Mr. Kevin Weil serves as a Head of Products at Instagram. He also serves as an Investor of BirdEye. Previously, he served as a Vice President, Revenue Product at Twitter. He serves as advisor at SignalFire. He and his team is responsible for developing and refining Twitter's monetization products. Previously, he led the company's analytics team. Prior to Twitter, Kevin was the first employee at web media startup Cooliris, working in user growth and advertising-focused analytics. He has also worked at municipal wireless network provider Tropos Networks and Microsoft Research and, in a past life, as a physics Ph.D. student at the Stanford Linear Accelerator Center. He graduated summa cum laude from Harvard University with a B.A. In Mathematics and Physics, and holds an M.S. in physics from Stanford.