James Best Chair, Committees of Advertising Practice Lisa Boyles Head of Go To Market and Media, giffgaff Paula Carrion Marketing Director, Sustainable Transformation Practice, Kantar Audrey Danthony Co-founder and CPO, Impact Plus Munish Datta Director of Sustainability, Specsavers Simren Deogun Fractional CMO/CSO, Multiple Toby Dewar Director Customer Engagement, Foxtel Media Chris Dooley Head of Sustainable Media, JCDecaux UK Karen Hamilton Senior Associate CISL, Cambridge Institute for Sustainability Leadership Tracy Harber Industry Manager, Google Sam Hicks Head of Advertising Strategy, Channel 4 Nadia James Global Ads Sustainability Marketing Lead, Google Benoit Julia Chief Sustainability Officier, L'OREAL Ally Kingston Strategy Lead, Purpose Disruptors Rosie Kitson Chief Impact Officer, Havas UKI Thomas Kolster Marketing activist, author & speake, Goodvertising Agency Jeremy Mathieu Head of Sustainability, ITV Thomas Mills Senior Climate Expert, Booking Holdings Hannah Mirza Founder and CEO, Responsible Marketing Advisory Olivia Montgomery Media Planner, the7stars Alice Pedretti Sustainability & Impact Director, Havas Italy Kellyanne Perez-Vera Global Sustainability Director, Mastercard Tim Pritchard Head of Responsible Media, MG OMD Isabelle Quevilly Director Creative Shop, Meta Irwin Raj Head of Sustainability, Asia Pacific, Dentsu Sandeep Rana Senior Director for Sustainability & Citizenship, The Estee Lauder Companies Charlie Rudd CEO, Publicis Groupe UK Creative Practice Stephanie Helen Scheller Managing Partner Sustainable Solutions, Omnicom Media Ryan Smith Senior Director, Strategy, WPP Media Fran Sutter Head of Sustainability, GMR Marketing Samantha Walsh Senior Director, Sustainability & Program Lead, Inclusive and Sustainable Marketing, CMO Global Growth Council, Association of National Advertisers Michelle Whitehead Sustainability, Immediate