Weiyin He is CTO and Co-founder at Appetize.io, where he leads the effort to build out the fastest and most versatile mobile emulators and simulators to run in the browser. In 2014 Weiyin co-founded Appetize.io together with John Snyder after building a mobile app builder and discovering the need for running mobile emulators in the browser. Since then, Appetize has become a household name for mobile engineering teams around the world to quickly preview and share their mobile apps.