Alastair MacIver is an Adjunct Professor at the Brussels School of Governance, Vrije Universiteit Brussel. He teaches an EU Law of the Internal Market course at BA level. In addition to his teaching duties, he works in the Sustainable Growth and Business Environment Unit at the Directorate-General Structural Reform Support (DG REFORM) of the European Commission. Before joining the Commission, Alastair MacIver was a Legal Adviser in the Legal Service of the Council of the European Union and lectured at Tilburg University. He holds a PhD in Law from the European University Institute, Florence. His research focuses on: comparative federalism, secession and how Union law responds to breaches of peremptory norms of international law. His most recent research project investigates how we are to understand the evolving governance of the Economic and Monetary Union in comparative federal perspective.