This document outlines an agenda for a data visualization workshop. It discusses why visualizing data is important for exploring patterns, communicating results, and telling stories. Examples are given of historical visualizations that helped identify cholera outbreaks and military campaigns. The main steps for visualizing data are introduced: being clear on objectives, preparing the data, building visualizations using appropriate tools, and ensuring success. Global Burden of Disease visualizations are presented as examples for research settings. The document concludes with encouraging questions and further resources.