CEO at Xaxis
CEO of one of the world's largest programmatic buying entities, directly influencing how billions of dollars in programmatic spend are managed and optimized.
Last updated Apr 24, 2026 by jonholm
Nicolas Bidon leads Xaxis, GroupM's programmatic media arm and one of the largest programmatic buying entities in the world. He has overseen Xaxis's evolution from a trading desk model toward an outcome-based programmatic approach using AI and advanced audience targeting. His leadership at the intersection of agency holding company scale and programmatic technology makes him a significant figure in the buy-side AdTech ecosystem.