Kevin Weil is the Head of Product at Instagram, overseeing consumer and monetization products. Prior to Instagram, Kevin was the SVP of Product at Twitter, overseeing product development and design across Twitter's consumer and ad products, as well as Vine and Periscope. Between 2010 and 2014, he led product development for Twitter's advertising platform, as well as the development of Fabric. Before joining Twitter in 2009, he was the first employee at web media startup Cooliris, working in user growth and analytics. He also worked worked at municipal wireless network provider Tropos Networks, Microsoft Research, and in a past life as a Physics Ph.D. Student, at the Stanford Linear Accelerator Center. Kevin graduated summa cum laude from Harvard University with a B.A. In Mathematics and Physics, and holds an M.S. in physics from Stanford