"Flee" is the Head of Information Security at Square. He has a history of solving security problems for a range of organizations all the way from large enterprises (Bank of America) to small startups (Twillio). He's experienced in building and leading global security teams and specializes in application security. He's passionate about all things security, but finds time to indulge in other hobbies including road cycling, mountain biking, rock climbing, snowboarding, backpacking, and photography.