Stefan Graunke is a co-founder of the Internet of Things startup ubirch GmbH.After internships covering graphic design, 3D animation and video production, Stefan studied communication research at the University of Bonn. Since 1989 he designed, implemented and operated graphics systems and games for TV shows and developed data driven realtime graphics for news and sports broadcasts.His main topics with ubirch are IoT sensors, secure communication, blockchain and LoRa connectivity.Stefan was born in 1967 in Cologne, Germany and still lives there with his wife.