Retail Media Pioneers

09 - 10 September, 2025

The Hurlingham Club, London

Jemma Haley

Retail Media Business & Proposition Strategy John Lewis

Jemma has over 15 years experience in Retail and Media and has held Commercial, Product, Proposition and Consulting roles at dunnhumby (working for Tesco and other retailers around the world). She is currently at the John Lewis Partnership, helping to lead Retail Media transformation initiatives and Proposition strategy across their John Lewis and Waitrose retail brands.

Day 1 | 9th September

1:10 PM Panel Discussion: How can you improve internal expertise, partnerships and measurement tools to scale your retail media business at pace?

  • Using intelligent automation, CDP and DSP platforms to streamline manual processes and empower self-service users 
  • How to get the measurement model right to provide ROI on spend and secure repeat business 
  • Increasing collaborative data aggregations to and making your data monetizable to enhance scaling efforts 
  • How can you build retail media expertise within your organisation to become a trusted ad solutions partner to brands? 


Day 2 | 10th September

10:00 AM Ask Me Anything Panel: Our panel of expert retailers and brands are here to answer your most pressing questions on strategy, trends and innovations shaping retail advertising

Using Slido, our panel of C level experts will take questions from the audience, live! For example: 

  • How are you managing the balance between personalisation and growing data privacy regulations, and what steps are you taking to maintain consumer trust? 
  • What are the key operational and technical challenges in running a successful retail media network that are often overlooked? 
  • How are you ensuring that media spend is efficiently allocated, particularly with programmatic advertising? 
  • How do you balance creative innovation with consistency across channels, and how do you measure the effectiveness of new ad formats? 

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

Download The Latest Agenda