Gabe Zichermann is an author, public speaker, serial entrepreneur, and the foremost expert on the subject of gamification. His book, Game-Based Marketing (Wiley, 4/2010) has achieved critical and industry acclaim for its detailed look at innovators who blend the power of games with brand strategy. Zichermann is also the author of the Gamification Blog at http://gamification.co and chair of the Gamification Summit and Workshops.