Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, 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)
* Total Citation Counts Rankings
World Rank
41,496
Country Rank
18,412
Institution Rank : 31
![](https://cdn.adscientificindex.com/logos/11114.png)
![United States](/flags/us.png)
![R Kip Guy](https://cdn.adscientificindex.com/pictures/a7/1405345.jpg)
Drug Discovery and Development
Medicinal Chemistry
Chemical Biology
Parasitology
Cancer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,255
5,471
0.284
* Total Citation Counts Rankings
World Rank
201,697
Country Rank
5,635
Institution Rank : 374
![](https://cdn.adscientificindex.com/logos/10388.jpg)
![Spain](/flags/es.png)
![Alexis Ribas](https://cdn.adscientificindex.com/pictures/f7/4333850.jpg)
parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,951
2,248
0.454
* Total Citation Counts Rankings
World Rank
264,169
Country Rank
100
Institution Rank : 24
![](https://cdn.adscientificindex.com/logos/5076.png)
![Ghana](/flags/gh.png)
![Linda B Debrah](https://cdn.adscientificindex.com/pictures/c1/101508.jpg)
Parasitology and Global Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,698
1,627
0.440
* Total Citation Counts Rankings
World Rank
287,992
Country Rank
98,165
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/6682.png)
![United States](/flags/us.png)
![Nicola Carter](/user/assets/images/profile/no-profile-photo.png)
Molecular Parasitology
Pharmacy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,342
617
0.185
* Total Citation Counts Rankings
World Rank
393,182
Country Rank
8,053
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/1994.png)
![Japan](/flags/jp.png)
![Marcello Otake Sato](https://cdn.adscientificindex.com/pictures/13/420473.jpg)
One-health
Eco-health
Parasitology
Zoonosis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,269
747
0.329
* Total Citation Counts Rankings
World Rank
441,148
Country Rank
757
Institution Rank : 67
![](https://cdn.adscientificindex.com/logos/11230.jpg)
![Nigeria](/flags/ng.png)
![Paul Obiekwe Okonkwo](/user/assets/images/profile/no-profile-photo.png)
Pharmacology
Parasitology Biochemistr \nd Health Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,939
331
0.171
* Total Citation Counts Rankings
World Rank
529,453
Country Rank
2,151
Institution Rank : 346
![](https://cdn.adscientificindex.com/logos/9273.png)
![Argentina](/flags/ar.png)
![Marisa M Fernandez](https://cdn.adscientificindex.com/pictures/aa/829620.jpg)
Immunology
Biophysic
Structural Biology
Microbiology
Parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,483
533
0.359
* Total Citation Counts Rankings
World Rank
552,034
Country Rank
17,582
Institution Rank : 128
![](https://cdn.adscientificindex.com/logos/9853.jpg)
![Brazil](/flags/br.png)
![Klinger Antonio Da Franca Rodrigues](/user/assets/images/profile/no-profile-photo.png)
Pharmacology
Parasitology
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,387
1,041
0.751
* Total Citation Counts Rankings
World Rank
574,971
Country Rank
209
Institution Rank : 29
![](https://cdn.adscientificindex.com/logos/16946.png)
![Uruguay](/flags/uy.png)
![Diego Benítez](https://cdn.adscientificindex.com/pictures/d1/4514686.jpg)
Medicinal Chemistry
Parasitology (Trypanosomatids)
Drug Screening
In vivo imaging
Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,299
533
0.410
* Total Citation Counts Rankings
World Rank
805,126
Country Rank
232,572
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/13310.png)
![United States](/flags/us.png)
![Jude Nnaemeka Okoyeh](/pictures/02/3930233.jpg)
Pharmacology
Medical Laboratory Science
Parasitology/Microbiology
Biotechnology
Molecular
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
680
352
0.518
* Total Citation Counts Rankings
World Rank
1,018,936
Country Rank
1,503
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/264.png)
![Iraq](/flags/iq.png)
![Talib Abbas](/pictures/90/5112283.jpg)
Biology & Neurophysiology
Parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
334
116
0.347
* Total Citation Counts Rankings
World Rank
1,083,870
Country Rank
1,773
Institution Rank : 31
![](https://cdn.adscientificindex.com/logos/3247.jpg)
![Iraq](/flags/iq.png)
![Abbas M Faraj](/pictures/6e/4492563.jpg)
Medical Parasitology
Medical Entomology
Immunity to Parasites
Cancer cell lines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
113
0.425
* Total Citation Counts Rankings
World Rank
1,124,939
Country Rank
711
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/28149.png)
