Dennis leads Snowflake’s GTM efforts for ad/martech, communications, media, and entertainment. He has worked in digital ads/media for 20+ years, managing teams that developed DSPs and ad exchanges, targeting and identity systems, measurement platforms, technical standards, and more. Prior to Snowflake, Dennis led data-strategy-focused advisory firm ThinkMedium, was a VP at Meta, was CEO of IAB Tech Lab, and held exec roles at Yahoo and Microsoft.