She is the director of the Data Concentration Program at the Journalism School at Columbia University. Segnini has been an active ICIJ member since 2007 and member of its board of advisers since 2015. She is also a member of Investigative Reporters and Editors (IRE), the Global Investigative Journalism Network (GIJN), Global Editors Network (GEN), Instituto de Prensa y Sociedad (IPYS) and the Gabriel García Márquez Foundation. Until February 2014, Segnini headed a team of journalists and computer engineers at Costa Rican newspaper La Nacion. The team was fully dedicated to unfold investigative stories by gathering, analyzing and visualizing public databases. Her team processed the data and developed the interactive application for the 2013 OffshoreLeaks database. She also participated in ICIJ’s Panama Papers project.