David Demble, Mali, is editor-in-chief at Depeches du Mali/L'Investigateur. He has worked on ICIJ's investigations Panama Papers, Swiss Leaks, Fatal Extraction, Offshore Leaks. Demble graduated from journalism school in Lille, France, and has worked as an investigative reporter in Mali with Depeches du Mali and L’Investigateur. He is a member of the Norbert Zongo Center for Investigative Journalism in the Sahel (CENOZO) and reporters on transnational topics such as tax evasion, illicit finance and terrorism. To cultivate investigative journalism in Mali, Demble created the Malian Network of Journalists Investigation (RMJI), which is composed of a dozen journalists from the Malian press. Increasingly, Demble works in data journalism to use and extract public data from computerized and secure databases.