Chief Executive Officer, Co-Founder & Chairman
Tim Vanderhook is Co-Founder, CEO and Chairman of the Board of Viant Technology. He leads the company’s strategic vision, driving innovation and product development of Viant’s self-service DSP for omnichannel advertising, Adelphic®. For more than 2 decades, Tim, alongside his brother Chris Vanderhook, has steered Viant’s mission of automating the planning, buying, and measurement of advertising through technology and innovation. Furthermore, Tim’s early vision led to the development and standardization of using web cookies for behavioral targeting that pioneered interest-based digital advertising practices commonly in use today. In addition to Viant, Tim also co-founded XUMO in 2011, one of the largest ad supported Over-The-Top (OTT) streaming services, which was acquired by Comcast in February 2020. Recognized for his digital advertising expertise and innovation, Vanderhook has authored several patents including Internet Connected Household Identification, Upfront Advertising Purchasing Exchange and User Demographic Profile Methods. Tim is a serial entrepreneur and investor, avid sports fan and resides with his wife Laura and their four children in Orange County, California.
Chairman of the Board
Chief Operating Officer, Co-Founder & Board Member
Chris Vanderhook is Co-Founder, Chief Operating Officer and Board Member of Viant Technology where he oversees and manages Viant’s day-to-day operations. He is responsible for the strategic and operational leadership of the company including Sales, Marketing, Ad Operations and Customer Support. For more than 2 decades, Chris, alongside his brother Tim Vanderhook, has steered Viant’s mission of automating the planning, buying, and measurement of advertising through technology and innovation. In addition to Viant, Chris also co-founded XUMO in 2011, one of the largest ad supported Over-The-Top (OTT) streaming services, which was acquired by Comcast in February 2020. Vanderhook received a B.S. degree in Business Administration at the Marshall School of Business from the University of Southern California. He is a serial entrepreneur, youth sports coach and resides with his wife Heather and their four children in Orange County, California.
Mr. Valdes is a former Chief Financial Officer and Executive Vice President of First American Financial Corporation, a New York Stock Exchange-listed company. Prior to his retirement, Mr. Valdes held numerous financial positions over his 25 years at First American Financial Corporation, including Controller and Chief Accounting Officer. He currently serves on the board of directors and audit committee of First American Trust Company. Mr. Valdes brings a significant level of financial and management expertise to the board of directors. This experience also provides insight regarding public company reporting matters, as well as an understanding of the process of an audit committee’s interactions with the board of directors and management. Mr. Valdes is a CPA and earned a BA degree in Business Administration at the California State University, Fullerton.
Elizabeth Williams has served as Chief Executive Officer of Drybar Holdings, LLC, an owner of hair salons providing blowouts and hair styling products and accessories, since June 2020. Previously, Ms. Williams was President of Taco Bell International from January 2018 to January 2020, Chief Financial Officer of Taco Bell Corp. from October 2013 to January 2018, and Vice President, Financial Planning & Analysis of Taco Bell Corp. from 2011 to 2013. Ms. Williams currently serves on the board of directors and audit committee of Stitch Fix, Inc., a Nasdaq-listed company. Ms. William’s experience leading a global business and service on other public company boards brings important insight and guidance to the board regarding its responsibilities as a public company, as well as best practices in corporate governance. Ms. Williams earned a BA degree in Business Administration from University of Texas in Austin and an MBA from the Kellogg School of Management at Northwestern University.