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    Board of Directors


Brian D. McAuley


Mr. McAuley has served as our Chairman of the Board since August 2004. Mr. McAuley is a co-founder of Nextel Communications, Inc. and held senior executive positions at Nextel from its inception in 1987 until 1996, including seven years as President and Chief Executive Officer. Upon leaving Nextel, he joined Imagine Tile, Inc., a custom tile manufacturer, where he served as Chairman and Chief Executive Officer from 1996 to 1999. Read More


Morgan O’Brien

Chief Executive Officer

Mr. O’Brien has served as our Chief Executive Officer since April 2018. He has also served as a member of our Board since April 2012, and as Vice Chairman from May 2014 to April 2018. In April 2018, Mr. O’Brien transitioned to serving as our Chief Executive Officer. From January 2009 to present, Mr. O’Brien has served as an independent consultant to several wireless start-ups and until June 2017 served as a member of the board of directors of GTT Communications, Inc. (NYSE: GTT). Read More


Paul Saleh

Independent Director

Mr. Saleh has served as a director since December 2016. Mr. Saleh currently serves as Executive Vice President and Chief Financial Officer of DXC Technology (NYSE: DXC), which was formed in 2017 from the merger of Computer Sciences (“CSC”) and Hewlett Packard Enterprise Services. Previously Mr. Saleh served as Executive Vice President and Chief Financial Officer for CSC since 2012. Read More


T. Clark Akers

Independent Director

Mr. Akers joined our Board upon the completion of our June 2014 private placement. He has been a Managing Director, SBIC Funds Placement Division at FBR & Co., a Washington, D.C. based investment banking firm, since September 2015. His responsibilities at FBR & Co. include raising capital for Small Business Investment Company (SBIC) funds for experienced U.S. investment managers. Read More


Mark Hennessy

Independent Director

Mr. Hennessy has served as a member of our Board since May 2017 and as our Lead Independent Director since June 2018. Mr. Hennessy retired in December 2015 after a 34-year career at IBM where he served in a number of executive management and leadership positions. During his tenure at IBM, he was responsible for global integration initiatives and technology operations focused on innovation and growth. Read More


Greg W. Cominos

Independent Director

Mr. Cominos has served as a member of our Board since August 2018. Mr. Cominos is a 32-year veteran of both the power and the oil and gas industries, most recently serving as Executive Vice President of Benchmark Electronics Corporation (NYSE: BHE). Read More


Singleton B. McAllister

Independent Director

Ms. McAllister has served as a member of our Board since August 2018. Ms. McAllister is currently serving as Counsel at the law firm Husch Blackwell, LLP. Before joining Husch Blackwell in May 2014, Ms. McAllister served as a partner in the law firms of Williams Mullen from 2012 to 2014, Blank Rome LLP from 2010 to 2012 and LeClairRyan from 2007 to 2010. Read More


Greg Haller

Independent Director

Mr. Haller has served as a member of our Board since November 2018. He has more than 30 years of experience serving as a senior executive in the wireless and telecommunication services industries. Since July 2018, he has served as the chief operating officer at Alorica, Inc., a leading customer relationships management company. Read More