B2B Summit Takeaways from Cannes 2026

The B2B Decade is in high gear. At this year's LIONS B2B Summit, the conversation focused on the role of brand as a full funnel driver of commercial impact — from Buyability and decision defensibility to the boardroom-ready business case for brand investment to the conviction gap separating the brands winning Lions from those still playing it safe. 

We've distilled the standout talks, the work that won, and what it all signals for B2B marketing in the year ahead.

Learn moreLink to https://campaigns.steinb2b.com/hubfs/Cannes%20Lions%202026_Stein%20Key%20Takeaways%20Piece.pdf