Sarah Warner is Digital Investment Lead, Programmatic and Video at GroupM. In this role, she manages partnerships and investment Strategy for GroupM across programmatic and video. Utilizing the power and sophistication of
GroupM’s position in the marketplace, Sarah has negotiated key partnerships with publishers, networks and platforms with complex parameters such as viewability and performance guarantees and Nielsen OCR. Sarah is a trusted partner to GroupM agencies, clients, and vendors thanks to her fair, but direct, approach to deals, her commitment to finding terms that are wins for everyone involved, and her expertise in the digital landscape spanning formats and platforms.
Sarah started her career at 2010, working at The Media Innovation Group (now Xaxis). Prior to her role at GroupM, Sarah was the Vice President of Investments and Partnerships at Xaxis. She holds a Bachelor of Arts in Communications and Sociology from the University of Pennsylvania.