Stefan Kaliner has held several positions at Deutsche Telekom in Germany. In his current role as Head of UICC Development he is responsible for the constant evolution of SIM and related infrastructure for the international Deutsche Telekom Group. This spans multiple lead-responsibilities for SIM, eSIM and iSIM projects as well as active international standardization at 3GPP, ETSI and the GSMA. He is also heading the nuSIM program, Deutsche Telekom’s open solution of an integrated SIM for IoT. Stefan has received several innovation awards and holds a master’s degree in Electrical Engineering from University of Dortmund, Germany.