Nicolas Loeff is co-founder and CTO at BrainLogic AI, the company behind Zapia, a personal AI assistant used by more than five million people across Latin America (and now Europe) to solve real-world problems. With two decades of experience, Nicolas has led teams building and deploying large-scale AI models, for applications ranging from financial trading to global retail. Before Zapia, he led AI teams at Google and served as Director of Engineering for Search AI at Etsy. A Fulbright Scholar with a PhD in AI, his research in time series, computer vision, and language modeling has earned thousands of citations.

Gertrud Kolb is Chief Technology Officer of Scout24 Group and a member of its Executive Leadership Team. She leads the company's technology strategy across AI, data, architecture and information security, with a focus on building AI-native products and operating models.

With more than 20 years of experience in technology and product leadership, she previously served as CTO at eyeo and held senior technology roles at Axel Springer, including CTO for BILD and WELT's digital brands.

Christian Gisy is OLX's CEO, bringing 25+ years of executive leadership experience to scaling marketplaces. He joined OLX as CEO in 2024. Before that, he held multiple C-level roles across digital entertainment, online marketplaces, and private equity, leading major European marketplace companies through growth and transformation. He also serves as a board member and strategic adviser to Tokki Fashion and is Chairman of the Board of Directors at atHomeGroup. He is known for a people-first approach to sustainable growth and learning.

Andreas Merentitis is Chief Data Officer at OLX, leading 150 people implementing innovative AI business solutions. With 20 years ML/AI experience and a PhD from National Kapodistrian University of Athens, he's published 50+ research papers with 1,200+ citations. He focuses on Agentic AI transforming marketplaces and practical applications driving business impact.