Since the early 1990s, Stefan Weiss has been an Internet entrepreneur and adviser. After funding and selling an Internet Service Provider, he started platforms like pizza.de and music.de. Recently, he worked in the areas of virtual worlds, social games and monetization. Since 2013, he has guided strategic topics around payment and banking for the Fidor Group of companies. At the moment, he is responsible for the API strategy of Fidor Bank, including the developer program.