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
46,881
Country Rank
20,504
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Anthony K Burrell](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,612
6,511
0.370
* Total Citation Counts Rankings
World Rank
47,687
Country Rank
20,814
Institution Rank : 24
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Jao Van De Lagemaat](https://cdn.adscientificindex.com/pictures/7e/4397487.jpg)
Photochemistry
nanoscience
Photophysics
Solar Energy
plasmonics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,404
5,463
0.314
* Total Citation Counts Rankings
World Rank
49,153
Country Rank
21,381
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Bryan Pivovar](/user/assets/images/profile/no-profile-photo.png)
fuel cells
electrolysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,019
8,273
0.486
* Total Citation Counts Rankings
World Rank
51,017
Country Rank
22,108
Institution Rank : 26
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Amie Sluiter](https://cdn.adscientificindex.com/pictures/50/4390762.jpg)
Bioenergy Biomass
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,543
8,290
0.501
* Total Citation Counts Rankings
World Rank
51,463
Country Rank
22,294
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/15782.png)
![United States](/flags/us.png)
![Christopher Hahn](https://cdn.adscientificindex.com/pictures/76/1650915.jpg)
electrocatalysis
nanoscience
renewable energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,443
14,986
0.911
* Total Citation Counts Rankings
World Rank
51,577
Country Rank
22,336
Institution Rank : 27
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Martin Keller](https://cdn.adscientificindex.com/pictures/9b/4386902.jpg)
Biofuels
Microbiology
Microbial Ecology
Energy Technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,417
5,563
0.339
* Total Citation Counts Rankings
World Rank
52,467
Country Rank
22,701
Institution Rank : 28
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Emily Warren](https://cdn.adscientificindex.com/pictures/b9/4395050.jpg)
Photovoltaics
Tandem solar cells
Heteroepitaxy
Silicon Microwires
Photoelectrochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,203
7,094
0.438
* Total Citation Counts Rankings
World Rank
52,608
Country Rank
22,759
Institution Rank : 29
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Daniel J Friedman](https://cdn.adscientificindex.com/pictures/e6/4393694.jpg)
photovoltaics
multijunction solar cells
concentrating photovoltaics
solar cells
thermophotovoltaics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,173
3,929
0.243
* Total Citation Counts Rankings
World Rank
53,570
Country Rank
23,128
Institution Rank : 30
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Justin Sluiter](/user/assets/images/profile/no-profile-photo.png)
Biomass Compostional Analysis
Renewable Energy
Biofuels
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,958
8,230
0.516
* Total Citation Counts Rankings
World Rank
53,802
Country Rank
23,225
Institution Rank : 31
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![John Geisz](/user/assets/images/profile/no-profile-photo.png)
solar cells
OMVPE
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,907
5,314
0.334
* Total Citation Counts Rankings
World Rank
54,363
Country Rank
23,442
Institution Rank : 32
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Robert L Mccormick](https://cdn.adscientificindex.com/pictures/7d/4381140.jpg)
chemical engineering - fuel/engine interactions -biofuels - fuels properties - combustion - pollutant emissions - quality stand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,786
5,052
0.320
* Total Citation Counts Rankings
World Rank
56,267
Country Rank
24,164
Institution Rank : 33
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Arjun Singh](/user/assets/images/profile/no-profile-photo.png)
biofuels
metabolic engineering
genetics
molecular biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,383
5,265
0.342
* Total Citation Counts Rankings
World Rank
56,288
Country Rank
24,174
Institution Rank : 34
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Garvin Heath](https://cdn.adscientificindex.com/pictures/f0/4395809.jpg)
greenhouse gas
energy
land
water
life cycle assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,377
8,814
0.573
* Total Citation Counts Rankings
World Rank
57,663
Country Rank
24,700
Institution Rank : 35
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Bri-Mathias Hodge](https://cdn.adscientificindex.com/pictures/f9/4392347.jpg)
Energy Systems Analysis
Renewable Energy Integration
Power Systems
Process Systems Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,074
12,165
0.807
* Total Citation Counts Rankings
World Rank
61,639
Country Rank
26,197
Institution Rank : 36
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Mark Nimlos](https://cdn.adscientificindex.com/pictures/4b/4386779.jpg)
Production of Fuels and Chemicals from Biomass
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,343
4,138
0.289
* Total Citation Counts Rankings
World Rank
62,564
Country Rank
26,527
Institution Rank : 37
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Mark F Davis](https://cdn.adscientificindex.com/pictures/26/4386744.jpg)
Bioenergy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,182
6,745
0.476
* Total Citation Counts Rankings
