Cheryl Platz is the author of the new book "Design Beyond Devices, creating multimodal cross-device experiences" published by Rosenfeld. Platz is currently the principal UX designer for the Bill and Melinda Gates Foundation. She was on the core team that launched the Echo Look which was Amazon's attempt to inject Alexa into fashion selection. That was preceded by time working on Microsoft's Cortana voice assistant. She began her career as a game producer at EA and Griptonite. Platz is also a cast member and instructor for Unexpected Productions Seattle, an improv comedy troupe and earned a degree in computer science with a focus on human-computer interaction from Carnegie-Mellon University.