Ingrid J. Visseren-Hamakers serves as Professor and Chair of the Environmental Governance and Politics (EGP) group at Radboud University, Netherlands, and specializes in transformative global environmental governance. She aims to contribute to both academic and societal debates on how societies and economies can become sustainable. Her research focuses on governing the relationships between animal interests, biodiversity and food, among others. Marcel T. J. Kok is Programme Leader of the International Biodiversity Policy group at PBL Netherlands Environmental Assessment Agency. His research concentrates on global environmental governance and scenario analysis of global environmental problems, with a focus on biodiversity. He specializes in bottom-up governance approaches.