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Chloe Gleeson

Executive

Represents the under-covered holdco agency programmatic operations layer in the UK, a long-tail axis combining geographic and non-C-suite focus.

Role: Head of Programmatic & BiddableCompany: Dentsu UK

Last updated Jun 27, 2026 by the ATDb Editorial Team

Bio

Chloe Gleeson leads programmatic trading and biddable media strategy at Dentsu UK, overseeing activation across DSPs and managing supply path optimization initiatives for major UK advertisers. She is an active voice in UK AdTech circles on topics including brand safety, made-for-advertising site detection, and programmatic transparency. Her work bridges holdco agency ad operations with broader industry standards conversations.

Expertise & education

Expertise

Programmatic TradingSupply Path OptimizationBrand Safety