Desperately Seeking Theory: Gamification, Design, Data, Machine Learning, and the Promise of Double Loop Learning Systems Sebastian Deterding Digital Creativity Labs University of York sebastian@codingconduct.cc Biography Sebastian Deterding is a designer and researcher work- ing on playful and motivational design for human flour- ishing. He is a senior research fellow at the Digital Cre- ativity Labs at the University of York, and a founder and principal designer of the design agency coding conduct. He has created engaging experiences touch- ing millions of users for clients including the BBC, BMW, Deutsche Telekom, and KLM. He has keynoted and presented at venues including Lift, GDC, Games Learning Society, Google, IDEO, Playful, and Web Di- rections. He is founder of the Gamification Research Network, and co-editor of “The Gameful World” (MIT Press, 2015). He lives online at codingconduct.cc. Copyright c by the paper’s authors. Copying permitted for private and academic purposes. In: F. Hopfgartner, G. Kazai, U. Kruschwitz, and M. Meder (eds.): Proceedings of the GamifIR 2016 Workshop, Pisa, Italy, 21-July-2016, published at http://ceur-ws.org