Crystal Zerrenner

Crystal Zerrenner currently serves as EVP of Global Client Growth at WPP, a position held since February 2025. Prior to this role, Crystal worked as a Strategic Marketing Consultant at The Beating Heart from May 2024 to February 2025, where focus was on enhancing integrated marketing strategies for brands. From January 2021 to May 2024, Crystal was the Chief Growth Officer at Thinx Inc., leading marketing and commercial strategies that secured the brand's position as the top seller of usable period underwear, ultimately resulting in an acquisition by Kimberly-Clark. Crystal’s extensive experience at BBDO Worldwide from May 2008 to January 2021 included roles such as Global Chief Marketing Officer, Chief Strategy Officer, EVP of Business Development, and Vice President of Planning, where expertise in business development and integrated marketing was demonstrated.