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
472,572
Country Rank
149,232
Institution Rank : 26
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Ilke Celik](/pictures/15/1648335.jpg)
Life cycle assessment
Solar energy
Perovskite PVs
PV waste recycling
Food-energy-water nexus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,757
1,553
0.884
* Total Citation Counts Rankings
World Rank
477,766
Country Rank
150,588
Institution Rank : 27
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Kevin M Ward](https://cdn.adscientificindex.com/pictures/d8/1648328.jpg)
Tectonics
Seismology
Geophysics
Observational Seismology
Orogenic Systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,729
1,332
0.770
* Total Citation Counts Rankings
World Rank
479,619
Country Rank
151,086
Institution Rank : 28
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Maria L Carreon](https://cdn.adscientificindex.com/pictures/17/1648349.jpg)
plasma catalysis
nanomaterials
membranes
graphene
MOFs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,719
1,635
0.951
* Total Citation Counts Rankings
World Rank
508,518
Country Rank
158,836
Institution Rank : 29
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Roger W Johnson](/pictures/f7/1648324.jpg)
Statistics
Probability
Pedagogy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,577
594
0.377
* Total Citation Counts Rankings
World Rank
518,082
Country Rank
161,368
Institution Rank : 30
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Randy Hoover](/pictures/ba/1648333.jpg)
Machine learning
control theory
dynamic systems
robotics
autonomous systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,533
1,180
0.770
* Total Citation Counts Rankings
World Rank
528,330
Country Rank
164,131
Institution Rank : 31
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Pierre Larochelle](https://cdn.adscientificindex.com/pictures/1c/1648319.jpg)
Kinematics
Mechanisms
Robotics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,488
372
0.250
* Total Citation Counts Rankings
World Rank
546,736
Country Rank
168,958
Institution Rank : 33
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Laurie C Anderson](https://cdn.adscientificindex.com/pictures/16/1648322.jpg)
paleobiology
paleoecology
taphonomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,409
507
0.360
* Total Citation Counts Rankings
World Rank
543,488
Country Rank
168,151
Institution Rank : 32
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Micah Lande](/pictures/6a/1648329.jpg)
user-centered design
design thinking
maker educational pathways
engineering education
prototyping habits
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,422
779
0.548
* Total Citation Counts Rankings
World Rank
570,409
Country Rank
175,192
Institution Rank : 34
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Mengyu Qiao](https://cdn.adscientificindex.com/pictures/dd/1648323.jpg)
Information Security
Multimedia Processing
Digital Forensics
Artificial Intelligence
Mobile Computing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,316
402
0.305
* Total Citation Counts Rankings
World Rank
591,554
Country Rank
180,601
Institution Rank : 35
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Larry Stetler](/pictures/c6/1648326.jpg)
geological engineering
fluvial systems
geomorphology
geomechanics
sedimentation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,239
400
0.323
* Total Citation Counts Rankings
World Rank
593,807
Country Rank
181,191
Institution Rank : 36
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Michael Foygel](/user/assets/images/profile/no-profile-photo.png)
Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,231
386
0.314
* Total Citation Counts Rankings
World Rank
617,972
Country Rank
187,453
Institution Rank : 37
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Larry D Pyeatt](/pictures/d1/1648325.jpg)
Robotics
Reinforcement Learning
Partially Observable Markov Decision Processes
Artificial Intelligence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,150
311
0.270
* Total Citation Counts Rankings
World Rank
627,358
Country Rank
189,884
Institution Rank : 38
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Nickolaus M Bruno](/pictures/94/1648336.jpg)
Magnetic Materials
Active Materials
Scientific Instruments
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,120
775
0.692
* Total Citation Counts Rankings
World Rank
632,024
Country Rank
191,085
Institution Rank : 39
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Timothy M Brenza](/pictures/95/1648354.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,105
950
0.860
* Total Citation Counts Rankings
World Rank
676,813
Country Rank
202,362
Institution Rank : 40
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Shaobo Huang](/user/assets/images/profile/no-profile-photo.png)
STEM Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
