CEO at Mediaocean
Leading Mediaocean as the foundational infrastructure layer of global advertising, enabling omnichannel media workflow, financial reconciliation, and interoperability across the fragmented AdTech ecosystem at massive scale.
Last updated Feb 27, 2026 by AI Enrichment
David Smith is the CEO of Mediaocean, one of the advertising industry's most critical infrastructure platforms, overseeing a system that processes more than $200 billion in annual media spend and serves over 100,000 users across agencies, advertisers, media companies, and technology platforms globally. His leadership has defined Mediaocean's identity as the connective tissue of the advertising ecosystem — enabling financial reconciliation, workflow automation, and data management across linear TV, digital, social, and emerging media channels at scale. Smith has been a central figure in Mediaocean's strategic evolution, guiding the company through key acquisitions and integrations that have expanded its capabilities across media planning, buying, billing, and analytics. His focus on interoperability and unified omnichannel workflows has positioned Mediaocean not merely as a software vendor but as mission-critical infrastructure — a distinction that has become increasingly important as the advertising landscape fragments across channels and platforms. Under Smith's direction, Mediaocean has deepened its role as a neutral platform that connects disparate parts of the AdTech ecosystem, enabling clients to manage complexity without being locked into a single walled garden. His strategic vision emphasizes operational efficiency and financial transparency for media transactions, areas that remain persistent pain points for large advertisers and agency holding companies navigating an increasingly complex media environment.
Mediaocean (prior to CEO appointment)