This poster was presented at the ISMB2021 Conference (25-30 July 2021). In the context of the Dutch National Programme Open Science, we have executed a project related to professionalising data stewardship, aiming to provide arguments and recommendations to ensure adequate data steward capacity in the Netherlands. It was a collaborative effort of over 30 representatives of universities, university medical centres, universities of applied sciences, service providers, and representatives of the major Dutch umbrella organisations. We performed a analysis of the data stewardship training and education landscape, based on case studies, we established the components of a job profile for data stewards (and research software engineers), we did an inventory of data-related trainings, including a pilot annotation of courses based on our data stewardship competency framework (https://doi.org/10.5281/zenodo.3471707), and we made a design for a data steward skills tool with navigation pathways. In February 2021 the end ...