Collaborations are key in achieving scientific progress. The European Horizon COST Actions provide great opportunities to build, grant, and/or participate in pan-European collaborations in multidisciplinary topics, including liver diseases.This EASL Studio:Provides you with information about the COST Action programme.Discusses the structure of the drug-induced liver injury (DILI) and cholangiocarcinoma (CCA) working groups.Highlights the potential for collaborative work within this programme.FacultyProf. Jesús Bañales (Moderator)Prof. Raul Andrade (Faculty)Dr Chiara Braconi (Faculty)Prof. Vincenzo Cardinale (Faculty)Related episodesS4E13: EASL-EF CLIF and EU Grants: Exploring novel mechanisms and treatment of chronic liver failureS4E2: YI Choice: How to build consortia and registriesAll EASL Studio Podcasts are available on EASL Campus.