Guillaume Demarcq is a seasoned legal professional specializing in criminal law, currently serving as a founding member at Cercle K2 since March 2022. With a robust background at AMARANTE AVOCATS, which focuses on the anticipation and management of criminal risk, Demarcq has been instrumental in providing a comprehensive range of services to both private and public entities since January 2012. Demarcq's prior experience includes a rank of Lieutenant-Colonel at the Commandement des réserves de la gendarmerie from March 2021 to August 2022, where responsibilities included managing operational reservists. Early career roles featured collaborations with notable legal figures at Cabinet Dupond-Moretti & Squillaci and Cabinet ADNS, focusing on criminal law cases. Academically, Demarcq has pursued advanced studies in national security, intelligence economic, and business management, signaling a commitment to continuous professional development.