![Tanzania](/flags/tz.png)
![Adelina Thomas](/pictures/34/4485925.jpg)
pharmacognosy
parasitology and microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
209
0.901
* Total Citation Counts Rankings
World Rank
1,134,176
Country Rank
1,689
Institution Rank : 47
![](https://cdn.adscientificindex.com/logos/10981.png)
![Ghana](/flags/gh.png)
![Yeboah Kwaku Opoku](/pictures/92/4360710.jpg)
Parasitology
Biopharmaceuticals
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
219
0.973
* Total Citation Counts Rankings
World Rank
1,134,287
Country Rank
145
Institution Rank : 40
![](https://cdn.adscientificindex.com/logos/10877.png)
![Cameroon](/flags/cm.png)
![Noubissi Paul Aimé](/pictures/68/4316231.jpg)
Pharmaccology
Microbiology and Parasitology
Physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
211
0.938
* Total Citation Counts Rankings
World Rank
1,437,504
Country Rank
2,576
Institution Rank : 357
![](https://cdn.adscientificindex.com/logos/11281.jpg)
![Sri Lanka](/flags/lk.png)
![Klt Dilrukshi Jayawardene](/user/assets/images/profile/no-profile-photo.png)
Parasitology
Anthelmintic resistance
Natural products based drug discoveries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90
84
0.933
* Total Citation Counts Rankings
World Rank
1,460,816
Country Rank
48,802
Institution Rank : 710
![](https://cdn.adscientificindex.com/logos/15661.png)
![Brazil](/flags/br.png)
![Andressa Barban Do Patrocinio](/pictures/b1/5375900.jpg)
pharmacy
biochemistry
molecular biology
parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84
77
0.917
* Total Citation Counts Rankings
World Rank
1,639,081
Country Rank
68,867
Institution Rank : 2,258
![](https://cdn.adscientificindex.com/logos/11168.jpg)
![United Kingdom](/flags/gb.png)
![Rachael Magwaza](/user/assets/images/profile/no-profile-photo.png)
Medicinal Chemistry
Parasitology
Pharmaceutical Sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
46
0.958
* Total Citation Counts Rankings
World Rank
1,847,035
Country Rank
60,715
Institution Rank : 1,581
![](https://cdn.adscientificindex.com/logos/9865.jpg)
![Brazil](/flags/br.png)
![Gabriel Lima Marques](/pictures/61/5329628.jpg)
Medicinal Chemistry
Cannabinoid Research
Toxicology
Parasitology
Cancer Research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22
22
1.000
* Total Citation Counts Rankings
World Rank
2,055,427
Country Rank
9,395
Institution Rank : 57
![](https://cdn.adscientificindex.com/logos/3539.jpg)
![Vietnam](/flags/vn.png)
![Tiếp Võ Minh](/user/assets/images/profile/no-profile-photo.png)
Parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total Citation Counts Rankings
World Rank
2,188,025
Country Rank
21,534
Institution Rank : 1,528
![](https://cdn.adscientificindex.com/logos/10854.jpg)
![Iraq](/flags/iq.png)
![Zainab Sabeeh Whrewsh](/user/assets/images/profile/no-profile-photo.png)
microbiology
immunity
parasitology
virulogy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total Citation Counts Rankings
World Ranking
41,496
Country Ranking
18,412
Institution Ranking
31
R Kip Guy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,255
5,471
0.284
![](https://cdn.adscientificindex.com/logos/11114.png)
Drug Discovery and Development
Medicinal Chemistry
Chemical Biology
Parasitology
Cancer
* Total Citation Counts Rankings
World Ranking
201,697
Country Ranking
5,635
Institution Ranking
374
Alexis Ribas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,951
2,248
0.454
* Total Citation Counts Rankings
World Ranking
264,169
Country Ranking
100
Institution Ranking
24
Linda B Debrah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,698
1,627
0.440
![](https://cdn.adscientificindex.com/logos/5076.png)
Parasitology and Global Health
* Total Citation Counts Rankings
World Ranking
287,992
Country Ranking
98,165
Institution Ranking
4
Nicola Carter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,342
617
0.185
![](https://cdn.adscientificindex.com/logos/6682.png)
Molecular Parasitology
Pharmacy
* Total Citation Counts Rankings
World Ranking
393,182
Country Ranking
8,053
Institution Ranking
3
Marcello Otake Sato
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,269
747
0.329
![](https://cdn.adscientificindex.com/logos/1994.png)
One-health
Eco-health
Parasitology
Zoonosis
* Total Citation Counts Rankings
World Ranking
441,148
Country Ranking
757
Institution Ranking
67
Paul Obiekwe Okonkwo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,939
331
0.171
![](https://cdn.adscientificindex.com/logos/11230.jpg)
