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Management Team

  • Brian Thompson

    H. Brian Thompson

    Founder & Executive Chairman of the Board

    H. Brian Thompson is the founder of GTT and has served as chairman of the company’s board of directors since January 2005 and as its executive chairman since October 2006. From January 2005 until October 2006, Mr. Thompson also served as GTT’s chief executive officer. Mr. Thompson continues to head his own private equity investment and advisory firm, Universal Telecommunications, Inc., focused on start-up companies and consolidations taking place in the information/telecommunications business areas both domestically and internationally. From December 2002 to June 2007, he was chairman of Comsat International, one of the largest independent telecommunications operators serving all of Latin America. He served as chairman and chief executive officer of Global TeleSystems Group, Inc. from March 1999 through September 2000. Mr. Thompson also served as chairman and CEO of LCI International, Inc., from 1991 until its sale to Qwest Communications International, Inc. in June 1998. He became vice chairman of the board for Qwest until his resignation in December 1998. From 1981 to 1990, Mr. Thompson served as executive vice president of MCI Communications Corporation. He currently serves as a member of the board of directors of Pendrell Corporation and Penske Automotive Group, Inc. Mr. Thompson served as the co-chairman for the Americas and is currently on the executive committee of the Global Information Infrastructure Commission, a multinational organization launched in Brussels in 1995 to chart the role of the private sector in the developing global information and telecommunications infrastructure. He serves as a member of the Irish Prime Minister’s Ireland-America Economic Advisory Board. Mr. Thompson received his Master of Business Administration from Harvard’s Business School and holds an undergraduate degree in chemical engineering from the University of Massachusetts.

  • Ernie Ortega

    Ernie Ortega

    Interim CEO & Chief Revenue Officer

    Ernie Ortega is GTT’s interim CEO and chief revenue officer. In this role, Mr. Ortega is responsible for leading the company’s drive to operational excellence and outstanding client experience for GTT’s enterprise, channel, carrier and government clients, as well as overseeing the sales organization. Mr. Ortega brings over 30 years of telecom experience to GTT with a strong record of delivering revenue growth at major companies, including MCI, XO, Cogent and Colt. He has held various C-level roles with leading organizations with responsibility for $400 million to $1.7 billion in revenue. Mr. Ortega was most recently CEO of Towerstream. He has also held the chief revenue officer position at Colt Technology Services, where he had global responsibility for sales, marketing, operations and sales engineering spanning three continents. Before joining Colt, Mr. Ortega was chief revenue officer at Cogent, and prior to that he spent 14 years at XO Communications in leadership positions, including executive vice president of sales and marketing, responsible for the growth of XO’s revenue stream. Mr. Ortega started his career in the telecommunications industry at MCI in various senior management roles.

  • Donna Granato

    Donna Granato

    Interim Chief Financial Officer

    Donna Granato is GTT’s interim chief financial officer, leading GTT’s global finance group, including financial operations, external reporting, investor relations, mergers and acquisitions and all banking and advisory relationships. Ms. Granato joined GTT in June 2020.  Ms Granato has held financial and operational roles of increasing responsibility in such areas as investor relations, corporate finance and mergers and acquisitions. She has deep media and communications experience, having worked at CBS, Viacom, Tribune Company, Interpublic Group, MDC Partners and Omnicom. She also spent two years as a media investment banker at Salomon Smith Barney. Ms. Granato is a certified public accountant. She graduated from Rider University's undergraduate accounting program and earned an MBA from New York University.

  • Douglass Maynard

    Douglass Maynard

    General Counsel

    Douglass Maynard is GTT’s general counsel responsible for all of the company’s legal matters. Mr. Maynard has over 30 years of legal experience as a practicing attorney, federal prosecutor and in-house counsel. Prior to joining GTT, he served as general counsel for Akin Gump Strauss Hauer & Feld LLP, a major international law firm. Mr. Maynard served as Deputy Commissioner for Legal Matters at the New York City Police Department. Earlier in this career, Mr. Maynard served as Assistant United States Attorney, Criminal Division, in the US Attorney’s Office, for the Southern District of New York. He started his career as a litigation associate with Patterson, Belknap, Webb & Tyler LLP. Mr. Maynard received a Bachelor of Arts degree from Yale University and a law degree from New York University School of Law. He serves on the New York City Bar Association Judiciary Committee and is also a member of the Board of Directors of the Ronald McDonald House of the Greater Hudson Valley.

