Greg Maffei has served as a member of our board of directors since 2011 and as our Chairman of the Board since 2013. Mr. Maffei has served as President and Chief Executive Officer of Liberty Interactive Corporation since February 2006, and has served as President and Chief Executive Officer of Liberty Media Corporation (including its predecessor) since May 2007. He also served as Liberty Interactive's CEO-Elect from November 2005 through February 2006. Additionally, he has served as President and Chief Executive Officer of Liberty Broadband Corporation since June 2014 and Liberty TripAdvisor Holdings, Inc. since July 2013, which were spun off from Liberty Media and Liberty Interactive, respectively, in 2014. Mr. Maffei has served as a director of Liberty Interactive since 2005, as a director of Liberty Media (including its predecessor) since May 2007, as Chairman of the Board of Sirius XM Holdings Inc. (since April 2013; director since March 2009), and as a director of each of Starz (since January 2013), Liberty TripAdvisor (since June 2015; director since July 2013), TripAdvisor, Inc. (since February 2013), Charter Communications, Inc. (since May 2013), Liberty Broadband (since June 2014) and Zillow Group, Inc. (including its predecessor, since May 2005).