Colleen Lewis is a professor of computer science at Harvey Mudd College who specializes in computer science education. At UC Berkeley, Lewis completed a PhD in science and mathematics education, a MS in computer science, and BS in electrical engineering and computer science. Her research seeks to identify effective teaching practices for creating equitable learning spaces where all students have the opportunity to learn. Lewis curates CSTeachingTips.org, a NSF-sponsored project for disseminating effective computer science teaching practices.