Simon Mills trained first as a doctor in Trinity College Dublin and then as a lawyer in University College Dublin. As both a medical and law student, he was active in various student societies. At UCD he was also a gold medallist of the Literary and Historical Society, a medallist in Constitutional Law and a Swift McNeill Scholar. He was called to the Irish Bar in 2002 and now practises as a barrister in medical and professional regulatory law and has been involved in a number of the leading Irish cases in the areas. For Bloomsbury, he is the author or co-author of two books and has also been a contributor to several other texts. He contributes regularly to Irish print and broadcast media on medico-legal and medical ethical matters. Andrea Mulligan is a practising barrister with specialisations in medical law, public law, and assisted reproduction/surrogacy. She is an adjunct lecturer at the School of Law, Trinity College Dublin where she lectures modules in Medical Law and Law and Bioethics on the LL.M programme. She holds an LL.M from Harvard Law School, and a PhD from Trinity College Dublin, where her research focused on the legal regulation of assisted reproduction.