Andrew Chen is one of Silicon Valley's thought leaders on growth, mobile, and startups in general. His essays on these topics have been featured in New York Times, Wired, and the Wall Street Journal (among many others). Andrew is now working on growth at Uber. In this discussion, Tim Chang, Managing Director of the Mayfield Fund, interviews Andrew about how he thinks about growth, what he has learned from trying different tactics, and how to evaluate the success of growth initiatives.