Aart Roelofsen (born 1957) is a senior international tax policy advisor at the Netherlands Ministry of Finance. He holds a degree in rural sociology from the University of Wageningen and started working with the Netherlands tax authorities as an alternative for military service in 1985. He graduated in fiscal law at the University of Amsterdam and was a tax inspector for the Netherlands Tax and Customs Administration (NTCA) in Amsterdam until 2000, when he moved to the Ministry of Finance in Den Haag. From 2000 to 2007 he was a policy advisor at the Directorate General for the NTCA, specialized in corporate tax law. In 2007 he continued his career at the International Tax Policy and Legislation Directorate. He is a delegate for the Netherlands to, and co- vice-chair of, OECD’s WP1, to the Forum on Harmful Tax Practices and to the annual meeting of the UN Tax Expert Group. He was member of several negotiating teams for bilateral tax treaties. Finally, he is one of the BEPS-coordinators in the Ministry of Finance and from that angle, involved in discussions on the Anti-Tax Avoidance Package of the EC.