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
237,701
Country Rank
83,453
Institution Rank : 175
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Stephen Ditchkoff](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,157
2,077
0.500
* Total Citation Counts Rankings
World Rank
261,841
Country Rank
90,518
Institution Rank : 200
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Christopher Anderson](https://cdn.adscientificindex.com/pictures/27/858461.jpg)
Wetland Ecology
Urban Ecology
Watershed Management
Coastal Wetlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,735
1,878
0.503
* Total Citation Counts Rankings
World Rank
290,142
Country Rank
98,762
Institution Rank : 230
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Elizabeth Hiltbold Schwartz|Elizabeth M HIltbold](https://cdn.adscientificindex.com/pictures/7f/828641.jpg)
Host-pathogen interaction
Dendritic cells
Gut Microbiota
Listeria monocytogenes
insect immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,313
828
0.250
* Total Citation Counts Rankings
World Rank
297,945
Country Rank
101,006
Institution Rank : 237
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Steury Todd D](https://cdn.adscientificindex.com/pictures/da/858462.jpg)
Carnivore ecology
conservation biology
predator-prey relationships
quantitative ecology
statistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,212
1,352
0.421
* Total Citation Counts Rankings
World Rank
306,466
Country Rank
103,478
Institution Rank : 243
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![James Barry Grand](/user/assets/images/profile/no-profile-photo.png)
Wildlife Ecology and Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,105
808
0.260
* Total Citation Counts Rankings
World Rank
319,393
Country Rank
107,102
Institution Rank : 254
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Sharon Hermann](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,955
965
0.327
* Total Citation Counts Rankings
World Rank
362,073
Country Rank
119,047
Institution Rank : 284
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Laurie Stevison](/pictures/c3/858491.jpg)
Evolutionary genetics
population genetics
speciation
recombination
bioinformatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,527
1,207
0.478
* Total Citation Counts Rankings
World Rank
355,601
Country Rank
117,248
Institution Rank : 275
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Cissy Ballen](https://cdn.adscientificindex.com/pictures/8b/858614.jpg)
biology education research
biology education
discipline-based education research
science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,585
2,347
0.908
* Total Citation Counts Rankings
World Rank
367,416
Country Rank
120,555
Institution Rank : 289
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Ryan Range](/user/assets/images/profile/no-profile-photo.png)
evolutionary and developmental biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,480
734
0.296
* Total Citation Counts Rankings
World Rank
381,253
Country Rank
124,370
Institution Rank : 297
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Tonia Schwartz](https://cdn.adscientificindex.com/pictures/20/828643.jpg)
Genetics
Evolution
Life History
Stress Response
Maternal Effects
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,363
1,047
0.443
* Total Citation Counts Rankings
World Rank
404,219
Country Rank
130,610
Institution Rank : 309
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![David W Held](/user/assets/images/profile/no-profile-photo.png)
Entomology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,186
902
0.413
* Total Citation Counts Rankings
World Rank
429,860
Country Rank
137,720
Institution Rank : 334
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Jamie Oaks](https://cdn.adscientificindex.com/pictures/5b/858531.jpg)
Evolutionary Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,010
1,277
0.635
* Total Citation Counts Rankings
World Rank
473,381
Country Rank
149,435
Institution Rank : 369
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Matthew E Wolak](https://cdn.adscientificindex.com/pictures/11/858551.jpg)
Evolutionary Biology
Ecology
Quantitative Genetics
Linear Mixed Models
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,753
1,122
0.640
* Total Citation Counts Rankings
World Rank
494,367
Country Rank
155,038
Institution Rank : 385
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Debswapna Bhattacharya](/pictures/25/851502.jpg)
Computational Biology
Bioinformatics
Machine Learning
Data Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,644
1,220
0.742
* Total Citation Counts Rankings
World Rank
503,322
Country Rank
157,404
Institution Rank : 389
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![John W Finger Jr](/pictures/8e/828647.jpg)
Stress Physiology
Immunology
Toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,601
1,252
0.782
* Total Citation Counts Rankings
World Rank
512,501
Country Rank
159,893
Institution Rank : 395
