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Cathy Williams

Cathy Williams is a passionate mathematics educator, author, and advocate for innovative teaching. With more than 18 years as a high school mathematics teacher and AVID coordinator, followed by a decade as a mathematics administrator in San Diego County, Cathy has dedicated her career to transforming how students and teachers engage with mathematics. As the co-founder and Executive Director of youcubed at Stanford University, Cathy has played a pivotal role in developing research-based curricula, coaching educators, and delivering professional development worldwide. Her work fosters mathematical mindsets, visual learning, and deep conceptual understanding. Cathy is an advisor to mathematics education technology startups and a widely recognized speaker.


Books