John W. Stanton
John W. Stanton has been a director of Costco since October 2015. He is the Chairman of Trilogy International Partners, Inc., Trilogy Equity Partners, and Chairman of First Avenue Entertainment LLLP, which is the owner of the Seattle Mariners. Mr. Stanton founded and served as Chairman and Chief Executive Officer of Western Wireless Corporation from 1992 until shortly after its acquisition by ALLTEL Corporation in 2005. He was Chairman and a director of T-Mobile USA, formerly VoiceStream Wireless Corporation from 1994 to 2004, and was Chief Executive Officer from 1998 to 2003. Mr. Stanton was a director of Clearwire Corp. from 2008 to 2013, Chairman between 2011 and 2013, and interim Chief Executive Officer during 2011. He is currently a director of Trilogy International Partners and Microsoft Corporation and was previously a director of Columbia Sportswear Company.