Jan Kroon received a PhD in computer science from Bern University in Switzerland. He worked for KPN Research, the European Telecommunications Standard Institute, Planet Internet, KPN Hotspots, and KPN Business Market. In 2010 he started his own company Real Thinks – an App Studio. Two successful apps published by Real Thinks are ‘FigureRunning’, a free fun run app, that is downloaded more than a million times in more than 120 countries, and ‘Oefen App Hersenletsel’ an app that helps people to rehabilitate after a stroke. Oefen App is one of the best selling medical apps in the Netherlands. Since 2014 Jan Kroon also teaches Computer Science and Software Engineering at Hogeschool Rotterdam.