Cas Holman is the founder and chief designer of the toy company Heroes Will Rise and a former professor of Industrial Design at RISD. Cas travels the globe speaking about playful learning, the design process, and the value of play in all aspects of life. She has shared her perspective in workshops and seminars with teams at Google, Nike, LEGO Foundation, Disney Imagineering, and art museums around the world. Some of her designs include toys like Rigamajig and Geemo, as well as play experiences at the High Line and the Liberty Science Center. Playful: How Play Shifts Our Thinking, Inspires Connection, and Sparks Creativity by Cas Holman with Lydia Denworth will come out on October 21, 2025. Cas lives in Brooklyn and designs from her studio in the Catskills, New York.