John Doerr is an engineer, venture capitalist, the chairman of Kleiner Perkins, and the author of the best-selling Measure What Matters. He was an original investor and board member at Google and Amazon, helping to create more than half a million jobs. A pioneer of Silicon Valley’s clean tech movement, Doerr has invested in zero emission technologies since 2006. He's passionate about encouraging leaders to reimagine the future, from transforming healthcare to advancing applications of machine learning. Outside Kleiner Perkins, Doerr works with social entrepreneurs who are tackling systemic issues across climate, public health, and education.