World Rank
63,735
Country Rank
26,985
Institution Rank : 38
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Robert Margolis](https://cdn.adscientificindex.com/pictures/21/4381154.jpg)
Solar Photovoltaics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,981
8,199
0.586
* Total Citation Counts Rankings
World Rank
65,445
Country Rank
27,616
Institution Rank : 39
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Craig L Perkins](https://cdn.adscientificindex.com/pictures/b9/4393450.jpg)
Photovoltaics
surface science
solar fuels
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,709
3,921
0.286
* Total Citation Counts Rankings
World Rank
66,071
Country Rank
27,855
Institution Rank : 40
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Matthew O Reese](/user/assets/images/profile/no-profile-photo.png)
photovoltaics
CdTe
OPV
reliability
WVTR
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,607
8,091
0.595
* Total Citation Counts Rankings
World Rank
66,436
Country Rank
28,003
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Shyam S Kocha](https://cdn.adscientificindex.com/pictures/11/4382366.jpg)
Fuel Cells & Electrolyzers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,554
4,797
0.354
* Total Citation Counts Rankings
World Rank
69,420
Country Rank
29,075
Institution Rank : 42
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Qi Jiang(蒋琦)](https://cdn.adscientificindex.com/pictures/dd/4389507.jpg)
Perovskite,PV
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,097
12,223
0.933
* Total Citation Counts Rankings
World Rank
70,652
Country Rank
29,513
Institution Rank : 43
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Thomas Foust](https://cdn.adscientificindex.com/pictures/95/4383414.jpg)
Bioenergy
Economic Analysis
Sustainability
Chemical Kinetics
Multiphase Flow
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,915
4,277
0.331
* Total Citation Counts Rankings
World Rank
71,920
Country Rank
29,999
Institution Rank : 44
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Philip A Parilla](/user/assets/images/profile/no-profile-photo.png)
Energy
Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,721
4,818
0.379
* Total Citation Counts Rankings
World Rank
72,154
Country Rank
30,052
Institution Rank : 45
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Wilson A Smith](https://cdn.adscientificindex.com/pictures/22/4384536.jpg)
Electrocatalysis
CO2 Reduction
In situ/Operando Spectroscopy
Photoelectrochemistry
Electrochemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,708
10,245
0.806
* Total Citation Counts Rankings
World Rank
73,123
Country Rank
30,424
Institution Rank : 46
![](https://cdn.adscientificindex.com/logos/15819.png)
![United States](/flags/us.png)
![Benjamin Kroposki](https://cdn.adscientificindex.com/pictures/a4/4391903.jpg)
Power Engineering
Renewable Energy Integration
Power Systems
Microgrids
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,566
6,647
0.529
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
46,881
![United States](/flags/us.png)
20,504
![](https://cdn.adscientificindex.com/logos/15819.png)
23
Anthony K Burrell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,612
6,511
0.370
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
47,687
![United States](/flags/us.png)
20,814
![](https://cdn.adscientificindex.com/logos/15819.png)
24
Jao Van De Lagemaat
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,404
5,463
0.314
![](https://cdn.adscientificindex.com/logos/15819.png)
Photochemistry
nanoscience
Photophysics
Solar Energy
plasmonics
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
49,153
![United States](/flags/us.png)
21,381
![](https://cdn.adscientificindex.com/logos/15819.png)
25
Bryan Pivovar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,019
8,273
0.486
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
51,017
![United States](/flags/us.png)
22,108
![](https://cdn.adscientificindex.com/logos/15819.png)
26
Amie Sluiter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,543
8,290
0.501
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
51,463
![United States](/flags/us.png)
22,294
![](https://cdn.adscientificindex.com/logos/15782.png)
21
Christopher Hahn
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,443
14,986
0.911
![](https://cdn.adscientificindex.com/logos/15782.png)
electrocatalysis
nanoscience
renewable energy
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
51,577
![United States](/flags/us.png)
22,336
![](https://cdn.adscientificindex.com/logos/15819.png)
27
Martin Keller
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,417
5,563
0.339
![](https://cdn.adscientificindex.com/logos/15819.png)
Biofuels
Microbiology
Microbial Ecology
Energy Technology
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
52,467
![United States](/flags/us.png)
22,701
![](https://cdn.adscientificindex.com/logos/15819.png)
28
Emily Warren
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,203
7,094
0.438
![](https://cdn.adscientificindex.com/logos/15819.png)
Photovoltaics
Tandem solar cells
Heteroepitaxy
Silicon Microwires
Photoelectrochemistry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
52,608
![United States](/flags/us.png)
22,759
![](https://cdn.adscientificindex.com/logos/15819.png)
29
Daniel J Friedman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,173
