Jem Lloyd-Williams

Chief Executive Officer at Mindshare UK

Lloyd-Williams represents holdco agency C-suite leadership in the UK, offering the agency-side perspective on programmatic buying, media supply chain, and advertiser data strategy.

Last updated May 30, 2026 by the ATDb Editorial Team

Bio

Jem Lloyd-Williams leads Mindshare UK, WPP's flagship media agency, overseeing programmatic strategy, data partnerships, and media investment for major UK and global advertisers. He is a prominent figure in the UK media agency landscape and has been vocal on topics of media transparency and supply chain quality.

Expertise

Media Agency LeadershipProgrammatic StrategyMedia Transparency