As chief executive officer of Zillow Group, Spencer oversees the company’s portfolio of real estate and home-related brands, including consumer brands Zillow, Trulia, StreetEasy and HotPads. Spencer joined Zillow in 2005 as one of its first hires, and served various roles including chief operating officer, until his appointment to CEO in 2010. Since becoming CEO, Spencer has led Zillow through its 2011 IPO and nine acquisitions. In 2015, Spencer co-wrote and published his first book, the New York Times’ Best Seller “Zillow Talk: The New Rules of Real Estate.”

Fortune and Forbes both listed Spencer as one of America's most powerful CEOs under 40 and he is a recipient of Ernst and Young’s National Entrepreneur of the Year Award. Before joining Zillow, Spencer was vice president of lodging for Expedia. In 1999, at the age of 24, Spencer co-founded Hotwire.com, a leading Internet travel company, which a few years later he sold to InterActiveCorp (the parent company of Expedia). Before his consumer Web career, Spencer was in investment banking and private equity. He worked in the mergers and acquisitions group at Goldman Sachs and an associate at TPG Capital.

Spencer graduated cum laude from Harvard University.

Spencer is on the boards of directors of TripAdvisor, Zulily, and privately held online beauty company Julep. He is also a member of the Young Presidents' Organization, and is on the advisory board of Seattle Children’s Hospital Research Institute.