He was a reporter abroad from 2014 to 2016, in Ukraine and Turkey. He investigated Tunisian, Egyptian and Russian ill-gotten gains in the European Union from 2018 to 2023 (Jeune Afrique, EIC, Mediapart, Daraj and Inkyfada). He has won various grants as team leader for various cross-border investigative projects (Pultizer Center, Journalism Fund Europe, IJ4EU). He has been director of EIF, an international environmental investigation consortium, since 2020 and manager of the "Investigate" projects of the German NGO CiFAR.