Steve Peers is a Professor of Law at the Law School of the University of Essex. He is a specialist in EU law, including EU immigration and asylum law, on which he has written extensively. He was the co-editor (with Nicola Rogers) of the first edition of EU Immigration and Asylum Law and is also the author of three editions of EU Justice and Home Affairs Law. He is an immigration law expert for the EU's Fundamental Rights Agency and a consultant for EU institutions and NGOs in this field. Elspeth Guild is Jean Monnet Professor of law at the Radboud University, Nijmegen Netherlands and Professor of law at Queen Mary University of London. She is also a partner at the London law firm Kingsley Napley. She has written and taught widely on EU immigration and asylum issues. She is sometime advisor to EU institutions on the subject.

She is also a Senior Research Fellow at the Brussels based think tank the Centre for European Policy Studies. Jonathan Tomkin is a Barrister and Director of the Irish Centre for European Law, Trinity College, Dublin. A specialist in EU Law, Mr Tomkin practices and lectures extensively in the field of Union citizenship, migration and asylum law. Previously he worked as a Legal Secretary (Référendaire) at the Court of Justice of the European Union in Luxembourg and as a Legal Officer at the Permanent Bureau of the Hague Conference on Private International Law.