Andrew M. Geisse joined the board of directors in 2015. Mr. Geisse held several key senior executive leadership positions at AT&T, and from 2012 until his retirement in 2014, he served as Chief Executive Officer of AT&T Business Solutions where he was responsible for leading worldwide sales, operations and marketing for business customers. Prior to that, Mr. Geisse was Executive Vice President of AT&T’s Global Customer Service operations group, and from 2004 to 2007, he served as the Chief Information Officer of AT&T.
Earlier in his career, Mr. Geisse served as CEO of VTR Cellular and Chairman and CEO of STARTEL – both Chilean wireless providers partially owned by AT&T. Mr. Geisse is an advisor to the board of directors of Netnumber, Inc., a private company, and an Executive-In-Residence to Bessemer Venture Partners.