Cas Holman is an American designer whose work focuses on the relationship between play, learning, and creativity. She studied at the University of California, Santa Cruz, where she earned a BFA, and later received an MFA in 3D Design from Cranbrook Academy of Art. Holman is a Professor of Industrial Design at the Rhode Island School of Design, where she teaches courses centered on play and design. Her practice explores how open-ended objects can support creative thinking and collaborative interaction, particularly in educational and public settings.