Cheryl Platz is an internationally renowned interaction designer, writer, public speaker, teacher, and actress based in the Los Angeles area. Her first book Design Beyond Devices is available via Rosenfeld Media and most online booksellers in print and digital formats. For excerpts, podcasts, and downloads, see the book resource page (


As a world-class interaction designer, Cheryl's professional passions include natural user interfaces, design for scale and complexity, system design, and storytelling for product design.

She is best known for her work on cutting-edge products including Amazon's Alexa, the Echo Look, Cortana, Windows Automotive, Disney's PhotoPass, the Sims series of games, and Microsoft's Azure platform. Cheryl is also author of the groundbreaking design book Design Beyond Devices: Creating Multimodal, Cross-Device Experiences. During the day, Cheryl is Director of User Experience for the Player Platform at Riot Games.


Cheryl is founder and owner of Ideaplatz, LLC, a design education company through which she offers her well-received interaction design talks and workshops at major conferences and companies around the world.

Recent highlights include Interaction 18, Amuse UX 2018, UX London 2018, DesignOps Summit 2018, UX Scotland 2019, and Design Matters 17.

Her experience in the performing arts makes Ms. Platz a uniquely engaging speaker. She is also an experienced improvisational theater teacher as part of the Unexpected Productions improv school faculty.


A veteran film, video, stage, and voice-over actress, Cheryl is best known for co-starring in multiple Twitch television shows representing hundreds of hours of live broadcast performances on Hyper RPG, GeekSpaceTV and her own Twitch channel.

Cheryl performs live improv professionally in Seattle as a 10-year member of the Unexpected Productions ensemble, and is also well-known for her many appearances with Seattle Experimental Theater.

To contact Cheryl regarding professional inquiries, public speaking opportunities, or performance opportunities, reach out on LinkedIn or email.