Emma Lacey

Emma Lacey

SVP Sales Demand EMEA Onetag
Emma is an experienced business executive with over 20 years of success leading and building high-performing commercial teams across the advertising industry. She has a strong track record of securing strategic partnerships with global media agencies and brands, and delivering advertising and ad tech solutions for agency holding companies. With extensive experience across the publisher, demand, and supply sides of the ecosystem, her expertise spans programmatic, content partnerships, native, contextual, online video, and CTV.

Day 1 | 2nd June 2026

2:10 PM Panel Discussion: How You Can Deliver Measurable ROI on the Open Internet Through AI, Quality, and Efficiency

  • Reducing wasted spend: how to tackle supply chain inefficiencies and hidden fees in programmatic
  • Using AI to improve performance: applying quality scoring, audience matching, and contextual relevance to drive better results
  • Connecting media and creative: how integrated optimisation can unlock stronger campaign outcomes
  • Closing the gap with walled gardens: delivering transparency, control, and performance at scale on the open web

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

Download The Latest Agenda