Heike Vesper is a marine biologist and has been involved in ocean conservation at WWF for almost 25 years, since 2011 as head of the WWF International Centre for Marine Conservation. She is responsible for the strategy of the Oceans Program, focusing on international ocean policy, conservation of important marine habitats, sustainable fisheries, and plastic waste reduction for healthy oceans. She and her 25-member team work at national, EU and international policy levels and are directly involved in marine conservation, fisheries and plastic reduction projects in more than 15 countries. Heike Vesper has been a member of the German Decade Committee for the UN Decade of Marine Research for Sustainable Development since October 2020.

Ina Dietzsch is Professor of European Ethnology/Cultural Studies at the Philipps-Universität Marburg. Her work focuses on knowledge anthropology, public science, digitalization, and nature(s)-culture(s) relations with a special emphasis on water. She studied at Humboldt University and received her PhD in 2000 on personal correspondence during the German division. For many years, Ina Dietzsch has worked in an interdisciplinary way, using feminist theory as well as multimodal and collaborative methods. At the University of Basel, she habilitated on the anthropology of publics in 2015 and has since worked on research projects on digital agriculture in Switzerland and on the participatory nature of images in urban development processes.