at Mercure Hotel MOA on 23 Sep 2019 – 27 Sep 2019

at Maritim Hotel & International Congres Center Dresden on 20 Sep 2018 – 22 Sep 2018

at Phantasialand 2018, Berggeiststraße 31-41, 50321 Brühl on 1 May 2018 – 4 May 2018

at CHECK24 on 17 Jan 2018

at Grand Hotel Italia on 15 Nov 2017 – 18 Nov 2017

at Silberturm on 22 Oct 2017

at Park Plaza Westminster Bridge Hotel on 21 Sep 2017

at Hochschule Bonn-Rhein-Sieg on 18 Aug 2017 – 20 Aug 2017

at Hochschule Bonn-Rhein-Sieg on 18 Aug 2017 – 20 Aug 2017

at Feed Dynamix on 31 May 2017

at Symfony UG Frankfurt on 24 Apr 2017

at Mercure Hotel MOA Berlin on 30 Nov 2016 – 3 Dec 2016

at trio-interactive it services gmbh on 26 Oct 2016

at Komed on 26 Apr 2016 – 29 Apr 2016

at Feed Dynamix GmbH on 20 Apr 2016

at sitewards on 23 Mar 2016

at Feed Dynamix GmbH on 24 Feb 2016

at Solvians IT-Solutions GmbH on 20 Jan 2016

at Golden Tulip on 28 Oct 2014 – 31 Oct 2014