Mr. Turner has served on our Board since February 2020, after serving as Vice Chairman and Senior Advisor to the Chief Executive Officer since August 2017. Mr. Turner has served as President and Chief Executive Officer of Core Scientific, an emerging leader in blockchain and artificial intelligence infrastructure, hosting, transaction processing, and application development, since July 2018.
Mr. Turner was previously a member of the board of directors of Nordstrom, Inc., from 2010 to May 2020, and Chief Executive Officer of Citadel Securities and Vice Chairman of Citadel LLC, global financial institutions, from August 2016 to January 2017. He served as Chief Operating Officer of Microsoft Corporation from 2005 to 2016, and as Chief Executive Officer and President of Sam’s Club, a subsidiary of Wal-Mart, from 2002 to 2005. Between 1985 and 2002, Mr. Turner held a number of positions of increasing responsibility with Wal-Mart, including Executive Vice President and Global Chief Information Officer from 2001 to 2002.