Stephan is co-founder and CTO of 4tiitoo GmbH based in Munich and its subsidiary NUIA, Inc. in San Francisco. Stephan is responsible for the overall long-term technical direction and product management of the NUIA product line. He leads the design of NUIA’s service and development of its core technology and infrastructure. Previously in 2004, he co-founded 4wd media, a software startup focusing On content management and individual processes solutions. He was responsible for product strategy as well as customer and business relationships. Stephan studied architecture at the Technical University of Darmstadt, Germany and received his diploma with distinction in 2006.