Daley first studied law at Durham University, where he earned his LL.B. with honours and began to develop his interest in international and criminal law. He went on to complete an LL.M. in Public International Law at Leiden University, graduating cum laude and receiving the Leiden Journal of International Law Thesis Prize for his thesis on the legality of Kenya’s 2011 invasion of Somalia. His Ph.D., awarded by the University of Amsterdam, examined asset freezing at the International Criminal Court and the United Nations Security Council.
Before joining the University of Birmingham, Daley held academic posts at Macquarie Law School and Northumbria Law School. At these institutions he led the design of three new postgraduate law programmes in Business and Human Rights, Anti-Money Laundering and Counter-Terrorist Financing Law, and International Criminal Law and Practice, work that contributed to his recognition as a Senior Fellow of the Higher Education Academy (SFHEA). In Sydney, he also contributed to innovations in assessment design, particularly in responding to the emergence of generative AI and its impact on legal education, and presented these initiatives at Asian Law Schools Association conferences in Taiwan and Malaysia.
Daley has an extensive record of success in international moot coaching. At the Chinese University of Hong Kong Faculty of Law, he co-coached teams in the International Criminal Court Moot Court Competition and the Red Cross International Humanitarian Law Moot. At Northumbria, where he served as Director of Mooting, his teams reached the quarter-finals of the KK Luthra Memorial Moot and placed fifth overall at the DM Harish Memorial Moot. Most recently, at Macquarie, he coached the Nuremberg Moot Court team, which placed second overall among more than 120 universities worldwide, with one team member awarded Best Speaker.
Beyond academia, Daley formerly worked as a Legal Consultant to the United Nations Assistance to the Khmer Rouge Trials in Phnom Penh. In this capacity he advised the International Judges of the Supreme Court Chamber of the Extraordinary Chambers in the Courts of Cambodia on international and comparative criminal law, international humanitarian law, and international human rights law.
Building on his professional experience in Cambodia, Hong Kong, and Australia, Daley has played an active role in advancing international law in the Asia–Pacific region. He has served as a Governing Board member of the Foundation for the Development of International Law in Asia, a Committee member of the Australian and New Zealand Society of International Law International Peace and Security Interest Group, and a member of the invitation-only International Law Association Study Group on Asian State Practice of Domestic Implementation of International Law.