  • Don MacNeil

    Don MacNeil

    Chief Operating Officer

    Don MacNeil is GTT’s chief operating officer responsible for leading GTT’s network operations, service delivery, assurance and vendor management teams, as well as GTT’s product organization. Mr. MacNeil has a track record of delivering successful organizational change and operational improvement for national, international and global businesses. Prior to joining GTT, Mr. MacNeil was CEO at FiberLight, after having served as COO, driving its business of designing, building and optimizing fiber-optic networks. He has held several executive leadership roles over his career including COO, CMO and head of customer operations for managed network provider XO Communications. Mr. MacNeil also served as chief technology officer (CTO) for EdgeConneX, a global data center solutions provider. Mr. MacNeil graduated from the United States Naval Academy, Annapolis, with a Bachelor of Science degree in naval architecture. He went on to serve 27 years in the U.S. Navy, both on active and reserve assignments, attaining the rank of captain. He holds an MBA from the College of William and Mary, Williamsburg, VA, and a Master of Science Physics from the Naval Postgraduate School, Monterey, CA.

  • Frederique Arnold

    Frederique Arnold

    Senior Vice President, Human Resources

    Frederique Arnold is GTT’s senior vice president, human resources. In this role, she leads HR for GTT, overseeing performance management, compensation planning and talent recruitment, as well as HR support for acquisitions, organizational restructuring and change. Ms. Arnold brings 20 years of human resources experience at international companies in the high-technology industry working for high-growth, rapidly changing organizations. Prior to joining GTT in 2018, Ms. Arnold was the senior vice president of human resources at Interoute. She joined Interoute in 2006 as the director of Global Compensation and Benefits and subsequently held a number of leadership roles in the human resources function. Before joining Interoute, Ms. Arnold held several leadership positions at Mentor Graphics, where she specialized in executive and general compensation, mergers and acquisitions, benefits, performance management and employee relations. Ms. Arnold holds a M.Sc. in economics from Louis Pasteur University in Strasbourg, France, and an M.A. in human resources from the University of Law, Economics and Political Science in Dijon, France. 

  • Bob Burris

    Bob Burris

    Senior Vice President, Global Engineering and Operations

    Bob Burris is GTT’s senior vice president, global engineering and operations. Mr. Burris is an industry veteran bringing over 30 years of operational, engineering, and technology experience to the company. Mr. Burris is responsible for all operations and engineering components of the company. Prior to joining GTT, Mr. Burris held vice president level positions at Harris Caprock where he managed the firm’s government transport system and global terrestrial network. Before Caprock, Mr. Burris held senior level management positions at Core 180, Arbinet and Cable and Wireless.

  • Beth Hollenback

    Beth Hollenback

    Senior Vice President, Client Experience

    Beth Hollenback is GTT’s senior vice president, client experience, responsible for driving continuous improvement of the GTT client experience, including setting the strategic direction, collecting client feedback, applying data analytics, and spearheading client advocacy. Ms. Hollenback joined GTT in August 2015 and has led Financial Planning & Analysis (FP&A) plus Billing and Collections. She brings nearly 20 years of telecommunications industry experience to GTT. Prior to joining GTT, she led FP&A at Intelsat. Ms. Hollenback holds a Bachelor of Arts degree in international relations from Stanford University and an MBA in finance from Johns Hopkins University.

  • Corey Eng

    Corey Eng

    Senior Vice President, Product Management and Systems

    Corey Eng is GTT’s senior vice president of product management and systems/business operations, leading GTT’s product strategy and development, software development and systems development worldwide. Mr. Eng is a veteran of the telecommunications industry, bringing over 20 years of management experience to the company. Prior to joining GTT, Mr. Eng was vice president of marketing for Comcast, where he was responsible for business services marketing. Before Comcast, Mr. Eng held several senior level marketing positions with some of the leading telecommunications companies, including Nextel, Broadwing, Winstar, Go Communications and MCI. Mr. Eng received a Masters of Science in Electrical Engineering from the University of Southern California, a Bachelor of Science in Electrical Engineering from Purdue University and an MBA from UCLA.

  • Chris McKee

    Chris McKee

    President of Infrastructure

    Chris McKee is GTT’s president of infrastructure. Mr. McKee has over 20 years of broad legal experience in the telecommunications industry. Prior to joining GTT, he served as general counsel for StarVox Communications where he was responsible for the company’s legal department, mergers and acquisitions, employment law, litigation, and legal support for the sales teams. Mr. McKee also formerly served as vice president and assistant general counsel for Covad Communications where he headed Covad’s Washington DC office and directed the federal and state regulatory compliance and advocacy efforts for the company. Mr. McKee previously worked for XO Communications, Net2000 Communications and was in private practice in Washington DC as an associate at Dickstein Shapiro and Cooley LLP. Mr. McKee also serves as a director of Cool Technologies, which is developing heat dispersion technologies for use in various product platforms worldwide (NASDAQ: WARM). Mr. McKee received a Bachelor of Arts from Colby College and a law degree from Syracuse University.

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