Marc has been an Android developer for over three years - including work for major German publisher Süddeutsche Zeitung and for Facebook's Android Messenger team in Menlo Park. He is currently based in Berlin, working on the Wire messenger app and doing his Masters in Computer Science at the Technical University of Berlin. Marc has a Bachelor in Business Computer Science and in Mathematics. He previously spoke at the Droidcon Berlin 2015:http://droidcon.de/users/marc-prengemann