Pharmacology
Parasitology Biochemistr \nd Health Economics
* Total Citation Counts Rankings
World Ranking
529,453
Country Ranking
2,151
Institution Ranking
346
Marisa M Fernandez
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,483
533
0.359
![](https://cdn.adscientificindex.com/logos/9273.png)
Immunology
Biophysic
Structural Biology
Microbiology
Parasitology
* Total Citation Counts Rankings
World Ranking
552,034
Country Ranking
17,582
Institution Ranking
128
Klinger Antonio Da Franca Rodrigues
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,387
1,041
0.751
![](https://cdn.adscientificindex.com/logos/9853.jpg)
Pharmacology
Parasitology
Microbiology
* Total Citation Counts Rankings
World Ranking
574,971
Country Ranking
209
Institution Ranking
29
Diego Benítez
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,299
533
0.410
![](https://cdn.adscientificindex.com/logos/16946.png)
Medicinal Chemistry
Parasitology (Trypanosomatids)
Drug Screening
In vivo imaging
Biochemistry
* Total Citation Counts Rankings
World Ranking
805,126
Country Ranking
232,572
Institution Ranking
1
Jude Nnaemeka Okoyeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
680
352
0.518
![](https://cdn.adscientificindex.com/logos/13310.png)
Pharmacology
Medical Laboratory Science
Parasitology/Microbiology
Biotechnology
Molecular
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* Total Citation Counts Rankings
World Ranking
1,018,936
Country Ranking
1,503
Institution Ranking
25
Talib Abbas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
334
116
0.347
![](https://cdn.adscientificindex.com/logos/264.png)
Biology & Neurophysiology
Parasitology
* Total Citation Counts Rankings
World Ranking
1,083,870
Country Ranking
1,773
Institution Ranking
31
Abbas M Faraj
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
113
0.425
![](https://cdn.adscientificindex.com/logos/3247.jpg)
Medical Parasitology
Medical Entomology
Immunity to Parasites
Cancer cell lines
* Total Citation Counts Rankings
World Ranking
1,124,939
Country Ranking
711
Institution Ranking
23
Adelina Thomas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
209
0.901
![](https://cdn.adscientificindex.com/logos/28149.png)
pharmacognosy
parasitology and microbiology
* Total Citation Counts Rankings
World Ranking
1,134,176
Country Ranking
1,689
Institution Ranking
47
Yeboah Kwaku Opoku
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
219
0.973
![](https://cdn.adscientificindex.com/logos/10981.png)
Parasitology
Biopharmaceuticals
* Total Citation Counts Rankings
World Ranking
1,134,287
Country Ranking
145
Institution Ranking
40
Noubissi Paul Aimé
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
211
0.938
![](https://cdn.adscientificindex.com/logos/10877.png)
Pharmaccology
Microbiology and Parasitology
Physiology
* Total Citation Counts Rankings
World Ranking
1,437,504
Country Ranking
2,576
Institution Ranking
357
Klt Dilrukshi Jayawardene
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90
84
0.933
![](https://cdn.adscientificindex.com/logos/11281.jpg)
Parasitology
Anthelmintic resistance
Natural products based drug discoveries
* Total Citation Counts Rankings
World Ranking
1,460,816
Country Ranking
48,802
Institution Ranking
710
Andressa Barban Do Patrocinio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84
77
0.917
![](https://cdn.adscientificindex.com/logos/15661.png)
pharmacy
biochemistry
molecular biology
parasitology
* Total Citation Counts Rankings
World Ranking
1,639,081
Country Ranking
68,867
Institution Ranking
2,258
Rachael Magwaza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
46
0.958
![](https://cdn.adscientificindex.com/logos/11168.jpg)
Medicinal Chemistry
Parasitology
Pharmaceutical Sciences
* Total Citation Counts Rankings
World Ranking
1,847,035
Country Ranking
60,715
Institution Ranking
1,581
Gabriel Lima Marques
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22
22
1.000
![](https://cdn.adscientificindex.com/logos/9865.jpg)
Medicinal Chemistry
Cannabinoid Research
Toxicology
Parasitology
Cancer Research
* Total Citation Counts Rankings
World Ranking
2,055,427
Country Ranking
9,395
Institution Ranking
57
Tiếp Võ Minh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total Citation Counts Rankings
World Ranking
2,188,025
Country Ranking
21,534
Institution Ranking
1,528
Zainab Sabeeh Whrewsh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
![](https://cdn.adscientificindex.com/logos/10854.jpg)
microbiology
immunity
parasitology
virulogy