David Sherwin is a creative director and and interaction designer that has created or co-authored multiple books and toolkits that help people become better problem solvers and business thinkers. Currently, he is a Principal Designer at frog, a global innovation firm, and a Senior Lecturer at California College of the Arts in the BFA in Interaction Design program. In his free time, he mentors designer-led startups for The Designer Fund, as well as speaks and teaches internationally at many conferences and design schools. He lives in Oakland, California, with his wife, the poet and writer Mary Paynter Sherwin.