Simon worked for almost 30 years in law enforcement, where he covered several teams investigating serious criminal offences, both domestically and internationally.
During his career he led many frontline teams including the Fraud and International Team for the Bailiwick of Guernsey, covering MTIC and revenue fraud. In 2009, Simon returned to the Financial Investigation Unit where he was the Senior Manager in charge of the Money Laundering and Confiscation Team. His last role in law enforcement was as Senior Manager in charge of the Financial Intelligence Service which was predominantly responsible for the acceptance and evaluation of SAR data and case development. Simon joined the Commission in July 2013 as the Director of Enforcement. Since joining the Commission, Simon has overseen the development of the Enforcement Division to enable the Commission to enforce where appropriate and reasonable to do so. Simon is also a member of Committee 4 and the Screening Group for the International Organization of Securities Commissions (IOSCO), which is an association of organisations that regulate the world's securities and futures markets.