In Timor-Leste, WorldFish works with the government, development partners, communities, fishers, farmers and private enterprises to research and test effective approaches for increasing the sustainable production of aquatic foods and improving access to their nutrients for those who need them most. This document provides a comprehensive overview of WorldFish's activities, contributions, and impact in Timor-Leste, focusing on sustainable aquaculture and fisheries development to address food security, nutrition, and livelihoods.