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![John Beckmann](/pictures/ff/858589.jpg)
Biotechnology
Nietzsche
Art
Artificial Intelligence
Bitcoin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,558
1,278
0.820
* Total Citation Counts Rankings
World Rank
518,875
Country Rank
161,568
Institution Rank : 399
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Leslie R Goertzen](https://cdn.adscientificindex.com/pictures/b8/828645.jpg)
Plant Evolutionary Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,530
489
0.320
* Total Citation Counts Rankings
World Rank
524,739
Country Rank
163,173
Institution Rank : 404
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Stephen C Kempf](https://cdn.adscientificindex.com/pictures/91/828644.jpg)
Invertebrate Larval Neurodevelopment
Symbiodinium (Zooxanthella) Symbiosis in Cnidarians and Mollusca
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,504
267
0.178
* Total Citation Counts Rankings
World Rank
544,708
Country Rank
168,440
Institution Rank : 422
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Priscila Falagan Lotsch](https://cdn.adscientificindex.com/pictures/a1/828646.jpg)
Nano-Bio interface
Nanotoxicology
Molecular Toxicology
Biomarkers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,417
864
0.610
* Total Citation Counts Rankings
World Rank
546,822
Country Rank
168,980
Institution Rank : 424
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Sarah Zohdy](https://cdn.adscientificindex.com/pictures/ed/858642.jpg)
Disease Ecology
Ectoparasites
Conservation Biology
Primatology
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,408
1,139
0.809
* Total Citation Counts Rankings
World Rank
569,711
Country Rank
175,009
Institution Rank : 437
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Ting Li](/user/assets/images/profile/no-profile-photo.png)
Biology
Entomology
Physiology
Toxicology
Genomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,318
865
0.656
* Total Citation Counts Rankings
World Rank
570,036
Country Rank
175,082
Institution Rank : 438
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Kathleen Martin](/pictures/92/858570.jpg)
Virology
plant biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,317
746
0.566
* Total Citation Counts Rankings
World Rank
570,332
Country Rank
175,173
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/638.png)
![United States](/flags/us.png)
![Claudia Stein](/pictures/49/858779.jpg)
Community ecology
Species interactions
Biodiversity-ecosystem functioning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,316
714
0.543
* Total Citation Counts Rankings
World Rank
582,483
Country Rank
178,240
Institution Rank : 448
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Jie Zhang](/user/assets/images/profile/no-profile-photo.png)
Synthetic biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,271
1,065
0.838
* Total Citation Counts Rankings
World Rank
583,878
Country Rank
178,577
Institution Rank : 450
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Janna Willoughby](https://cdn.adscientificindex.com/pictures/52/858649.jpg)
molecular ecology
evolution
conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,266
1,054
0.833
* Total Citation Counts Rankings
World Ranking
237,701
Country Ranking
83,453
Institution Ranking
175
Stephen Ditchkoff
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,157
2,077
0.500
* Total Citation Counts Rankings
World Ranking
261,841
Country Ranking
90,518
Institution Ranking
200
Christopher Anderson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,735
1,878
0.503
![](https://cdn.adscientificindex.com/logos/637.png)
Wetland Ecology
Urban Ecology
Watershed Management
Coastal Wetlands
* Total Citation Counts Rankings
World Ranking
290,142
Country Ranking
98,762
Institution Ranking
230
Elizabeth Hiltbold Schwartz|Elizabeth M HIltbold
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,313
828
0.250
![](https://cdn.adscientificindex.com/logos/637.png)
Host-pathogen interaction
Dendritic cells
Gut Microbiota
Listeria monocytogenes
insect immunology
* Total Citation Counts Rankings
World Ranking
297,945
Country Ranking
101,006
Institution Ranking
237
Steury Todd D
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,212
1,352
0.421
![](https://cdn.adscientificindex.com/logos/637.png)
Carnivore ecology
conservation biology
predator-prey relationships
quantitative ecology
statistics
* Total Citation Counts Rankings
World Ranking
306,466
Country Ranking
103,478
Institution Ranking
243
James Barry Grand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,105
808
0.260
* Total Citation Counts Rankings
World Ranking
319,393
Country Ranking
107,102
Institution Ranking
254
Sharon Hermann
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,955
965
0.327
* Total Citation Counts Rankings
World Ranking
362,073
Country Ranking
119,047
Institution Ranking
284
Laurie Stevison
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,527
1,207
0.478
![](https://cdn.adscientificindex.com/logos/637.png)
