This poster focusses on the process of data policy development and implementation at the University of Twente and how these changes influence the content and structure of the research data management course. The University Library is active in this field for almost eight years and plays a crucial role in this whole process. Data management and data policy at universities in the Netherlands became an issue of growing importance starting from 2012. In 2013 the Executive Board of the University asked the Library to write a data policy. Based on interviews with 15 professors from faculties and research institutes a first version has been written. To create awareness and commitment for research data policy, the Rector of the University, supported by experts from the University Library, used this concept data policy in discussion meetings with faculty professors. A second version of the university data policy was accepted by the Executive Board in July 2015. Shortly after this the Strategic Council, consisting of ...