Sjef van Erp is full Professor of Civil Law and European Private Law at Maastricht University. He is Vice-President of the European Law Institute (Vienna), Secretary-General of the International Association of Legal Science (Paris), member of the Board of Directors of the International Institute for Justice Excellence (The Hague), co-founder and Advisory Editor (until 2014: Editor-in-Chief) of the European Journal of Comparative Law and Governance (continuation of the Electronic Journal of Comparative Law), co-founder and Editor-in-Chief of the European Property law Journal, Editor-in-Chief of the Ius Commune casebook “Property Law”. He is titular member of the International Academy of Comparative Law. He is Deputy Justice at the Court of Appeals of ‘s-Hertogenbosch (the Netherlands), past President and Honorary Member of the Netherlands Comparative Law Association.