CHRIS OESTEREICH is the publisher of the Wicked Problems Collaborative, an independent press that focuses on humanity’s biggest challenges. He formerly led zero waste programmes in the grocery industry and he now helps communities and organisations shift towards the circular economy via his firm, Linear to Circular. He is currently developing Morph Bags, a brand that will work directly with informal workers to upcycle waste materials into high-quality, useful products like totes, handbags and cases. Chris is a co-founder of the Circular Design Lab, an effort that teaches design and systems thinking to community members who want to foster positive change to systems challenges. He is also a lecturer and former faculty member in the social enterprise programme at Thammasat University’s School of Global Studies, where he teaches courses on social innovation and advocacy.