Sari Tolvanen is a marine biologist from Finland and has worked in the marine conservation sector for 17 years, building on extensive field experience as she moved from research to policy engagement in a leadership role with Greenpeace  International. For 10 years she played a key role in the organization’s science-led campaigns focused on combating illegal fishing, implementing marine reserves and improving the management of tuna fisheries in the Pacific and globally. Sari co-founded a consultancy group, Marine Change, in 2014 and relocated to Indonesia. She leads Marine Change’s work particularly to do with climate change and oceans, small-scale fisheries and MPAs. In 2019 Sari founded Ocean Eye, a fintech conservation platform that works with the tourism sector to bring incentives for coastal communities and stakeholders to partake in marine conservation.