Matt May

Matt May

Head of Performance Media Heidi

Matt May is Head of Paid Media at Heidi, where he drives efficient, scalable growth across paid media. With over a decade of experience in digital advertising, he has held senior roles at brands including Three, Sky Bet, and GoCompare, leading high-performing teams and managing eight-figure media budgets. He has scaled programmatic investment by establishing robust measurement and effectiveness frameworks, with accountability for both strategy and commercial outcomes in high-growth and highly regulated environments.

Day 2 | 3rd June 2026

2:35 PM Fireside Chat: First-Party Readiness Post-Cookies - How Can You Capture Consented Data at Scale to Drive Incrementality and ROI?

  • Capturing Consented Data at Scale: Proven methods for collecting first-party data without compromising customer experience
  • Extending Reach and Effectiveness: Leveraging clean rooms, identity graphs, and retail media partnerships to maximise first-party data impact
  • Driving Incrementality and ROI: Using first-party signals for testing, attribution, and building stronger business cases for investment 

3:15 PM Fireside Chat: Brand Safety Rebuilt - How can you make Responsible Investments That Balance Protection and Performance?

  • Supporting Quality and Diversity: Enabling advertisers to invest in trusted news, diverse publishers, and niche voices without over-blocking
  • Assessing Platform Maturity: Evaluating CTV, retail media, and social platforms for reliable safety and measurement
  • Leveraging AI Responsibly: Understanding how AI can flag unsafe content, improve transparency, or introduce new risks across the supply chain 

Check out the incredible speaker line-up to see who will be joining Matt.

Download The Latest Agenda