• WPP published a transcript of its Cannes Lions 2026 investor session on June 25, attended by CEO Cindy Rose, WPP Creative CEO Jon Cook, WPP Production CEO Richard Glasson, CTO Stephan Pretorius.
• Rose set “trusted growth partner” as the Elevate28 mission, introducing public Trust Principles, including client data ownership, open-by-design WPP Open, outcome accountability.
• Pretorius positioned WPP Open as an end-to-end agentic workflow platform, citing InfoSum-driven distributed data collaboration with activations up 7,500% year over year.
• He cited Q1 outcomes from Open Intelligence activations, including 17% higher EV test drives, 52% higher ROI for a beverage brand, 3x in-store footfall.
• Rose flagged a shift away from time-and-materials toward outcome-linked fees, citing Jaguar Land Rover as an example; Glasson said production efficiencies lift net revenue.

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