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
4,276
Country Rank
2,049
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Scott T Kelley](https://cdn.adscientificindex.com/pictures/76/1447361.jpg)
Bioinformatics
Environmental Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81,930
52,857
0.645
* Total Citation Counts Rankings
World Rank
10,223
Country Rank
4,905
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Walter Oechel](/user/assets/images/profile/no-profile-photo.png)
Arctic
Atmosphere-Biosphere Exchange
Biogeochemical Cycling
Mediterranean Ecosystems
Global Change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,253
13,677
0.283
* Total Citation Counts Rankings
World Rank
29,828
Country Rank
13,644
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Stuart Hurlbert](/user/assets/images/profile/no-profile-photo.png)
ecology
limnology
statistics
overpopulation
censorship
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,317
4,009
0.165
* Total Citation Counts Rankings
World Rank
44,655
Country Rank
19,662
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Mark Sussman](https://cdn.adscientificindex.com/pictures/2f/1447290.jpg)
Molecular signaling and Regenerative Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,232
5,428
0.298
* Total Citation Counts Rankings
World Rank
90,521
Country Rank
36,691
Institution Rank : 44
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Xiaofeng Xu](https://cdn.adscientificindex.com/pictures/4f/1468365.jpg)
Global Change Ecology
Biogeochemistry
Ecosystem Modeling
Microbial Macroecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,511
6,686
0.636
* Total Citation Counts Rankings
World Rank
141,473
Country Rank
53,958
Institution Rank : 81
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Elizabeth R Waters](/user/assets/images/profile/no-profile-photo.png)
Molecular Evolution
heat stress
Boechera
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,051
1,967
0.279
* Total Citation Counts Rankings
World Rank
152,641
Country Rank
57,560
Institution Rank : 95
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Anca Mara Segall](https://cdn.adscientificindex.com/pictures/fd/1447340.jpg)
Bacteriophages
Microbial Genetics
Genomics
Metagenomics
Computational Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,558
2,845
0.434
* Total Citation Counts Rankings
World Rank
153,600
Country Rank
57,873
Institution Rank : 96
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Marshal Hedin](https://cdn.adscientificindex.com/pictures/c0/1447354.jpg)
arachnid diversity and evolution
systematics
cave biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,517
2,980
0.457
* Total Citation Counts Rankings
World Rank
156,355
Country Rank
58,752
Institution Rank : 100
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Chun Ta Lai](/user/assets/images/profile/no-profile-photo.png)
carbon cycle
hydrological cycle
stable isotopes
biosphere-atmosphere interaction
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,408
1,843
0.288
* Total Citation Counts Rankings
World Rank
221,555
Country Rank
78,696
Institution Rank : 143
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Kevin J Burns](https://cdn.adscientificindex.com/pictures/a6/1646572.jpg)
Evolution
Ornithology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,485
1,982
0.442
* Total Citation Counts Rankings
World Rank
238,737
Country Rank
83,768
Institution Rank : 151
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Jeet Sukumaran](https://cdn.adscientificindex.com/pictures/85/1646582.jpg)
computational evolutionary biology
phylogenetics
biogeography
phylogeography
models and modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,137
2,137
0.517
* Total Citation Counts Rankings
World Rank
264,206
Country Rank
91,211
Institution Rank : 167
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Genivaldo Gueiros Z Silva](https://cdn.adscientificindex.com/pictures/45/1646621.jpg)
Computational Biology / Bioinformatics
(Meta)Genomics
Big Data
Machine Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,697
2,619
0.708
* Total Citation Counts Rankings
World Rank
267,048
Country Rank
92,035
Institution Rank : 169
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Michael G Simpson](https://cdn.adscientificindex.com/pictures/de/1646607.jpg)
plant systematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,650
1,830
0.501
* Total Citation Counts Rankings
World Rank
348,600
Country Rank
115,289
Institution Rank : 200
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Rulon Clark](https://cdn.adscientificindex.com/pictures/28/1646641.jpg)
Behavioral Ecology
Herpetology
Conservation Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,652
1,379
0.520
* Total Citation Counts Rankings
World Rank
380,587
Country Rank
124,185
Institution Rank : 209
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Nick Barber](https://cdn.adscientificindex.com/pictures/9e/1646674.jpg)
community ecology
restoration ecology
plant-insect interactions
aboveground-belowground linkages
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,368
1,455
0.614
* Total Citation Counts Rankings
World Rank
417,821
Country Rank
134,355
