Jonnie Cahill

Chief Marketing Officer at Heineken USA

As a CMO who actively engages with programmatic supply chain quality and transparency issues, Jonnie Cahill represents the influential advertiser voice that shapes demand-side AdTech practices and vendor accountability.

Last updated May 22, 2026 by jonholm

Bio

Jonnie Cahill serves as CMO of Heineken USA and is known for his sophisticated approach to programmatic media buying, data-driven marketing, and brand safety. He has been an outspoken advertiser voice on the quality of the programmatic supply chain and the responsibilities of brands in ensuring their ad spend reaches legitimate environments. His perspective as a major advertiser gives him significant influence over AdTech demand-side practices.

Expertise

Programmatic Media BuyingBrand SafetyAdvertiser Perspective on AdTech