Speakers

Leading Retail Media transformation at Kleinanzeigen, Germany’s largest Classified brand with over 40 million monthly users. Previously, I drove a similar transformation at Leboncoin, France as part of Adevinta group. Regular speaker at eTail and guest lecturer at Boston University and Imperial College London. Previously, led Digital Marketing & Product at Rakuten, Sony and TripAdvisor.

Manuel Köppl is Head of International Brand at HAIX, where he leads global brand strategy and marketing for a premium manufacturer „100 % Made in Europe“ – operating across more than 80 countries worldwide. In this role, Manuel oversees international brand development, (sport) partnerships and cooperations, as well as community-driven initiatives that strengthen HAIX’s positioning in professional and outdoor segments.

Franziska Seibert is Media Director at Fabletics, where she leads acquisition strategy and execution across Europe, driving scalable, social-first growth in highly competitive markets. With a strong focus on funnel optimization and creative performance, she combines data-driven decision making with high-impact storytelling to maximize customer acquisition efficiency and long-term value.

At Fabletics, she has built and scaled a high-performing team and established the structures and processes needed to consistently deliver measurable growth across diverse regional markets.

Prior to this, Franziska built and led the Paid Social team at DEPT Berlin, growing it into a high-performing unit and partnering with global brands such as Meta Reality Labs, eBay, and Netflix.

Samuel Barreto is a global marketing leader, speaker, and brand strategist working at the intersection of sport,culture, and business. He currently leads global marketing initiatives at PUMA, shaping campaigns and brand narratives across international markets.
His career has been built across multiple countries and cultures, giving him a grounded and practical perspective on how brands connect with people in meaningful ways. He brings experience from global campaigns, product launches, and cultural activations, including work around the world’s biggest sporting moments.
As a speaker, Samuel focuses on real-world insights rather than theory. He speaks about brand building, cultural relevance, career growth, and navigating global environments with clarity and intent. His sessions are honest, direct, and shaped by lived experience.
Today, he works with brands, teams, and young professionals who want to think long term, move with purpose, and build meaningful impact beyond titles.

Laura is an experienced Senior E-Commerce Manager with over 8 years in the industry, currently working at OTTO, one of Germany’s leading e-commerce platforms. Her focus lies in retail media and marketplace strategy, where she helps brands grow their visibility and performance in highly competitive online environments.
With a strong foundation in international business and corporate strategy, Laura has held impactful roles at both global corporations and fast-paced scale-ups. Her career spans the fashion, lifestyle, and sportswear industries, giving her a unique perspective on brand growth, consumer behavior, and omnichannel excellence.
Laura brings deep expertise in performance marketing, CRM, and digital commerce, along with hands-on experience in marketplace management and retail media solutions. Her professional journey combines strategic thinking with operational execution, always with a focus on innovation, customer experience, and measurable results.