Dr. Kathy Perkins directs PhET Interactive Simulations at University of Colorado Boulder, and is a faculty member in the Department of Physics’ Physics Education Research Group. Her work focuses on advancing the design and classroom use of interactive simulations to increase engagement, learning and equity in STEM education, and on strategies for scaling impact globally. She is a Fellow of the American Physical Society and of the International Society for Design and Development in Education, and has authored over 60 articles on STEM education. Under her leadership, PhET’s team has expanded to new content areas, grown usage to over 250 million sim uses/year worldwide, partnered with dozens of ed tech companies to bring high-quality simulations to their products, and received international recognition, including being named a 2017 WISE Awards Winner and a 2011 Tech Award Laureate. In 2021, with support from the Yidan Prize Foundation, her team launched PhET Global, deepening PhET’s work to make effective science and math education accessible to all.