Brussels, Belgium, 20th January, 2026 - IAB Europe is delighted to announce that Jason Wescott and Patricia Grundmann have been re-elected as Chair and Vice-Chair of the IAB Europe Retail & Commerce Media Committee for the next two-year term.
Jason Wescott, Global Head of Commerce Solutions at WPP Media, and Patricia Grundmann, Chairwoman of Retail Media Circle, Bundesverband Digitale Wirtschaft (BVDW) e.V. and Vice President Media & Retail Media, Managing Director OBI First Media Group, were first elected to their leadership roles in January 2024. Under their guidance, the Committee has delivered significant progress in advancing pan-European definitions, standards, and industry resources that strengthen the Retail & Commerce Media ecosystem.
During their first term, Jason and Patricia delivered several landmark initiatives, including the launch of pan-European Retail Media Measurement Standards, progress on IAB Europe’s Retail Media Certification programme, and the successful delivery of the Retail Media Impact Summit. The Committee also grew its membership, welcoming new retailers, platforms, and technology partners to further enhance cross-industry collaboration.
In their new term, Jason and Patricia will continue to lead the Committee’s efforts to support cross-stakeholder initiatives, drive market understanding, and further develop frameworks that help the Retail and Commerce Media sector scale and thrive across Europe.
Jason Wescott, Chair of the Retail & Commerce Media Committee, commented, “I’m grateful to the committee members for re‑electing me as Chair; it’s a privilege to continue this work for another two years alongside Vice-Chair, Patricia Grundmann, and the fantastic team at IAB Europe. With collaboration, energy, and diligence, our committee will continue to raise the bar—driving trusted measurement, convening the industry at our Impact Summit, and delivering insights that create business value.”
Patricia Grundmann, Vice-Chair of the Committee, added, "I am honoured to have been re-elected to my role as Vice-Chair of the IAB Europe Retail & Commerce Media Committee. The progress we have made in our first term – particularly with pan-European measurement standards and the growth of our community – is a testament to our excellent collaboration. I look forward to continuing our efforts alongside Jason and the entire IAB Europe team to further scale and drive the success of the Retail and Commerce Media sector across Europe."
The Retail & Commerce Media Committee brings together leading retailers and Retail and Commerce Media businesses from across Europe to collaborate on definitions, guidelines, capability maps, measurement frameworks, and thought leadership. Members have already contributed to landmark resources, including pan-European definitions, the first industry-association-led Retailer Digital Advertising Capability Map, and Retail Media Measurement Standards, all available via the Retail Media Hub.
For more information about the Committee’s work and how to get involved, please contact IAB Europe’s Industry Development & Insights Director, Marie-Clare Puffett at puffett [at] iabeurope.eu.
Jason Wescott, Global Head of Commerce Solutions at WPP Media

Jason, a luminary in Global Commerce at GroupM, possesses a dynamic 15-year journey, spanning b2b sales, E-Commerce, and Retail Media.
As the former European E-Commerce lead for Hasbro, he seamlessly transitioned his expertise to pivotal senior Commerce roles at Publicis Groupe and now WPP’s GroupM.
Jason's fervour lies in crafting global growth strategies that seamlessly integrate people, data, and AdTech. His client engagements have included Colgate-Palmolive, Amazon, Samsung, P&G, HP, Disney, and Vodafone.
Patricia GrundmannVP of Retail Media, MD OBI First Media Group

As an experienced leader in the retail media sector, Patricia has helped to build up and manage the OBI First Media Group over the past 6 years. First as Lead, as Head of, then as Director and currently as Vice President Retail Media and Managing Director, the topics of Business Strategy & Development, Product Development, Marketing and Leadership are close to her heart.
Before joining OBI, she was Head of Business Development & Partner Management at OTTO Group / shopping 24. For more than 3.5 years was Team Lead Sales & Marketing for moebel.de Einrichten & Wohnen AG, a subsidiary of ProSiebenSat1. She was able to develop her passion for the topics of communication, innovation and transformation as well as her passion for brands and people as co-founder of a consulting firm for ideation.
