simon Muturi Karanja
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,871
1,987
0.692
Epidemiology
Immunology and Pharmacolog
* Total Citation Counts Rankings
Rankings
359,205
197
12
Ranking Based On Selection: 12
Anselimo Makokha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,819
1,744
0.619
Human Nutrition
Public Health
Food Scienc
* Total Citation Counts Rankings
Rankings
373,787
205
13
Ranking Based On Selection: 13
Elijah Ateka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,681
1,626
0.606
* Total Citation Counts Rankings
Rankings
389,217
219
14
Ranking Based On Selection: 14
Agnes Njeru
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,545
1,605
0.631
Financia management
Entrepreneurship
Investment and Portifolio managemen
* Total Citation Counts Rankings
Rankings
395,477
227
15
Ranking Based On Selection: 15
Samuel Imathiu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,491
2,068
0.830
Food Safety
Food Technolog
* Total Citation Counts Rankings
Rankings
396,236
229
16
Ranking Based On Selection: 16
Robert W Gituru
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,485
1,173
0.472
Plant taxonomy and evolutionary biology
Reproductive ecology and conservation of endangered plant
* Total Citation Counts Rankings
Rankings
416,402
248
17
Ranking Based On Selection: 17
Patrick Kareru
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,325
1,481
0.637
Natural products and Industrial Chemistr
* Total Citation Counts Rankings
Rankings
421,197
253
18
Ranking Based On Selection: 18
Samuel Mwalili
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,289
1,315
0.574
Statistics
Bayesian
HIV
error
* Total Citation Counts Rankings
Rankings
426,465
259
19
Ranking Based On Selection: 19
Aggrey Bernard Nyende
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,251
1,175
0.522
* Total Citation Counts Rankings
Rankings
433,953
267
20
Ranking Based On Selection: 20
Tobias Olweny
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,198
1,175
0.535
CORPORATE FINANCE
SECURITIES EXCHANGE
FINANCIAL INTERMEDIATIO
* Total Citation Counts Rankings
Rankings
453,934
286
21
Ranking Based On Selection: 21
Keriko Joseph Mungai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,064
906
0.439
Organic Chemistry
Natural Products
Marine Chemistry
Green Chemistr
* Total Citation Counts Rankings
Rankings
454,568
289
22
Ranking Based On Selection: 22
Julius Maina Mathara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,060
934
0.453
APPLIED AND INDUSTRIAL MICROBIOLOGY
MICROBIAL BIOTECHNOLOGY
PROBIOTICS
BIOSAFET
* Total Citation Counts Rankings
Rankings
471,816
320
23
Ranking Based On Selection: 23
Naomi Wangari Njogu Maina
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,954
1,075
0.550
Parasitology
Pharmacology
Molecular Biology and Biotechnolog
* Total Citation Counts Rankings
Rankings
480,169
335
24
Ranking Based On Selection: 24
Mary Abukutsa Onyango
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,905
925
0.486
Agricultural Biodiversity
Food security
Horticulture
Community Developmen
* Total Citation Counts Rankings
Rankings
497,897
362
25
Ranking Based On Selection: 25
James Kuria Kimotho
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,806
1,541
0.853