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
565,943
Country Rank
173,996
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/3773.png)
![United States](/flags/us.png)
![Martin Rice](https://cdn.adscientificindex.com/pictures/96/5276326.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,333
429
0.322
* Total Citation Counts Rankings
World Rank
746,516
Country Rank
219,181
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/3773.png)
![United States](/flags/us.png)
![Joshua S Ostrander](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
804
714
0.888
* Total Citation Counts Rankings
World Rank
874,125
Country Rank
247,619
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/3773.png)
![United States](/flags/us.png)
![Jerry Pattengale](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
551
183
0.332
* Total Citation Counts Rankings
World Rank
1,113,927
Country Rank
290,353
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/3773.png)
![United States](/flags/us.png)
![LaVerne Ludden](/pictures/2b/4361046.jpg)
Wisdom
leadership
decision making
executive coaching
career development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
241
107
0.444
* Total Citation Counts Rankings
World Rank
1,180,324
Country Rank
300,305
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/3773.png)
![United States](/flags/us.png)
![Kayla Randall](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
194
193
0.995
* Total Citation Counts Rankings
World Rank
1,470,080
Country Rank
343,291
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/3773.png)
![United States](/flags/us.png)
![Shirlene Newbanks](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82
57
0.695
* Total Citation Counts Rankings
World Rank
1,481,289
Country Rank
345,058
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/3773.png)
![United States](/flags/us.png)
![Levi Huffman](/pictures/9a/4707447.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79
74
0.937
* Total Citation Counts Rankings
World Rank
1,552,169
Country Rank
355,430
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/3773.png)
![United States](/flags/us.png)
![David L Riggs](/pictures/2e/4706800.jpg)
late antiquity
paganism
patristics
Roman Africa
Vandal Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
29
0.453
* Total Citation Counts Rankings
World Rank
1,618,102
Country Rank
364,878
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/3773.png)
![United States](/flags/us.png)
![Steven R Pollock, Asq Fellow, Pmp, Acp](/pictures/e5/4708286.jpg)
Continuous Improvement
Six Sigma
Change Management
Internal Consulting
Teambuilding
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52
11
0.212
* Total Citation Counts Rankings
World Rank
1,704,593
Country Rank
376,823
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/3773.png)
![United States](/flags/us.png)
![Reuben Rubio](/pictures/27/4800947.jpg)
science education
high-leverage pedagogy and content
education technology
education research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39
3
0.077
* Total Citation Counts Rankings
World Rank
1,727,848
Country Rank
379,963
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/3773.png)
![United States](/flags/us.png)
![Sarah Hamsher](/pictures/a1/4800950.jpg)
affective domain of learning
literacy
assessment
students with learning disabilities
online learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35
35
1.000
* Total Citation Counts Rankings
World Ranking
565,943
Country Ranking
173,996
Institution Ranking
2
Martin Rice
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,333
429
0.322
* Total Citation Counts Rankings
World Ranking
746,516
Country Ranking
219,181
Institution Ranking
3
Joshua S Ostrander
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
804
714
0.888
* Total Citation Counts Rankings
World Ranking
874,125
Country Ranking
247,619
Institution Ranking
4
Jerry Pattengale
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
551
183
0.332
* Total Citation Counts Rankings
World Ranking
1,113,927
Country Ranking
290,353
Institution Ranking
6
LaVerne Ludden
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
241
107
0.444
![](https://cdn.adscientificindex.com/logos/3773.png)
Wisdom
leadership
decision making
executive coaching
career development
* Total Citation Counts Rankings
World Ranking
1,180,324
Country Ranking
300,305
Institution Ranking
7
Kayla Randall
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
194
193
0.995
* Total Citation Counts Rankings
World Ranking
1,470,080
Country Ranking
343,291
Institution Ranking
8
Shirlene Newbanks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82
57
0.695
* Total Citation Counts Rankings
World Ranking
1,481,289
Country Ranking
345,058
Institution Ranking
9
Levi Huffman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79
74
0.937
* Total Citation Counts Rankings
World Ranking
1,552,169
Country Ranking
355,430
Institution Ranking
11
David L Riggs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
29
0.453
* Total Citation Counts Rankings
World Ranking
1,618,102
Country Ranking
364,878
Institution Ranking
12
Steven R Pollock, Asq Fellow, Pmp, Acp
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52
11
0.212
![](https://cdn.adscientificindex.com/logos/3773.png)
Continuous Improvement
Six Sigma
Change Management
Internal Consulting
Teambuilding
* Total Citation Counts Rankings
World Ranking
1,704,593
Country Ranking
376,823
Institution Ranking
14
Reuben Rubio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39
3
0.077
![](https://cdn.adscientificindex.com/logos/3773.png)
science education
high-leverage pedagogy and content
education technology
education research
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* Total Citation Counts Rankings
World Ranking
1,727,848
Country Ranking
379,963
Institution Ranking
15
Sarah Hamsher
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35
35
1.000
![](https://cdn.adscientificindex.com/logos/3773.png)
affective domain of learning
literacy
assessment
students with learning disabilities
online learning