3,929
0.243
![](https://cdn.adscientificindex.com/logos/15819.png)
photovoltaics
multijunction solar cells
concentrating photovoltaics
solar cells
thermophotovoltaics
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
53,570
![United States](/flags/us.png)
23,128
![](https://cdn.adscientificindex.com/logos/15819.png)
30
Justin Sluiter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,958
8,230
0.516
![](https://cdn.adscientificindex.com/logos/15819.png)
Biomass Compostional Analysis
Renewable Energy
Biofuels
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
53,802
![United States](/flags/us.png)
23,225
![](https://cdn.adscientificindex.com/logos/15819.png)
31
John Geisz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,907
5,314
0.334
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![Adscientificindex](/assets/images/banner_click.png)
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
54,363
![United States](/flags/us.png)
23,442
![](https://cdn.adscientificindex.com/logos/15819.png)
32
Robert L Mccormick
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,786
5,052
0.320
![](https://cdn.adscientificindex.com/logos/15819.png)
chemical engineering - fuel/engine interactions -biofuels - fuels properties - combustion - pollutant emissions - quality stand
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
56,267
![United States](/flags/us.png)
24,164
![](https://cdn.adscientificindex.com/logos/15819.png)
33
Arjun Singh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,383
5,265
0.342
![](https://cdn.adscientificindex.com/logos/15819.png)
biofuels
metabolic engineering
genetics
molecular biology
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
56,288
![United States](/flags/us.png)
24,174
![](https://cdn.adscientificindex.com/logos/15819.png)
34
Garvin Heath
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,377
8,814
0.573
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
57,663
![United States](/flags/us.png)
24,700
![](https://cdn.adscientificindex.com/logos/15819.png)
35
Bri-Mathias Hodge
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,074
12,165
0.807
![](https://cdn.adscientificindex.com/logos/15819.png)
Energy Systems Analysis
Renewable Energy Integration
Power Systems
Process Systems Engineering
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
61,639
![United States](/flags/us.png)
26,197
![](https://cdn.adscientificindex.com/logos/15819.png)
36
Mark Nimlos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,343
4,138
0.289
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
62,564
![United States](/flags/us.png)
26,527
![](https://cdn.adscientificindex.com/logos/15819.png)
37
Mark F Davis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,182
6,745
0.476
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
63,735
![United States](/flags/us.png)
26,985
![](https://cdn.adscientificindex.com/logos/15819.png)
38
Robert Margolis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,981
8,199
0.586
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
65,445
![United States](/flags/us.png)
27,616
![](https://cdn.adscientificindex.com/logos/15819.png)
39
Craig L Perkins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,709
3,921
0.286
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
66,071
![United States](/flags/us.png)
27,855
![](https://cdn.adscientificindex.com/logos/15819.png)
40
Matthew O Reese
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,607
8,091
0.595
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
66,436
![United States](/flags/us.png)
28,003
![](https://cdn.adscientificindex.com/logos/15819.png)
41
Shyam S Kocha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,554
4,797
0.354
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
69,420
![United States](/flags/us.png)
29,075
![](https://cdn.adscientificindex.com/logos/15819.png)
42
Qi Jiang(蒋琦)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,097
12,223
0.933
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
70,652
![United States](/flags/us.png)
29,513
![](https://cdn.adscientificindex.com/logos/15819.png)
43
Thomas Foust
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,915
4,277
0.331
![](https://cdn.adscientificindex.com/logos/15819.png)
Bioenergy
Economic Analysis
Sustainability
Chemical Kinetics
Multiphase Flow
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
71,920
![United States](/flags/us.png)
29,999
![](https://cdn.adscientificindex.com/logos/15819.png)
44
Philip A Parilla
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,721
4,818
0.379
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
72,154
![United States](/flags/us.png)
30,052
![](https://cdn.adscientificindex.com/logos/15819.png)
45
Wilson A Smith
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,708
10,245
0.806
![](https://cdn.adscientificindex.com/logos/15819.png)
Electrocatalysis
CO2 Reduction
In situ/Operando Spectroscopy
Photoelectrochemistry
Electrochemical Engineering
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
73,123
![United States](/flags/us.png)
30,424
![](https://cdn.adscientificindex.com/logos/15819.png)
46
Benjamin Kroposki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,566
6,647
0.529
![](https://cdn.adscientificindex.com/logos/15819.png)
Power Engineering
Renewable Energy Integration
Power Systems
Microgrids