Guillaume Ballon serves as an Expert-comptable at COGEP since May 2017, providing accounting expertise and advisory services to businesses, supporting management, and overseeing a team of approximately ten individuals. Prior to this role, Guillaume held the position of Responsable de mission at SOGEC GROUPE, a member of COGEP. From September 2011 to April 2017, Guillaume worked at KPMG as a Senior Auditeur financier / Comptable, focusing on accounting expertise and audit services for SMEs and organizations in the social economy sector, as well as co-facilitating conferences on relevant themes. Earlier experience includes an internship as a financial auditor at BDO Belgium. Educational credentials include a Diplôme d'Expertise Comptable (DEC) from Conseil de l'Ordre des Experts-Comptables and a Diplôme supérieur de comptabilité et de gestion (DSCG), along with a Master's in management specializing in Audit and Expertise comptable from ESCEM.