Theresa Wills, PhD is an Assistant Professor of Mathematics Education Leadership at George Mason University. Theresa has taught synchronous online classes and webinars for ten years and researches teaching practices that are adaptable to the online environment. Prior to online teaching, they worked as a secondary math teacher, technology coach, and mathematics coach in grades K-8. Theresa uses this background in mathematics, coaching, and technology to teach rigorous, interactive, and engaging courses.