Krystian Żółtowski is a product leader in adtech, specializing in audience curation, privacy-preserving data activation, and programmatic infrastructure. He works at the intersection of data, AI, and OpenRTB-based media buying, focusing on how audiences are created, evaluated, and activated across DSPs and SSPs. His work spans real-time data integrations, curation APIs, contextual and semantic classification, and privacy-first audience strategies. Krystian regularly collaborates with global adtech platforms and SSPs, helping translate complex technical systems into scalable, compliant, and usable products for marketers and media teams.