S. Douglas Hutcheson
, 62, has been a director of the company since July 2014, and he
assumed the role of Chairman of the Board in June 2015. Since 2015, Mr. Hutcheson has served as a senior advisor of Technology, Media and Telecom (TMT) for Searchlight Capital, a global private investment firm. From March 2014 through May 2017,
Mr. Hutcheson served as CEO and a director of Laser, Inc., a corporation created in connection with the acquisition of Leap Wireless International, Inc. (Leap Wireless), a wireless communications carrier, by AT&T in March 2014.
Prior to March 2014, Mr. Hutcheson served as CEO of Leap Wireless and its operating subsidiary, Cricket Communications, for nine years, where he was responsible for developing and implementing strategy, all operations, and the oversight of all
relationships and partnerships. Before serving as CEO, Mr. Hutcheson held other executive positions at Leap Wireless, including President and Chief Financial Officer. Prior to joining Leap Wireless, he was Vice President of Marketing in the
wireless infrastructure division at Qualcomm for three years, where he led multiple teams. Since 2012, Mr. Hutcheson has also served on the board of directors of Pitney Bowes Inc., and currently serves on the audit and finance committees of
such board. He previously served on the board of directors of Leap Wireless from 2005 to 2014. The Board has concluded that Mr. Hutcheson should serve as a director of the company because, with his significant operational and financial
expertise as an experienced former chief executive officer of a wireless communications company and his broad business background, which includes strategic planning and product and business development and marketing, he brings valuable insight that
is needed to evolve and execute the companys strategy.
John A. Kritzmacher
, 57, has been a director of the company since
June 2009. Since 2013, Mr. Kritzmacher has served as Executive Vice President and Chief Financial Officer of John Wiley & Sons, Inc., a global provider of knowledge and knowledge-based services in the areas of research, professional
development and education. From October 2012 through February 2013, Mr. Kritzmacher served as Senior Vice President Business Operations and Organizational Planning at WebMD Health Corp., a leading provider of health information services, where
Mr. Kritzmacher was responsible for leading a major restructuring initiative. Previously, Mr. Kritzmacher served as Executive Vice President and Chief Financial Officer of Global Crossing Limited (Global Crossing), a global
provider of
IP-based
telecommunications solutions, from October 2008 to October 2011, when Global Crossing was acquired by Level 3 Communications, Inc. Prior to that, Mr. Kritzmacher rose through a
variety of positions with increasing responsibility, including Senior Vice President and Corporate Controller, during his 10 years at Lucent Technologies Inc. (Lucent), a provider of telecommunications systems and services, to
become Chief Financial Officer in 2006. After playing a leading role in the planning and execution of Lucents merger with Alcatel in 2006, Mr. Kritzmacher became Chief Operating Officer of the Services Business Group at Alcatel-Lucent
until joining Global Crossing in 2008. The Board has concluded that Mr. Kritzmacher should serve as a director of the company because he is a veteran of the telecommunications and high technology industries with extensive operational and
leadership experience and financial expertise. As such, Mr. Kritzmacher contributes valuable advice and guidance, especially with respect to complex financial and accounting issues, and qualifies as an audit committee financial expert.
John D. Markley, Jr.
, 52, has been a director of the company since November 2016. Since 2014, Mr. Markley has served as Managing
Partner and
Co-Founder
of New Amsterdam Growth Capital, a growth equity firm focused on the cloud computing, mobile and communications infrastructure sectors. In addition, since 2009, he has been a Managing
Member of Bear Creek Capital Management, an investor in communications, media and technology companies. From 1996 to 2009, he was a partner with Columbia Capital, a venture capital firm, where he served in a number of capacities including partner,
venture partner and portfolio company executive. Prior to Columbia Capital, Mr. Markley served as a policy advisor at the Federal Communications Commission from 1994 to 1996, where he and his team were instrumental in developing and launching
the commercial spectrum auction process. Mr. Markley has also been a director of Charter Communications, Inc., since 2009, currently serving as chair of its nominating and corporate governance committee and as a member of its audit committee.
He previously served on the boards of directors of Millennial Media, Inc., from 2006 to 2014, and of BroadSoft, Inc., from 2002 until its acquisition by Cisco Systems, Inc. in February 2018. The Board has concluded that Mr. Markley should serve
as a director of the company based on his private equity and operating experience and his extensive experience with communications, media and technology companies,