Trisia Farrelly is a senior lecturer in social anthropology and a co-director of the Political Ecology Research Centre at Massey University, Aotearoa New Zealand. She is co-founder of the New Zealand Product Stewardship Council and the Aotearoa Plastic Pollution Alliance. She has been a member of the United Nations Environment Programme’s Expert Group (Marine Litter and Microplastics) since 2017; and she was nominated to its associated Scientific Advisory Committee in 2019.