Dennis Buchheim

Dennis Buchheim is currently the Global Head of GTM - Adtech/Martech, Communications, Media, & Entertainment at Snowflake.

Dennis has worked in digital advertising for 20+ years. He is a product-oriented leader who has led organizations to develop demand-side platforms, ad exchanges, targeting systems, identity solutions, measurement platforms, and more.
Dennis most recently founded advisory firm ThinkMedium in 2023 to help ads and media clients navigate shifts in privacy and data strategy, safety, and efficiency.

He was previously a VP at Meta, in a role that built on his tenure as CEO of advertising technical standards body IAB Tech Lab and his prior ad tech product/business leadership experience at Yahoo and Microsoft.

Before “finding advertising”, Dennis held engineering and product roles at Apple, Oracle, Actioneer, and iHarvest (a Pinterest predecessor that he co-founded), working on a range of enterprise and consumer software products.