Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
121,482
Country Rank
36,788
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/11936.jpg)
![United States](/flags/us.png)
![Zhe George Zhang](https://cdn.adscientificindex.com/pictures/d7/836905.jpg)
Queueing Theory
Applied Probability
Stochastic Processes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
94
70
0.745
* Total i10 Index Rankings
World Rank
170,340
Country Rank
49,857
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/11936.jpg)
![United States](/flags/us.png)
![Xiaofeng Chen](/user/assets/images/profile/no-profile-photo.png)
Business Analytics
Information Security
Design Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
52
0.703
* Total i10 Index Rankings
World Rank
618,729
Country Rank
163,343
Institution Rank : 71
![](https://cdn.adscientificindex.com/logos/11936.jpg)
![United States](/flags/us.png)
![Thomas Roehl](https://cdn.adscientificindex.com/pictures/f3/838255.jpg)
Alliances
interfirm relationships
Japan
business groups
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
7
0.333
* Total i10 Index Rankings
World Rank
727,113
Country Rank
192,263
Institution Rank : 102
![](https://cdn.adscientificindex.com/logos/11936.jpg)
![United States](/flags/us.png)
![Patrick Gillham](https://cdn.adscientificindex.com/pictures/c5/838267.jpg)
policing
protest
law
social movements
political sociology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
* Total i10 Index Rankings
World Rank
1,010,317
Country Rank
261,577
Institution Rank : 149
![](https://cdn.adscientificindex.com/logos/11936.jpg)
![United States](/flags/us.png)
![Kristi Lewis Tyran](/pictures/f0/837054.jpg)
Leadership
Emotion
Organizational Behavior
Teams
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
* Total i10 Index Rankings
World Ranking
121,482
Country Ranking
36,788
Institution Ranking
7
Zhe George Zhang
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
94
70
0.745
![](https://cdn.adscientificindex.com/logos/11936.jpg)
Queueing Theory
Applied Probability
Stochastic Processes
* Total i10 Index Rankings
World Ranking
170,340
Country Ranking
49,857
Institution Ranking
11
Xiaofeng Chen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
52
0.703
![](https://cdn.adscientificindex.com/logos/11936.jpg)
Business Analytics
Information Security
Design Science
* Total i10 Index Rankings
World Ranking
618,729
Country Ranking
163,343
Institution Ranking
71
Thomas Roehl
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
7
0.333
![](https://cdn.adscientificindex.com/logos/11936.jpg)
Alliances
interfirm relationships
Japan
business groups
* Total i10 Index Rankings
World Ranking
727,113
Country Ranking
192,263
Institution Ranking
102
Patrick Gillham
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
![](https://cdn.adscientificindex.com/logos/11936.jpg)
policing
protest
law
social movements
political sociology
* Total i10 Index Rankings
World Ranking
1,010,317
Country Ranking
261,577
Institution Ranking
149
Kristi Lewis Tyran
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
![](https://cdn.adscientificindex.com/logos/11936.jpg)
Leadership
Emotion
Organizational Behavior
Teams