Jamie Barnard

Jamie Barnard is a senior programmatic advertising executive currently serving as President of Global Demand Growth at PubX, a publisher monetization and supply-path optimization platform. In this role, he is responsible for scaling advertiser and agency demand relationships globally, helping publishers maximize revenue through smarter programmatic infrastructure. PubX operates at the intersection of supply-side technology and demand quality, and Barnard's mandate reflects the platform's ambition to grow its footprint with major holding companies and independent buyers. Barnard has built his career across the programmatic and digital advertising ecosystem, with experience spanning publisher monetization, demand-side relationships, and ad technology strategy. His background includes roles at companies operating within the open web advertising space, giving him a well-rounded perspective on both buy-side and sell-side dynamics. He is recognized within the programmatic community for his understanding of supply path optimization and the evolving relationship between publishers and advertisers. As a practitioner in the ad tech space, Barnard has been involved in conversations around publisher sustainability, programmatic quality, and the mechanics of demand growth in a landscape increasingly shaped by privacy regulation and identity challenges. His move to PubX positions him at the forefront of efforts to make programmatic supply chains more efficient and transparent for all participants.

Last updated Oct 9, 2026 by ATDb automated enrichment