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
163,536
Country Rank
1,064
Institution Rank : 24
![](https://cdn.adscientificindex.com/logos/11410.png)
![Norway](/flags/no.png)
![Kjell Hausken](https://cdn.adscientificindex.com/pictures/7b/1287178.jpg)
Game Theory
Operations Research
Risk Analysis
Political Economy
Homeland Security
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,145
2,707
0.441
* Total Citation Counts Rankings
World Rank
350,913
Country Rank
2,440
Institution Rank : 60
![](https://cdn.adscientificindex.com/logos/11410.png)
![Norway](/flags/no.png)
![Reidar Bratvold](https://cdn.adscientificindex.com/pictures/ae/1148823.jpg)
Decisions and data analytics
real options
behavioral challenges in decision making
Bayesian data analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,637
1,324
0.502
* Total Citation Counts Rankings
World Rank
411,028
Country Rank
2,884
Institution Rank : 72
![](https://cdn.adscientificindex.com/logos/11410.png)
![Norway](/flags/no.png)
![Espen Olsen](https://cdn.adscientificindex.com/pictures/a3/1251259.jpg)
Organizational psychology
Leadership
Safety and health
Change management
Psychometrics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,142
1,356
0.633
* Total Citation Counts Rankings
World Rank
679,807
Country Rank
4,672
Institution Rank : 123
![](https://cdn.adscientificindex.com/logos/11410.png)
![Norway](/flags/no.png)
![Jan Frick](https://cdn.adscientificindex.com/pictures/1e/1131467.jpg)
entrepreneurship
operations
management
modelling of business processes
lean
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
971
245
0.252
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
163,536
![Norway](/flags/no.png)
1,064
![](https://cdn.adscientificindex.com/logos/11410.png)
24
Kjell Hausken
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,145
2,707
0.441
![](https://cdn.adscientificindex.com/logos/11410.png)
Game Theory
Operations Research
Risk Analysis
Political Economy
Homeland Security
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
350,913
![Norway](/flags/no.png)
2,440
![](https://cdn.adscientificindex.com/logos/11410.png)
60
Reidar Bratvold
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,637
1,324
0.502
![](https://cdn.adscientificindex.com/logos/11410.png)
Decisions and data analytics
real options
behavioral challenges in decision making
Bayesian data analysis
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
411,028
![Norway](/flags/no.png)
2,884
![](https://cdn.adscientificindex.com/logos/11410.png)
72
Espen Olsen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,142
1,356
0.633
![](https://cdn.adscientificindex.com/logos/11410.png)
Organizational psychology
Leadership
Safety and health
Change management
Psychometrics
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
679,807
![Norway](/flags/no.png)
4,672
![](https://cdn.adscientificindex.com/logos/11410.png)
123
Jan Frick
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
971
245
0.252
![](https://cdn.adscientificindex.com/logos/11410.png)
entrepreneurship
operations
management
modelling of business processes
lean