Sarah Stern is a digital marketing leader with deep expertise in performance media, ecommerce, and client growth. As SVP, Head of Performance at KINESSO, the performance marketing arm of IPG Mediabrands, Sarah oversees $1B+ in media billings across brands like General Mills, American Express, and CVS, driving innovation in search, social, ecommerce, and programmatic. She has held senior roles at Philips Personal Health and PHD Media, where she built high-performing teams, scaled in-house media capabilities, and forged key partnerships with Google, Meta, Amazon, and Walmart. Known for blending data, media, and creative, she helps brands unlock measurable growth in a fast-changing digital landscape.