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)
![Nikolaus Franke](https://cdn.adscientificindex.com/pictures/07/1399174.jpg)
Innovation
entrepreneurship
user innovation
toolkits
crowdsourcing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,996
5,993
0.353
![Christopher Lettl](https://cdn.adscientificindex.com/pictures/b1/1406379.jpg)
Innovation
Entrepreneurship
Organization Design
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,561
2,899
0.442
![Hermann Frank](https://cdn.adscientificindex.com/pictures/2c/1399822.jpg)
Family Business
Entrepreneurship
SME Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,698
2,689
0.472
![Peter Keinz](https://cdn.adscientificindex.com/pictures/1e/1399171.jpg)
Open and User Innovation
Organizational Design
Knowledge and Technology Transfer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,499
1,157
0.463
* Last 6 Years Citation Counts Rankings
![Peter Vandor](https://cdn.adscientificindex.com/pictures/2b/4462030.jpg)
migrant entrepreneurship
social entrepreneurship
civil society
experiments
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
700
579
0.827
* Last 6 Years Citation Counts Rankings
![Reinhard Millner](https://cdn.adscientificindex.com/pictures/8c/1406385.jpg)
Social Entrepreneurship
Social Innovation
Impact Investing
Social Impact Bonds
Social Impact Measurement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
646
398
0.616
* Last 6 Years Citation Counts Rankings
![Klaus Marhold](https://cdn.adscientificindex.com/pictures/49/5286820.jpg)
Innovation
Entrepreneurship
Strategy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
302
277
0.917
* Last 6 Years Citation Counts Rankings
![Katie Hyslop](https://cdn.adscientificindex.com/pictures/b1/5286817.jpg)
Open Innovation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
233
0.876
* Last 6 Years Citation Counts Rankings
![Linn Kretzschmar](/user/assets/images/profile/no-profile-photo.png)
open innovation
crowdsourcing
ideation contests
innovation management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
Nikolaus Franke
Wirtschaftsuniversität Wien
Vienna, Austria
![Austria](/flags/at.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,996
5,993
0.353
Innovation
entrepreneurship
user innovation
toolkits
crowdsourcing
Christopher Lettl
Wirtschaftsuniversität Wien
Vienna, Austria
![Austria](/flags/at.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,561
2,899
0.442
Innovation
Entrepreneurship
Organization Design
Hermann Frank
Wirtschaftsuniversität Wien
Vienna, Austria
![Austria](/flags/at.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,698
2,689
0.472
Family Business
Entrepreneurship
SME Management
Peter Keinz
Wirtschaftsuniversität Wien
Vienna, Austria
![Austria](/flags/at.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,499
1,157
0.463
Open and User Innovation
Organizational Design
Knowledge and Technology Transfer
Peter Vandor
Wirtschaftsuniversität Wien
Vienna, Austria
![Austria](/flags/at.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
700
579
0.827
migrant entrepreneurship
social entrepreneurship
civil society
experiments
Reinhard Millner
Wirtschaftsuniversität Wien
Vienna, Austria
![Austria](/flags/at.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
646
398
0.616
Social Entrepreneurship
Social Innovation
Impact Investing
Social Impact Bonds
Social Impact Measurement
Klaus Marhold
Wirtschaftsuniversität Wien
Vienna, Austria
![Austria](/flags/at.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
302
277
0.917
Innovation
Entrepreneurship
Strategy
Katie Hyslop
Wirtschaftsuniversität Wien
Vienna, Austria
![Austria](/flags/at.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
233
0.876
Linn Kretzschmar
Wirtschaftsuniversität Wien
Vienna, Austria
![Austria](/flags/at.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
open innovation
crowdsourcing
ideation contests
innovation management