Global Head of Media Sustainability at WPP / GroupM
Leader in the growing sustainability segment of AdTech, an area gaining significant traction with major advertisers and platforms.
Last updated Apr 26, 2026 by jonholm
Penelope Townsend leads media sustainability initiatives at GroupM, focusing on reducing the carbon footprint of digital advertising supply chains. She is a prominent voice in the emerging ad industry sustainability movement, working with AdTech vendors on green media standards.