Dr. William Cheung is an Associate Professor and the Director (Science) of the Nippon Foundation-UBC Nereus Program at the for the Oceans and Fisheries, UBC. Dr. Cheung earned his PhD in Resource Management and Environmental Studies from UBC and an MPhil in Ecology and Biodiversity from the University of Hong Kong. His main research areas address the key challenges in understanding and predicting the responses of marine natural-human systems to global changes. The ultimate goal is to generate cutting-edge ideas and knowledge that advance policy discussions on the sustainability of future marine and coastal ecosystems and communities. His research ranges from global to local scale, with collaborations in many different parts of the world. Dr. Cheung is actively involved in international and regional initiatives that bridge science and policy. He serves as Lead Author in the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), as Coordinating Lead Author for the IPCC Special Report on Oceans and Cryosphere and in the Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES).