Andrew Chen works at Uber, where leads the Rider Growth teams. He writes about mobile, metrics, and growth at http://andrewchen.co. He is an advisor/investor for tech startups includingAngelList, Barkbox, Dropbox, Grovo, Kiva, Product Hunt, Qualaroo, Wanelo, and ZenPayroll. Previously, he was an Entrepreneur-in-Residence at Mohr Davidow Ventures, a Silicon Valley-based firm with $2B under management. Prior to MDV, Andrew was director of product marketing at Audience Science, where he started up the ad network business that today reaches over 380 million uniques. He holds a B.S. in Applied Mathematics from the University of Washington.