Cannes 2026: Restructuring Identity Graphs for Agentic Advertising and AI Purchases | Mathieu Roche, ID5, Co-founder & CEO

Many corporate marketing strategies face dropping conversion tracking metrics because they rely on closed ad-tech vendors that introduce platform bias into campaign attribution. Mathieu Roche, co-founder and CEO of ID5, breaks down how to construct neutral identity infrastructure to protect cross-channel addressability and secure reliable measurement.He shares his operational playbook for navigating the shift toward agentic advertising, altering data graphs to track automated consumer assistants, and using internal team hackathons to automate routine sales and CRM processes.Key tactical themes covered:Building neutral identity channels to protect unbiased attribution tracking.Modifying data graphs to track verified virtual agents across the purchase funnel.Shifting identity tech priorities from baseline audience targeting to outcome measurement.Linking automated AI transactions directly back to programmatic ad investments.Utilizing structured team sprints to automate routine operational follow-up tasks.Mathieu Roche is the co-founder and CEO of ID5, directing un-siloed identity architecture and multi-platform validation systems for leading digital publishers.Connect with our guest:Follow Mathieu Roche on LinkedIn: https://www.linkedin.com/in/mathieuroche/Explore ID5 Solutions: http://id5.ioOptimize Performance Advertising with Strike Social: https://strikesocial.com/guaranteed-paid-social-media-ads-outcomes/Connect with Host Dylan Conroy: https://www.linkedin.com/in/dylanconroy/