Institution Rank : 230
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Manal A Swairjo](https://cdn.adscientificindex.com/pictures/dd/1646640.jpg)
RNA nucleoside modification
structural enzymology
molecular evolution
X-ray crystallography
structural bioinfo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,089
522
0.250
* Total Citation Counts Rankings
World Rank
415,232
Country Rank
133,619
Institution Rank : 226
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Dwayne Roach](https://cdn.adscientificindex.com/pictures/07/1646744.jpg)
bacteriophages
host-phage interactions
immunology
phage therapy
hypoxia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,106
1,814
0.861
* Total Citation Counts Rankings
World Rank
450,655
Country Rank
143,297
Institution Rank : 254
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Eric Ekdale](https://cdn.adscientificindex.com/pictures/0a/1646681.jpg)
Comparative Anatomy
Evolutionary Biology
Vertebrate Paleontology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,882
1,032
0.548
* Total Citation Counts Rankings
World Rank
489,557
Country Rank
153,754
Institution Rank : 277
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Xia Song](/pictures/d6/1646739.jpg)
Ecosytem Ecology
Carbon and Water Cycle
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,668
873
0.523
* Total Citation Counts Rankings
World Rank
497,534
Country Rank
155,887
Institution Rank : 281
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Daniel A Cuevas](/pictures/29/1646742.jpg)
Bioinformatics
Algorithms
Data Visualization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,629
1,261
0.774
* Total Citation Counts Rankings
World Rank
663,734
Country Rank
199,126
Institution Rank : 358
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Lluvia Flores-Renteria](https://cdn.adscientificindex.com/pictures/5b/1646837.jpg)
Evolutionary Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,012
778
0.769
* Total Citation Counts Rankings
World Rank
697,737
Country Rank
207,449
Institution Rank : 373
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Yihui Wang](https://cdn.adscientificindex.com/pictures/2f/1646875.jpg)
Ecology
Modeling
Geobiochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
921
798
0.866
* Total Citation Counts Rankings
World Rank
710,923
Country Rank
210,653
Institution Rank : 380
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Mark Little](/pictures/2e/1646841.jpg)
Coral reef ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
888
698
0.786
* Total Citation Counts Rankings
World Rank
895,187
Country Rank
252,048
Institution Rank : 439
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Maria-Isabel Rojas](/pictures/0a/4767154.jpg)
Phage
Viruses
Infectious Diseases
Microbial Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
514
483
0.940
* Total Citation Counts Rankings
World Rank
976,170
Country Rank
267,766
Institution Rank : 464
![](https://cdn.adscientificindex.com/logos/7574.jpg)
![United States](/flags/us.png)
![Shr-Hau Hung](/pictures/79/4892288.jpg)
virology
structural biology
microbiome
biochemistry
biological oceanography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
389
361
0.928
* Total Citation Counts Rankings
World Ranking
4,276
Country Ranking
2,049
Institution Ranking
2
Scott T Kelley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81,930
52,857
0.645
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Bioinformatics
Environmental Microbiology
* Total Citation Counts Rankings
World Ranking
10,223
Country Ranking
4,905
Institution Ranking
8
Walter Oechel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,253
13,677
0.283
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Arctic
Atmosphere-Biosphere Exchange
Biogeochemical Cycling
Mediterranean Ecosystems
Global Change
* Total Citation Counts Rankings
World Ranking
29,828
Country Ranking
13,644
Institution Ranking
11
Stuart Hurlbert
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,317
4,009
0.165
![](https://cdn.adscientificindex.com/logos/7574.jpg)
ecology
limnology
statistics
overpopulation
censorship
* Total Citation Counts Rankings
World Ranking
44,655
Country Ranking
19,662
Institution Ranking
18
Mark Sussman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,232
5,428
0.298
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Molecular signaling and Regenerative Medicine
* Total Citation Counts Rankings
World Ranking
90,521
Country Ranking
36,691
Institution Ranking
44
Xiaofeng Xu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,511
6,686
0.636
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Global Change Ecology
Biogeochemistry
Ecosystem Modeling
Microbial Macroecology
* Total Citation Counts Rankings
World Ranking
141,473
Country Ranking
53,958
Institution Ranking
81
Elizabeth R Waters
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,051
1,967
0.279
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Molecular Evolution
heat stress
Boechera
* Total Citation Counts Rankings
World Ranking
152,641
Country Ranking
57,560
Institution Ranking
95
Anca Mara Segall
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,558
2,845
0.434
