Volver a Blog Stephan de Hass 3 mayo, 2019 Stephan is Head of Ideation and Co-Creation in T-Systems, a multi-disciplinary team of consultants, architects, and designers. Together with enterprises, cities, districts, municipalities etc. Stephan’s team co-creates human centric innovations. One example is the Smart City Executive program in 2018 where over 40 cities worked together from idea to prototypes.