Sheryl Cababa is the author of Closing the Loop: Systems Thinking for Designers. She's a design researcher and strategist, and is the Chief Strategy Officer at Substantial, an education-focused research and insights studio based in Seattle. Her practice is focused on systems thinking and equity-centred design, and she's worked with a diverse base of clients including the Gates Foundation, Microsoft, IKEA, and Khan Academy. Her focus is on using design to help clients reimagine education.