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Bacteriophages
Microbial Genetics
Genomics
Metagenomics
Computational Biology
* Total Citation Counts Rankings
World Ranking
153,600
Country Ranking
57,873
Institution Ranking
96
Marshal Hedin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,517
2,980
0.457
![](https://cdn.adscientificindex.com/logos/7574.jpg)
arachnid diversity and evolution
systematics
cave biology
* Total Citation Counts Rankings
World Ranking
156,355
Country Ranking
58,752
Institution Ranking
100
Chun Ta Lai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,408
1,843
0.288
![](https://cdn.adscientificindex.com/logos/7574.jpg)
carbon cycle
hydrological cycle
stable isotopes
biosphere-atmosphere interaction
* Total Citation Counts Rankings
World Ranking
221,555
Country Ranking
78,696
Institution Ranking
143
Kevin J Burns
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,485
1,982
0.442
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* Total Citation Counts Rankings
World Ranking
238,737
Country Ranking
83,768
Institution Ranking
151
Jeet Sukumaran
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,137
2,137
0.517
![](https://cdn.adscientificindex.com/logos/7574.jpg)
computational evolutionary biology
phylogenetics
biogeography
phylogeography
models and modeling
* Total Citation Counts Rankings
World Ranking
264,206
Country Ranking
91,211
Institution Ranking
167
Genivaldo Gueiros Z Silva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,697
2,619
0.708
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Computational Biology / Bioinformatics
(Meta)Genomics
Big Data
Machine Learning
* Total Citation Counts Rankings
World Ranking
267,048
Country Ranking
92,035
Institution Ranking
169
Michael G Simpson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,650
1,830
0.501
* Total Citation Counts Rankings
World Ranking
348,600
Country Ranking
115,289
Institution Ranking
200
Rulon Clark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,652
1,379
0.520
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Behavioral Ecology
Herpetology
Conservation Biology
* Total Citation Counts Rankings
World Ranking
380,587
Country Ranking
124,185
Institution Ranking
209
Nick Barber
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,368
1,455
0.614
![](https://cdn.adscientificindex.com/logos/7574.jpg)
community ecology
restoration ecology
plant-insect interactions
aboveground-belowground linkages
* Total Citation Counts Rankings
World Ranking
417,821
Country Ranking
134,355
Institution Ranking
230
Manal A Swairjo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,089
522
0.250
![](https://cdn.adscientificindex.com/logos/7574.jpg)
RNA nucleoside modification
structural enzymology
molecular evolution
X-ray crystallography
structural bioinfo
* Total Citation Counts Rankings
World Ranking
415,232
Country Ranking
133,619
Institution Ranking
226
Dwayne Roach
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,106
1,814
0.861
![](https://cdn.adscientificindex.com/logos/7574.jpg)
bacteriophages
host-phage interactions
immunology
phage therapy
hypoxia
* Total Citation Counts Rankings
World Ranking
450,655
Country Ranking
143,297
Institution Ranking
254
Eric Ekdale
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,882
1,032
0.548
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Comparative Anatomy
Evolutionary Biology
Vertebrate Paleontology
* Total Citation Counts Rankings
World Ranking
489,557
Country Ranking
153,754
Institution Ranking
277
Xia Song
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,668
873
0.523
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Ecosytem Ecology
Carbon and Water Cycle
* Total Citation Counts Rankings
World Ranking
497,534
Country Ranking
155,887
Institution Ranking
281
Daniel A Cuevas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,629
1,261
0.774
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Bioinformatics
Algorithms
Data Visualization
* Total Citation Counts Rankings
World Ranking
663,734
Country Ranking
199,126
Institution Ranking
358
Lluvia Flores-Renteria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,012
778
0.769
* Total Citation Counts Rankings
World Ranking
697,737
Country Ranking
207,449
Institution Ranking
373
Yihui Wang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
921
798
0.866
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Ecology
Modeling
Geobiochemistry
* Total Citation Counts Rankings
World Ranking
710,923
Country Ranking
210,653
Institution Ranking
380
Mark Little
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
888
698
0.786
* Total Citation Counts Rankings
World Ranking
895,187
Country Ranking
252,048
Institution Ranking
439
Maria-Isabel Rojas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
514
483
0.940
![](https://cdn.adscientificindex.com/logos/7574.jpg)
Phage
Viruses
Infectious Diseases
Microbial Ecology
* Total Citation Counts Rankings
World Ranking
976,170
Country Ranking
267,766
Institution Ranking
464
Shr-Hau Hung
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
389
361
0.928
![](https://cdn.adscientificindex.com/logos/7574.jpg)
virology
structural biology
microbiome
biochemistry
biological oceanography