As Magnite’s Chief Financial Officer, David Day oversees the planning, reporting, accounting, tax, treasury, financial systems and investor relations functions for Magnite. Before Rubicon Project merged with Telaria to form Magnite in 2020, David served as Rubicon Project’s Chief Financial Officer, and previously as Chief Accounting Officer.

Prior to joining Rubicon Project, David has held various financial executive roles in high-growth technology-based advertising companies, including Chief Accounting Officer at ReachLocal, which focused on helping local businesses solve online marketing needs. He was also Vice President of Finance at Spot Runner, a company that helped simplify the buying and selling of television media. Another major role for David was as Senior Vice President of Finance and Corporate Controller of Overture Services, the originator of the paid search advertising model. Subsequent to Overture’s acquisition by Yahoo, David served as Senior Vice President of Finance for Yahoo Search Marketing. He was also co-founder of SignJammer, a start-up in the out-of-home advertising market.

David spent his early career in public accounting with Arthur Andersen and PricewaterhouseCoopers—including a three-year stint in PwC’s Frankfurt, Germany office. He has a BS from Brigham Young University.

David and his wife, Debbilyn, have three children, Ryan, Jeremy and Camille.