Crystal Kirch is currently the Secondary Math TOSA for Tustin Unified School District in Tustin, CA. Previously, she served as a Digital Learning Coach for three years and a high school math teacher for seven years. She holds a BS in Kinesiology and an MA in Education with a focus in Curriculum and Instruction. Crystal flipped her high school math courses from 2011-2014, blogging her journey at flippingwithkirch.blogspot.com. She is the author of Flipping with Kirch: The Ups and Downs from Inside my Flipped Classroom (2016), and a contributing author to Flipped Learning: Gateway to Student Engagement (Bergmann & Sams, 2014). Crystal speaks at conferences around the US, training teachers on best practices, strategies, and structures for effective flipped learning.