Basma Makhlouf-Shabou, Co-Director of the Data Life-Cycle Management 2 (DLCM2) project, mandated by swissuniversities, will introduce the event, its theme, its schedule and its inclusion in the project itself. Patrick Furrer, Coordinator of the Open Science Programme 2021-2024, will promote the Open Access Call for proposals and inform about the planning for the national Open Research Data Strategy and Action Plan. This introduction talk will position the existing P5 projects in the context of this future phase of the Open Science Programme. During this introductory ceremony, OLOS will also be presented and launched by Pierre-Yves Burgi, DLCM Project Director.