Plan S was initiated by the Open Access Envoy of the European Commission and further developed by the President of Science Europe and by a group of Heads of national funding organisations. It also drew on substantial input from the Scientific Council of the European Research Council. Sep 04, 2018 It is one of the most important political commitments on science of recent times and puts Europe at the forefront of the global transition to open science. Today – with the launch of 'Plan S' and 'cOAlition S' – a coalition of national research funders, with the support of the European Commission - have committed to accelerate this.