About Keith Christensen Keith Christensen is K-12 educator known for innovative and inventive educational practice. He is widely recognized as a leader, mentor and primary professional development resource in design thinking and innovation in education. Books by Keith Christensen Collaborative Creativity Idea Book for Educators Activities, Tactics and Strategies for Building a Collaborative Culture of Creativity by (author) Robert Kelly, Stephanie Bartlett, Keith Christensen, Erin Quinn & Carla-Jayne Samuelson