Marcel Ras is Head of the e-Depot Department of the national library of The Netherlands (KB). He received his M.A. degree from Nijmegen University in the fields of Ancient History and Archaeology in 1992. After some of years of Archaeological field survey in different countries, he joined the Post-Graduate training on Historical Information processing at Leiden University as Head and teacher of the training school. From 1999 to 2005 he worked as a consultant for the Digital Heritage Association and was involved in many digitization- and standardisation projects in The Netherlands. As of 2005 Marcel works for the national library of the Netherlands, first as project manager Web Archiving, and since 2007 as manager of the e-Depot department. Marcel is still involved in training and teaching at Leiden University in the field of digitization and digital preservation.