Nicole Lazzaro is a world-renowned game researcher, designer, and speaker who makes games more fun. She discovered the Four Keys to Fun in 2004, a model used by hundreds of thousands of game developers worldwide. She used this model to design the iPhone's first accelerometer game in 2007, now called Tilt World. For 20 years she has helped clients such as Sony, EA, and Disney increase engagement. She is one of the 100 most influential women in high tech, top 20 women working in video games and gamification. She has advised the White House and the US State Department on the use of games to unlock human potential to improve our world.