Justin heads the Monitoring Trustee Services Team at the Brussels and London offices of Mazars. Prior to joining Mazars, Justin was Director of the Brussels office of Monitoring Trustee firm CompetitionRx. Before moving into the field of monitoring trustee work, Justin was part of the competition/regulatory practices of two leading international law firms based in Brussels.

Justin has served as a regulator through his positions as official for DG Competition ensuring the proper implementation of remedies, at the Office of Fair Trading and the EFTA Surveillance Authority. Justin qualified as a Barrister in 1995 in the UK, he is also a member of the Brussels Bar.

He regularly acts as monitoring trustee and has acted as trustee in relation to cases involving the European Commission and other the competition authorities throughout Asia, Latin America and USA.

Justin has particular expertise in both the design and implementation of remedies having co-authored the 2005 Remedies Study which reviewed the Commission’s remedies policy and contributed to the adoption of the 2008 Remedies Notice.

Justin has written and presented extensively in relation to remedies cases and policy.