Spencer Rascoff is the Chief Executive Officer and a Director of Zillow Inc. (NASDAQ: Z), the leading real estate information marketplace. Spencer joined the company as one of its founding employees in 2005 as Chief Financial Officer and Vice President of Marketing and served as its Chief Operating Officer from October 2008 through his promotion to CEO in September 2010. Under Spencer's leadership, Zillow achieved record Web and mobile traffic, record revenue and record profitability in 2011, and successfully completed its IPO in July 2011. Spencer graduated cum laude from Harvard University, and he serves on Harvard University's Digital Community & Social Networking Advisory Group. Spencer is a member of the Young Presidents' Organization (YPO), and the Policy Advisory Board at the Harvard Joint Center for Housing Studies. Spencer is also on the Boards of Directors of TripAdvisor Incorporated, a publicly traded (NASDAQ: TRIP) travel services company Julep, a privately held beauty brand and Zulily Incorporated, a publicly traded (NASDAQ: ZU) consumer products company. Additionally, Spencer, along with Zillow chief economist Stan Humphries, is the author of "Zillow Talk: The New Rules of Real Estate," scheduled for release in January 2015.