Paul Jarvis was called to the Bar in 2001 and appointed Senior Treasury Counsel in 2024. He has contributed to a number of leading practitioner texts in the field of criminal law, including Blackstone's Criminal Practice. In recent years, he has edited several books on fraud, confiscation and, now, disclosure. He is a regular contributor to Archbold Review, an occasional contributor to the Criminal Law Review, and a case commentator for Lloyd's Law Reports: Financial Crime. Paul contributed chapters to collections published by the Max Planck Institute for Comparative Public Law and International Law in Freiburg, and the Criminal Law Reform Now Network, of which he is a committee member. He is a member of the Criminal Procedure Rule Committee, a supervisor in criminal procedure and evidence for undergraduates at the University of Cambridge, and he lectures undergraduates and postgraduates on criminal procedure at the University of Oxford.

Oliver Glasgow KC was called to the Bar in 1995, was appointed King's Counsel in 2016, and was appointed First Senior Treasury Counsel in 2021-the leader of the team of specialist advocates who prosecute the most serious and complex cases in the country. In that role, he undertook some of the most sensitive, difficult and high-profile criminal cases on behalf of prosecuting authorities and government departments. He has advised the UK government and foreign governments about potential criminal liability, the scope of domestic and international criminal law, and possible changes to legislation and sentencing policy. He lectures and writes articles on all aspects of criminal law, and teaches criminal procedure and advocacy in the UK as well as overseas.