976
601
0.616
* Total Citation Counts Rankings
World Rank
683,236
Country Rank
203,950
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Mengistu Geza](/user/assets/images/profile/no-profile-photo.png)
Water resources
Environmental engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
959
552
0.576
* Total Citation Counts Rankings
World Rank
708,731
Country Rank
210,116
Institution Rank : 42
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![William J Capehart](/pictures/dc/1648330.jpg)
Meteorology
Climate Change
Hydrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
894
166
0.186
* Total Citation Counts Rankings
World Rank
747,717
Country Rank
219,498
Institution Rank : 43
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Albert Romkes](/pictures/bc/1648334.jpg)
computational mechanics
applied mathematics
computational mathematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
802
219
0.273
* Total Citation Counts Rankings
World Rank
749,458
Country Rank
219,880
Institution Rank : 44
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Andrea Surovek](/pictures/f8/1648339.jpg)
Faculty Development
Mentoring
Creativity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
798
309
0.387
* Total Citation Counts Rankings
World Rank
770,297
Country Rank
224,655
Institution Rank : 46
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Phil Ahrenkiel](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
752
373
0.496
* Total Citation Counts Rankings
World Rank
770,033
Country Rank
224,594
Institution Rank : 45
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Christopher R Shearer](/pictures/ab/4632224.jpg)
Civil Engineering
Concrete
Fly Ash
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
752
668
0.888
* Total Citation Counts Rankings
World Rank
780,430
Country Rank
226,940
Institution Rank : 47
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Sarah W Keenan](/pictures/c7/1648352.jpg)
geobiology
geochemistry
biogeochemistry
paleontology
soils
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
730
591
0.810
* Total Citation Counts Rankings
World Rank
787,177
Country Rank
228,475
Institution Rank : 48
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Shankarachary Ragi](/pictures/12/1648351.jpg)
applied machine learning
natural language processing
data science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
716
529
0.739
* Total Citation Counts Rankings
World Rank
792,298
Country Rank
229,657
Institution Rank : 49
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Kurt Chowanski](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
706
238
0.337
* Total Citation Counts Rankings
World Rank
793,389
Country Rank
229,904
Institution Rank : 50
![](https://cdn.adscientificindex.com/logos/8255.png)
![United States](/flags/us.png)
![Tejo V Bheemasetti](/pictures/7b/4312454.jpg)
Geotechnical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
703
596
0.848
* Total Citation Counts Rankings
World Ranking
472,572
Country Ranking
149,232
Institution Ranking
26
Ilke Celik
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,757
1,553
0.884
![](https://cdn.adscientificindex.com/logos/8255.png)
Life cycle assessment
Solar energy
Perovskite PVs
PV waste recycling
Food-energy-water nexus
* Total Citation Counts Rankings
World Ranking
477,766
Country Ranking
150,588
Institution Ranking
27
Kevin M Ward
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,729
1,332
0.770
![](https://cdn.adscientificindex.com/logos/8255.png)
Tectonics
Seismology
Geophysics
Observational Seismology
Orogenic Systems
* Total Citation Counts Rankings
World Ranking
479,619
Country Ranking
151,086
Institution Ranking
28
Maria L Carreon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,719
1,635
0.951
![](https://cdn.adscientificindex.com/logos/8255.png)
plasma catalysis
nanomaterials
membranes
graphene
MOFs
* Total Citation Counts Rankings
World Ranking
508,518
Country Ranking
158,836
Institution Ranking
29
Roger W Johnson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,577
594
0.377
![](https://cdn.adscientificindex.com/logos/8255.png)
Statistics
Probability
Pedagogy
* Total Citation Counts Rankings
World Ranking
518,082
Country Ranking
161,368
Institution Ranking
30
Randy Hoover
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,533
1,180
0.770
![](https://cdn.adscientificindex.com/logos/8255.png)
Machine learning
control theory
dynamic systems
robotics
autonomous systems
* Total Citation Counts Rankings
World Ranking
528,330
Country Ranking
164,131
Institution Ranking
31
Pierre Larochelle
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,488
372
0.250
![](https://cdn.adscientificindex.com/logos/8255.png)
Kinematics
Mechanisms
Robotics
* Total Citation Counts Rankings
World Ranking
546,736
Country Ranking
168,958
Institution Ranking
33
