1_ Prof. Tumis's speech at the Hidden Champions Summit in China Taicang on November 9th, 2017.
2_ Prof. Tumis's speech at the launching ceremony of Hermann Simon Business School in China Weifang on November 11th, 2017.
3_Prof. Tumis and Prof. Simon at the Hidden Champions Summit in Vietnam Hanoi on January 30th, 2018.
4_Prof. Tumis and Prof. Simon at the Hidden Champions Summit in Vietnam Hanoi on January 30th, 2018.
5_Prof. Tumis's Speech at the Hidden Champions Summit in China Qingdao in German Language on November 1st, 2019.
6_Prof. Tumis's Speech at the Hidden Champions Summit in China Chengdu in German Language on October 28th, 2019.
7_Prof. Tumis's Speech at the Hidden Champions Summit in China Qingdao in German Language on November 1st, 2019.
8_Prof. Tumis's Speech at the Hidden Champions Summit in China Qing Hua University Beijing in German Language on November 4th, 2019.
9_Prof. Tumis's Speech at the Hidden Champions Summit in China Qing Hua University Beijing in German Language on November 4th, 2019.
10_Prof. Tumis's Speech at the Hidden Champions Summit in China Qing Hua University Beijing in German Language on November 4th, 2019.
11_Prof. Tumis' Speech at the Hidden Champions Summit in China Qing Hua University Beijing in German Language on November 4th, 2019.
12_Prof. Tumis' lecture Hidden Champions at Qing Hua University Beijing Executive MBA 16.12.2019.
13_Prof. Tumis' lecture about Hidden Champions at Qing Hua University Beijing for the Executive MBA on December 16th, 2019.
14_Prof. Tumis' lecture about Hidden Champions at Qing Hua University Beijing for the Executive MBA on December 16th, 2019.
28_Prof. Tumis likes to Dance Argentinian Tango Milonga since 2016.
