The Occupy Wall St. movement started off slowly in September of 2011. After a few short weeks, however, it appeared to be everywhere. This movement, which seemed to come out of nothing before spreading across the planet, has a great deal to offer the careful observer. By looking at the history of the Occupy Wall St. movement and its emergence out of a chaotic and complex environment, it will become apparent that there is much we can learn from complexity science that can be applied to this movement. Additionally, we will see that these lessons also have important implications in leadership.