Maarten Teijsse

Maarten Teijsse is a seasoned professional in the global sports and fashion industries, currently serving as General Manager at Under Armour since August 2024. Prior to this role, Teijsse co-founded UNLESS Collective, a streetwear brand committed to sustainable materials, from August 2020 to July 2024. Additional experience includes co-ownership at Slash Concepts, and leadership positions at Quiksilver as Vice-President, Head of Global Marketing, where responsibilities included orchestrating global marketing strategies and managing a large team. Teijsse previously held significant roles at adidas, such as VP of Global Brands and Senior Manager of Strategy Sport Performance, emphasizing brand strategy and operational management across multiple global sites. Teijsse began a professional journey in financial roles at adidas and served as Team Operations Manager for NFL Europe's Amsterdam Admirals. Teijsse holds a Master's degree in Cultural Anthropology from the University of Amsterdam.