Evolutionary genetics
population genetics
speciation
recombination
bioinformatics
* Total Citation Counts Rankings
World Ranking
355,601
Country Ranking
117,248
Institution Ranking
275
Cissy Ballen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,585
2,347
0.908
![](https://cdn.adscientificindex.com/logos/637.png)
biology education research
biology education
discipline-based education research
science
* Total Citation Counts Rankings
World Ranking
367,416
Country Ranking
120,555
Institution Ranking
289
Ryan Range
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,480
734
0.296
![](https://cdn.adscientificindex.com/logos/637.png)
evolutionary and developmental biology
* Total Citation Counts Rankings
World Ranking
381,253
Country Ranking
124,370
Institution Ranking
297
Tonia Schwartz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,363
1,047
0.443
![](https://cdn.adscientificindex.com/logos/637.png)
Genetics
Evolution
Life History
Stress Response
Maternal Effects
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* Total Citation Counts Rankings
World Ranking
404,219
Country Ranking
130,610
Institution Ranking
309
David W Held
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,186
902
0.413
* Total Citation Counts Rankings
World Ranking
429,860
Country Ranking
137,720
Institution Ranking
334
Jamie Oaks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,010
1,277
0.635
* Total Citation Counts Rankings
World Ranking
473,381
Country Ranking
149,435
Institution Ranking
369
Matthew E Wolak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,753
1,122
0.640
![](https://cdn.adscientificindex.com/logos/637.png)
Evolutionary Biology
Ecology
Quantitative Genetics
Linear Mixed Models
* Total Citation Counts Rankings
World Ranking
494,367
Country Ranking
155,038
Institution Ranking
385
Debswapna Bhattacharya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,644
1,220
0.742
![](https://cdn.adscientificindex.com/logos/637.png)
Computational Biology
Bioinformatics
Machine Learning
Data Science
* Total Citation Counts Rankings
World Ranking
503,322
Country Ranking
157,404
Institution Ranking
389
John W Finger Jr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,601
1,252
0.782
![](https://cdn.adscientificindex.com/logos/637.png)
Stress Physiology
Immunology
Toxicology
* Total Citation Counts Rankings
World Ranking
512,501
Country Ranking
159,893
Institution Ranking
395
John Beckmann
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,558
1,278
0.820
![](https://cdn.adscientificindex.com/logos/637.png)
Biotechnology
Nietzsche
Art
Artificial Intelligence
Bitcoin
* Total Citation Counts Rankings
World Ranking
518,875
Country Ranking
161,568
Institution Ranking
399
Leslie R Goertzen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,530
489
0.320
* Total Citation Counts Rankings
World Ranking
524,739
Country Ranking
163,173
Institution Ranking
404
Stephen C Kempf
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,504
267
0.178
![](https://cdn.adscientificindex.com/logos/637.png)
Invertebrate Larval Neurodevelopment
Symbiodinium (Zooxanthella) Symbiosis in Cnidarians and Mollusca
* Total Citation Counts Rankings
World Ranking
544,708
Country Ranking
168,440
Institution Ranking
422
Priscila Falagan Lotsch
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,417
864
0.610
![](https://cdn.adscientificindex.com/logos/637.png)
Nano-Bio interface
Nanotoxicology
Molecular Toxicology
Biomarkers
* Total Citation Counts Rankings
World Ranking
546,822
Country Ranking
168,980
Institution Ranking
424
Sarah Zohdy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,408
1,139
0.809
![](https://cdn.adscientificindex.com/logos/637.png)
Disease Ecology
Ectoparasites
Conservation Biology
Primatology
Public Health
* Total Citation Counts Rankings
World Ranking
569,711
Country Ranking
175,009
Institution Ranking
437
Ting Li
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,318
865
0.656
![](https://cdn.adscientificindex.com/logos/637.png)
Biology
Entomology
Physiology
Toxicology
Genomics
* Total Citation Counts Rankings
World Ranking
570,036
Country Ranking
175,082
Institution Ranking
438
Kathleen Martin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,317
746
0.566
* Total Citation Counts Rankings
World Ranking
570,332
Country Ranking
175,173
Institution Ranking
9
Claudia Stein
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,316
714
0.543
![](https://cdn.adscientificindex.com/logos/638.png)
Community ecology
Species interactions
Biodiversity-ecosystem functioning
* Total Citation Counts Rankings
World Ranking
582,483
Country Ranking
178,240
Institution Ranking
448
Jie Zhang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,271
1,065
0.838
* Total Citation Counts Rankings
World Ranking
583,878
Country Ranking
178,577
Institution Ranking
450
Janna Willoughby
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,266
1,054
0.833
![](https://cdn.adscientificindex.com/logos/637.png)
molecular ecology
evolution
conservation