Alexander Rust studied law with a specialization in Tax Law in Freiburg (Breisgau), Geneva, Munich and New York. During his Referendariat (legal traineeship) he worked as an assistant judge and as a public prosecutor at the High Court of Munich, as a law clerk at the Ministry of Finance and as a tax advisor in private practice. In 2001, he was appointed assistant professor at the University of Munich, during the academic year 2008-2009 he worked as acting assistant professor at New York University. In 2010, he was nominated ordinary professor for Tax Law at the University of Luxembourg and director of the master program in European and International Tax Law. Since 2014 he has been working as ordinary professor of tax law at Vienna University of Economics and Business. His PhD thesis was awarded the European Academic Tax Thesis Award of the European Commission and of the European Association of Tax Law Professors. Professor Rust is a frequent lecturer on tax treaty and European Tax Law issues at universities all around the world.