Teresa Elder

Ms. Elder was appointed as CEO of the Company in March 2017. Ms. Elder previously was President of Wholesale & Strategic Partnerships at Clearwire from 2009 to 2011. Before that she was Chief Executive Officer at Vodafone Ireland from 2005 to 2007, President—AT&T Broadband from 2000 to 2001, Senior Vice President—MediaOne from 1998 to 2000 and Vice President—National Operations from 1997 to 1998 at MediaOne and General Manager—Rocky Mountain Division at USWEST from 1994 to 1996. Ms. Elder has acted as a business consultant, subject matter expert and speaker. Ms. Elder has been a Member and then Board Chair of the Management Board of the Stanford University Graduate School of Business since 2012, a member of the Board of Advisors to the Stanford University MSx Program and Steering Committee to Stanford Women on Boards, a member of the Cystic Fibrosis Foundation Board of Trustees as of 2017 and a member of the Board of C-SPAN as of 2018. Ms. Elder served as a member of the Board of Advisors for the Markkula Center for Applied Ethics until January 2019 and as a Board Observer to Phylagen from 2015 to 2017. Ms. Elder received her undergraduate degree from Creighton University and she holds a Master of Science in Management degree from Stanford University, Graduate School of Business. Ms. Elder was selected to serve on our Board of Directors because of her extensive executive and industry experience, in addition to her role as our Chief Executive Officer.