Sarah Warner

Director, Business Development at Xandr

Sarah Warner Harms (previously known as Sarah Warner) is a seasoned professional in the digital advertising and media industry with extensive experience in leadership roles at various prominent companies.1 Her career trajectory includes:

Current Position

Sarah Warner Harms is currently working as a Senior Director of Sales at Roku.1 2

Previous Roles

GroupM: She served as the Digital Investment Lead for Programmatic and Video from October 2016 to September 2018.1
Microsoft: She worked as a Senior Director of Sales, running North American Buy-side Sales and Account Management of Xandr Invest and Xandr Curate from May 2023.1
Xandr: She held multiple positions, including Group Vice President and Vice President of North American Agency Platform Lead.1

Career Highlights

Over a decade of experience in the digital advertising industry.
Managed partnerships and investment strategy in her role at GroupM.3
Recognized as a Cynopsis Rising Star in 2016.1
Named an AdAge 40 under 40 Honoree in 2017.1

Education

Sarah earned her BA in Communications and Sociology from the University of Pennsylvania (2006-2010).1

Sarah Warner Harms has demonstrated expertise in digital investment, programmatic advertising, and video marketing throughout her career, making significant contributions to the companies she has worked with in the WPP ecosystem and beyond.