Krystian Żółtowski is a seasoned product manager with over eight years of experience in AdTech, data privacy, and digital innovation. Currently serving as Senior Product Manager at PrimeAudience, Krystian leads strategic work around curation, contextual targeting, and the application of AI and large language models (LLMs) in advertising technology. Throughout his career, spanning leadership roles at companies like Ringier Axel Springer and OnAudience.com, he has spearheaded initiatives in first-party data activation, Universal ID deployment, and privacy-safe audience creation. Among his key accomplishments is the successful implementation of the Protected Audience API, a cornerstone of the evolving Privacy Sandbox ecosystem.