John Park (B.A in Rhetoric, UC Berkeley) has been presenting school assemblies for over two decades. He was inspired speak on the topic of perseverance because it's the attribute he required in order to practice and perfect the juggling skills needed to become a professional juggler. He's been earning money since the age of 14 and in fact paid his way through UC Berkely with proceeds from passing the hat at San Francisco's Fisherman's Wharf. Upon graduating Park continued his juggling career performing all over the world including Saudi Arabia, Japan, England, Australia, Hong Kong, and Germany.  You can check out Park's juggling website at platespinning.com