Guillaume is an accomplished professional with over 18 years of expertise in the luxury retail and wholesale sector. Currently, he works as a Consultant, leveraging his extensive knowledge across various projects. Recently, he served as the Global Head of Customer Experience, Marketing, and Creative at ZAPP, where he led high-end customer service strategies and marketing developments. Previously, as Head of Retail for IWC Schaffhausen, Guillaume significantly boosted sales and expanded the retail footprint. His career also includes several managerial roles at Dior within Harrods, where he successfully managed teams, drove sales, and implemented innovative retail strategies.