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
14,384
Country Rank
1
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Zhongfang Chen](https://cdn.adscientificindex.com/pictures/35/796135.jpg)
Computational Chemistry
Nanomaterials Science
Physical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,017
21,404
0.549
* Total Citation Counts Rankings
World Rank
15,408
Country Rank
2
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Gregory J Quirk](https://cdn.adscientificindex.com/pictures/63/793196.jpg)
Neuroscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,373
11,844
0.317
* Total Citation Counts Rankings
World Rank
18,298
Country Rank
3
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Ram S Katiyar|Ram Katiyar, RS Katiyar, R Katiyar](https://cdn.adscientificindex.com/pictures/49/798425.jpg)
Physics
Materials Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,458
11,502
0.344
* Total Citation Counts Rankings
World Rank
18,682
Country Rank
4
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Walter Frontera](https://cdn.adscientificindex.com/pictures/87/806530.jpg)
muscle biology
aging
exercise physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,009
10,403
0.315
* Total Citation Counts Rankings
World Rank
19,275
Country Rank
5
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Walter Frontera](https://cdn.adscientificindex.com/pictures/63/806551.jpg)
Aging
muscle
exercise physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,341
10,238
0.317
* Total Citation Counts Rankings
World Rank
28,116
Country Rank
6
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![T Mitchell Aide](https://cdn.adscientificindex.com/pictures/1e/794662.jpg)
Ecology
conservation biology
global change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,338
10,704
0.422
* Total Citation Counts Rankings
World Rank
39,622
Country Rank
7
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Jess K Zimmerman](https://cdn.adscientificindex.com/pictures/66/794985.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,941
9,125
0.458
* Total Citation Counts Rankings
World Rank
40,032
Country Rank
8
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Cynthia M Perez](https://cdn.adscientificindex.com/pictures/05/807363.jpg)
Epidemiology
Diabetes
Obesity
Cardiometabolic risk
Hepatitis C
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,786
15,008
0.759
* Total Citation Counts Rankings
World Rank
59,573
Country Rank
9
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Nicholas Brokaw](/user/assets/images/profile/no-profile-photo.png)
Tropical forest structure and diversity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,737
3,000
0.204
* Total Citation Counts Rankings
World Rank
86,389
Country Rank
17
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Juan Carlos Martinez Cruzado](https://cdn.adscientificindex.com/pictures/02/794577.jpg)
evolución molecular
genética de poblaciones
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,953
3,438
0.314
* Total Citation Counts Rankings
World Rank
87,518
Country Rank
18
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Kai Griebenow](https://cdn.adscientificindex.com/pictures/92/793747.jpg)
Pharmaceutical Biotechnology
Protein Biochemistry
Drug Delivery
Natural Products from Algae
Sustainability
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,832
2,479
0.229
* Total Citation Counts Rankings
World Rank
101,057
Country Rank
19
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Luis Pericchi](https://cdn.adscientificindex.com/pictures/fe/796761.jpg)
Bayesian Statistics
Statistics and its applications
Biostatistics
Econometrics
Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,561
4,239
0.443
* Total Citation Counts Rankings
World Rank
101,739
Country Rank
20
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Sabzali Javadov|Dzhavadov S, Джавадов С, Djavadov S](https://cdn.adscientificindex.com/pictures/94/812690.jpg)
mitochondria
myocardial infarction (ischemia-reperfusion)
oxidative stress
energy metabolism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,507
3,769
0.396
* Total Citation Counts Rankings
World Rank
107,276
Country Rank
21
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Carlos R Cabrera](https://cdn.adscientificindex.com/pictures/40/796133.jpg)
Electrochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,077
3,498
0.385
* Total Citation Counts Rankings
World Rank
107,325
Country Rank
22
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![James D Ackerman](https://cdn.adscientificindex.com/pictures/8c/807377.jpg)
Orchidology
Plant Reproductive Ecology
Invasive Species Biology
Tropical Biology
Caribbean Floristics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,073
2,132
0.235
* Total Citation Counts Rankings
World Rank
116,563
Country Rank
23
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Xiaoming Zou](https://cdn.adscientificindex.com/pictures/17/784008.jpg)
Earthworm Ecology
Disturbance Ecology
Forestry
Soil Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,437
3,256
0.386
* Total Citation Counts Rankings
World Rank
126,377
Country Rank
24
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/9394.gif)
![Puerto Rico](/flags/pr.png)
![Joel E Gonzalez Nieves](https://cdn.adscientificindex.com/pictures/78/4312390.jpg)
Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,843
3,379
0.431
* Total Citation Counts Rankings
World Rank
127,595
Country Rank
25
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Elvira Cuevas](https://cdn.adscientificindex.com/pictures/d1/794703.jpg)
ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,776
1,614
0.208
* Total Citation Counts Rankings
World Rank
127,795
Country Rank
26
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Mark R Jury](https://cdn.adscientificindex.com/pictures/e6/812691.jpg)
climate
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,766
2,589
0.333
* Total Citation Counts Rankings
World Rank
141,768
Country Rank
27
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Olga L Mayol Bracero|Mayol-Bracero](https://cdn.adscientificindex.com/pictures/c0/813524.jpg)
aerosols
clouds
African dust
carbonaceous aerosols
air quality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,052
2,733
0.388
* Total Citation Counts Rankings
World Rank
145,977
Country Rank
28
Institution Rank : 20
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Kejie Lu](https://cdn.adscientificindex.com/pictures/92/786753.jpg)
Computer and Communication Networks
Wireless communications
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,860
2,934
0.428
* Total Citation Counts Rankings
World Rank
164,083
Country Rank
29
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Marcos Lopez](https://cdn.adscientificindex.com/pictures/80/807352.jpg)
Transplant Immunology
Immunometabolism
Metabolism
Mitochondria Metabolism and Bioenergetics
Cancer Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,123
3,662
0.598
* Total Citation Counts Rankings
World Rank
178,287
Country Rank
31
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Riccardo Papa](https://cdn.adscientificindex.com/pictures/9a/802340.jpg)
Evolution
Development
Genetics
Genomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,635
3,099
0.550
* Total Citation Counts Rankings
World Rank
187,303
Country Rank
33
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![Valerie Wojna](/user/assets/images/profile/no-profile-photo.png)
HIV
women
biomarkers
translation research
neurodegenerative disorders
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,358
2,087
0.390
* Total Citation Counts Rankings
World Rank
194,266
Country Rank
34
Institution Rank : 24
![](https://cdn.adscientificindex.com/logos/9392.jpg)
![Puerto Rico](/flags/pr.png)
![John A Soderquist](/user/assets/images/profile/no-profile-photo.png)
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,157
494
0.096
Zhongfang Chen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,017
21,404
0.549
Computational Chemistry
Nanomaterials Science
Physical Chemistry
Gregory J Quirk
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,373
11,844
0.317
Ram S Katiyar|Ram Katiyar, RS Katiyar, R Katiyar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,458
11,502
0.344
Walter Frontera
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,009
10,403
0.315
Walter Frontera
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,341
10,238
0.317
Aging
muscle
exercise physiology
T Mitchell Aide
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,338
10,704
0.422
Ecology
conservation biology
global change
Jess K Zimmerman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,941
9,125
0.458
Cynthia M Perez
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,786
15,008
0.759
Epidemiology
Diabetes
Obesity
Cardiometabolic risk
Hepatitis C
Nicholas Brokaw
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,737
3,000
0.204
Tropical forest structure and diversity
Juan Carlos Martinez Cruzado
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,953
3,438
0.314
evolución molecular
genética de poblaciones
Kai Griebenow
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,832
2,479
0.229
Pharmaceutical Biotechnology
Protein Biochemistry
Drug Delivery
Natural Products from Algae
Sustainability
Luis Pericchi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,561
4,239
0.443
Bayesian Statistics
Statistics and its applications
Biostatistics
Econometrics
Engineering
Sabzali Javadov|Dzhavadov S, Джавадов С, Djavadov S
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,507
3,769
0.396
mitochondria
myocardial infarction (ischemia-reperfusion)
oxidative stress
energy metabolism
Carlos R Cabrera
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,077
3,498
0.385
James D Ackerman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,073
2,132
0.235
Orchidology
Plant Reproductive Ecology
Invasive Species Biology
Tropical Biology
Caribbean Floristics
Xiaoming Zou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,437
3,256
0.386
Earthworm Ecology
Disturbance Ecology
Forestry
Soil Science
Joel E Gonzalez Nieves
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,843
3,379
0.431
Elvira Cuevas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,776
1,614
0.208
Mark R Jury
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,766
2,589
0.333
Olga L Mayol Bracero|Mayol-Bracero
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,052
2,733
0.388
aerosols
clouds
African dust
carbonaceous aerosols
air quality
Kejie Lu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,860
2,934
0.428
Computer and Communication Networks
Wireless communications
Marcos Lopez
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,123
3,662
0.598
Transplant Immunology
Immunometabolism
Metabolism
Mitochondria Metabolism and Bioenergetics
Cancer Biology
Riccardo Papa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,635
3,099
0.550
Evolution
Development
Genetics
Genomics
Valerie Wojna
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,358
2,087
0.390
HIV
women
biomarkers
translation research
neurodegenerative disorders
John A Soderquist
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,157
494
0.096