Gareth Johnstone is Senior Director of Aquatic Food Systems, CGIAR, and Director General at WorldFish. He holds a bachelor’s degree in zoology, Sheffield University, a master’s degree in environmental economics, London School of Economics and Political Science and a PhD, King’s College London on rights-based management. He is a member of the Royal Geographical Society (RGS) and the International Association for the Study of the Commons (IASC). A UK national, he is a geographer with 25 years of professional experience in natural resource management and research, with an emphasis on governance, policy, capacity building and institutional development. He is an advocate for cross-disciplinary, participatory research approaches in environment and development, and he specializes in integrated coastal management, ecosystem approaches to aquatic food systems, sustainable livelihoods, food security and co-management, particularly within small-scale fisheries and aquaculture. He has undertaken assignments in Africa (Sudan, Mozambique, Tanzania, Zambia, Namibia) Southeast Asia (Indonesia, Cambodia, Myanmar, Malaysia, Thailand), the Pacific (Solomon Islands, Papua New Guinea) and Australia. He joined WorldFish in 2011 as a scientist and went on to lead the CGIAR Research Program in Cambodia on Aquatic Agricultural Systems (AAS) and develop the Myanmar Country Program. As Director General, he led the development and implementation of WorldFish’s strategy Aquatic Foods for Healthy People and Planet, dedicated to expanding the role of aquatic foods in meeting the sustainable development agenda. As Senior Director of Aquatic Food Systems, he will shape the new frontiers of agricultural research by bridging food production systems in land and water.