Grégoire is one of the founders of MANGEAT and Former Chairman of the Geneva Bar Association (2016–18). He has over 20 years’ experience as a litigator, with strong expertise in white-collar crime.
He specialises in representing Swiss and foreign clients in criminal and mutual legal assistance proceedings. He also specialises in the delisting of people or entities from sanction lists and in legal and administrative assistance (tax, criminal and financial matters) and has appeared in several cross-border and multi-jurisdictional proceedings.
He is a member of the European Criminal Bar Association, European Fraud and Compliance Lawyers, and The International Academy of Financial Crime Litigators.
Since 2011, he has been a lecturer at the University of Geneva.