Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, 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)
![J Gregory Caporaso](https://cdn.adscientificindex.com/pictures/b4/859199.jpg)
microbiome
bioinformatics
software engineering
sustainability
composting
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,286
95,995
0.694
![Douglas Biber](/user/assets/images/profile/no-profile-photo.png)
Linguistics
corpus linguistics
English grammar
register
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79,500
29,381
0.370
![Paul Keim](https://cdn.adscientificindex.com/pictures/09/4974064.jpg)
Bacterial Genomics
Ecological Genetics
Pathogen Evolution
Infectious Disease
BioDefense
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,474
28,997
0.488
![Andrew D Richardson](https://cdn.adscientificindex.com/pictures/73/859202.jpg)
Ecosystem ecology
Physiological ecology
Forest ecology
Global change
Phenology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,364
27,172
0.529
![Scott Goetz](https://cdn.adscientificindex.com/pictures/94/859203.jpg)
Earth observation
Terrestrial Ecosystems
Biodiversity Habitat
Remote Sensing
Canopy Structure
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,786
25,944
0.532
![Edward Ted Schuur](https://cdn.adscientificindex.com/pictures/86/859204.jpg)
Climate Science
Ecosystem Ecology
Biogeochemistry & Carbon
Permafrost & Arctic
Radiocarbon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,649
25,661
0.550
![Matthew Ryan Dillon](https://cdn.adscientificindex.com/pictures/72/840305.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,074
21,802
0.988
![Evan Bolyen](https://cdn.adscientificindex.com/pictures/9c/840303.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,447
21,304
0.993
![Talima Pearson](https://cdn.adscientificindex.com/pictures/af/859212.jpg)
Pathogen genetics
epidemiology and evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,625
19,127
0.777
![Miguel Jose Yacaman](https://cdn.adscientificindex.com/pictures/f0/859201.jpg)
Materials Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,532
18,272
0.393
![Bruce Hungate](https://cdn.adscientificindex.com/pictures/96/841380.jpg)
soil microbial ecology
biogeochemistry
stable isotopes
ecosystem science
global change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,852
17,813
0.526
![Emily K Cope](https://cdn.adscientificindex.com/pictures/c8/859228.jpg)
Chronic rhinosinusitis
Alzheimer's Disease
asthma
airway microbiome
gut microbiome
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,237
16,707
0.969
![Christopher R Keefe](https://cdn.adscientificindex.com/pictures/af/859238.jpg)
Software Engineering
Microbiome Bioinformatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,611
15,549
0.996
![Michelle Cailin Mack](https://cdn.adscientificindex.com/pictures/6b/859207.jpg)
Plant and ecosystem ecology
biogeochemistry
Arctic change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,104
14,436
0.496
![Jason Sahl](https://cdn.adscientificindex.com/pictures/56/828933.jpg)
Infectious disease genomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,851
14,211
0.510
![Luke Plonsky](https://cdn.adscientificindex.com/pictures/e0/859222.jpg)
applied linguistics
second language acquisition
meta-analysis
research methods
open science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,972
12,443
0.593
![Matthew Bowker](https://cdn.adscientificindex.com/pictures/fd/837678.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,744
11,257
0.634
![William Grabe](/user/assets/images/profile/no-profile-photo.png)
Applied Linguistics
Reading
writing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,933
10,479
0.350
![Darrell Kaufman](https://cdn.adscientificindex.com/pictures/48/859209.jpg)
paleoclimate
Quaternary geochronology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,314
9,894
0.512
![Thomas Kolb](https://cdn.adscientificindex.com/pictures/31/837694.jpg)
Forestry
Ecophysiology
Forest Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,637
9,768
0.451
![Neil S Cobb](https://cdn.adscientificindex.com/pictures/f2/859181.jpg)
Biodiversity
climate change
environmental stress
gradients
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,540
8,837
0.452
![Herbert Schweizer](/user/assets/images/profile/no-profile-photo.png)
microbiology
antimicrobial resistance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,695
7,855
0.318
![Kevin Gurney](https://cdn.adscientificindex.com/pictures/bb/859208.jpg)
carbon cycle
climate change
fossil fuel CO2
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,074
7,395
0.433
![Anna L Schwartz](https://cdn.adscientificindex.com/pictures/c2/859176.jpg)
Exercise
Oncology
Physical activity
Nursing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,777
7,294
0.494
![Peter Z Fulé](https://cdn.adscientificindex.com/pictures/40/837677.jpg)
Fire
climate
forest
restoration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,282
7,281
0.378
J Gregory Caporaso
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,286
95,995
0.694
microbiome
bioinformatics
software engineering
sustainability
composting
Douglas Biber
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79,500
29,381
0.370
Linguistics
corpus linguistics
English grammar
register
Paul Keim
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,474
28,997
0.488
Bacterial Genomics
Ecological Genetics
Pathogen Evolution
Infectious Disease
BioDefense
Andrew D Richardson
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,364
27,172
0.529
Ecosystem ecology
Physiological ecology
Forest ecology
Global change
Phenology
Scott Goetz
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,786
25,944
0.532
Earth observation
Terrestrial Ecosystems
Biodiversity Habitat
Remote Sensing
Canopy Structure
Edward Ted Schuur
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,649
25,661
0.550
Climate Science
Ecosystem Ecology
Biogeochemistry & Carbon
Permafrost & Arctic
Radiocarbon
Matthew Ryan Dillon
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,074
21,802
0.988
Evan Bolyen
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,447
21,304
0.993
Talima Pearson
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,625
19,127
0.777
Pathogen genetics
epidemiology and evolution
Miguel Jose Yacaman
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,532
18,272
0.393
Bruce Hungate
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,852
17,813
0.526
soil microbial ecology
biogeochemistry
stable isotopes
ecosystem science
global change
Emily K Cope
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,237
16,707
0.969
Chronic rhinosinusitis
Alzheimer's Disease
asthma
airway microbiome
gut microbiome
Christopher R Keefe
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,611
15,549
0.996
Software Engineering
Microbiome Bioinformatics
Michelle Cailin Mack
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,104
14,436
0.496
Plant and ecosystem ecology
biogeochemistry
Arctic change
Jason Sahl
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,851
14,211
0.510
Luke Plonsky
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,972
12,443
0.593
applied linguistics
second language acquisition
meta-analysis
research methods
open science
Matthew Bowker
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,744
11,257
0.634
William Grabe
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,933
10,479
0.350
Applied Linguistics
Reading
writing
Darrell Kaufman
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,314
9,894
0.512
Thomas Kolb
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,637
9,768
0.451
Forestry
Ecophysiology
Forest Ecology
Neil S Cobb
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,540
8,837
0.452
Biodiversity
climate change
environmental stress
gradients
Herbert Schweizer
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,695
7,855
0.318
microbiology
antimicrobial resistance
Kevin Gurney
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,074
7,395
0.433
carbon cycle
climate change
fossil fuel CO2
Anna L Schwartz
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,777
7,294
0.494
Exercise
Oncology
Physical activity
Nursing
Peter Z Fulé
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,282
7,281
0.378