Siem Los

Siem Los is a seasoned marketing professional with extensive experience in global brand management and strategic marketing. Currently serving as Global Marketing Manager at The Duracell Company since September 2017, Siem leads brand strategy and content creation across Europe, Africa, Latin America, and Asia, overseeing initiatives such as the 2024 Williams Racing F1 partnership campaign. Previous roles at The Duracell Company include Marketing Manager for UK & Ireland and Marketing Manager for Benelux, where Siem excelled in media management, shopper marketing, and go-to-market strategies. Prior experience includes an on-trade Account Manager position at The HEINEKEN Company and a brand management internship at JACOBS DOUWE EGBERTS. Siem holds a degree in Digital Marketing Management from London Business School and a Bachelor's Degree in Economics from HU University of Applied Sciences Utrecht.