Stephen is most recognized as the man behind the Mental Notes card deck—a tool that's widely used by product teams to apply psychology to interaction design. He also authored Seductive Interaction Design, which answers the question: "How do we get people to fall in love with our applications?” Between public speaking and project work, Stephen loves to challenge and inspire teams through onsite training; he’s presented at some of the world’s largest organizations, teaching product teams about games, play, learning, interactive visualizations, and other fun topics.