Global Fishing Watch (GFW) is an international, nonprofit organization advancing transparency of human activity at sea to improve the management of our ocean. We do research, develop technology, and publicly share data about human activities and associated impact to enable a fair and sustainable use of our ocean. Founded in 2015 through a collaboration between Oceana, SkyTruth, and Google, GFW became an independent organization in June 2017. Using machine learning, cloud computing and satellite data, we have produced the first global mapping of industrial fishing and energy development across the ocean. By 2030, we aim to map the activity of most ocean-going vessels and offshore infrastructure, all the way from small-scale and industrial fishing to transport and energy activities. We belie