Ranked as a leading barrister in legal directories, Leo practises in all areas of Crime and Regulatory & Professional Disciplinary law. He advises on and appears as lead counsel in large, multi-handed cases involving complex, technical and sensitive evidence.

He is instructed in cases including Murder & Manslaughter and Terrorism. In R-v-Dunleavy he appeared at first instance and in the Court of Appeal in a case concerning the preparation of terrorist acts. The case is cited extensively in Blackstone Criminal Practice in relation to reasonable excuse and the withdrawal of defences generally.

Leo also has a wealth of experience in the field of Business Crime & Fraud, recently appearing in a four-month trial concerning allegations of a £12m duty Fraud. He appeared in the first ever case concerning criminal benefit obtained from the operation of an unregistered money service business, developing at first instance the law in this field of financial crime.

Leo is instructed to appear in the High Court in sensitive ex parte matters.

He is appointed at the highest grade as a CPS panel advocate to the Counter Terrorism, Serious Fraud panel and Serious Crime panels.

Year of Call: 2007

Recorder of the Crown Court (2022)

Serious Crime Group Specialist Panel Member

Fraud Specialist Panel Member

Counter-terrorism Specialist Panel Member

Rape and Serious Sexual Offences Specialist Panel Member

Association of Regulatory and Disciplinary Lawyers

CBA

South Eastern Circuit

Bar Vocational Course

Graduate Diploma in Law

MSc Medical Anthropology, University of Oxford

BSc Biology, University of Leeds: First Class Honours