Laurie C Anderson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,409
507
0.360
![](https://cdn.adscientificindex.com/logos/8255.png)
paleobiology
paleoecology
taphonomy
* Total Citation Counts Rankings
World Ranking
543,488
Country Ranking
168,151
Institution Ranking
32
Micah Lande
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,422
779
0.548
![](https://cdn.adscientificindex.com/logos/8255.png)
user-centered design
design thinking
maker educational pathways
engineering education
prototyping habits
* Total Citation Counts Rankings
World Ranking
570,409
Country Ranking
175,192
Institution Ranking
34
Mengyu Qiao
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,316
402
0.305
![](https://cdn.adscientificindex.com/logos/8255.png)
Information Security
Multimedia Processing
Digital Forensics
Artificial Intelligence
Mobile Computing
* Total Citation Counts Rankings
World Ranking
591,554
Country Ranking
180,601
Institution Ranking
35
Larry Stetler
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,239
400
0.323
![](https://cdn.adscientificindex.com/logos/8255.png)
geological engineering
fluvial systems
geomorphology
geomechanics
sedimentation
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* Total Citation Counts Rankings
World Ranking
593,807
Country Ranking
181,191
Institution Ranking
36
Michael Foygel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,231
386
0.314
* Total Citation Counts Rankings
World Ranking
617,972
Country Ranking
187,453
Institution Ranking
37
Larry D Pyeatt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,150
311
0.270
![](https://cdn.adscientificindex.com/logos/8255.png)
Robotics
Reinforcement Learning
Partially Observable Markov Decision Processes
Artificial Intelligence
* Total Citation Counts Rankings
World Ranking
627,358
Country Ranking
189,884
Institution Ranking
38
Nickolaus M Bruno
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,120
775
0.692
![](https://cdn.adscientificindex.com/logos/8255.png)
Magnetic Materials
Active Materials
Scientific Instruments
* Total Citation Counts Rankings
World Ranking
632,024
Country Ranking
191,085
Institution Ranking
39
Timothy M Brenza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,105
950
0.860
* Total Citation Counts Rankings
World Ranking
676,813
Country Ranking
202,362
Institution Ranking
40
Shaobo Huang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
976
601
0.616
* Total Citation Counts Rankings
World Ranking
683,236
Country Ranking
203,950
Institution Ranking
41
Mengistu Geza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
959
552
0.576
![](https://cdn.adscientificindex.com/logos/8255.png)
Water resources
Environmental engineering
* Total Citation Counts Rankings
World Ranking
708,731
Country Ranking
210,116
Institution Ranking
42
William J Capehart
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
894
166
0.186
![](https://cdn.adscientificindex.com/logos/8255.png)
Meteorology
Climate Change
Hydrology
* Total Citation Counts Rankings
World Ranking
747,717
Country Ranking
219,498
Institution Ranking
43
Albert Romkes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
802
219
0.273
![](https://cdn.adscientificindex.com/logos/8255.png)
computational mechanics
applied mathematics
computational mathematics
* Total Citation Counts Rankings
World Ranking
749,458
Country Ranking
219,880
Institution Ranking
44
Andrea Surovek
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
798
309
0.387
* Total Citation Counts Rankings
World Ranking
770,297
Country Ranking
224,655
Institution Ranking
46
Phil Ahrenkiel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
752
373
0.496
* Total Citation Counts Rankings
World Ranking
770,033
Country Ranking
224,594
Institution Ranking
45
Christopher R Shearer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
752
668
0.888
![](https://cdn.adscientificindex.com/logos/8255.png)
Civil Engineering
Concrete
Fly Ash
* Total Citation Counts Rankings
World Ranking
780,430
Country Ranking
226,940
Institution Ranking
47
Sarah W Keenan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
730
591
0.810
![](https://cdn.adscientificindex.com/logos/8255.png)
geobiology
geochemistry
biogeochemistry
paleontology
soils
* Total Citation Counts Rankings
World Ranking
787,177
Country Ranking
228,475
Institution Ranking
48
Shankarachary Ragi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
716
529
0.739
![](https://cdn.adscientificindex.com/logos/8255.png)
applied machine learning
natural language processing
data science
* Total Citation Counts Rankings
World Ranking
792,298
Country Ranking
229,657
Institution Ranking
49
Kurt Chowanski
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
706
238
0.337
* Total Citation Counts Rankings
World Ranking
793,389
Country Ranking
229,904
Institution Ranking
50
Tejo V Bheemasetti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
703
596
0.848