Gerson Lehrman Group - Intelligently Connecting Institutions and Expertise.

Leading Experts in FTTx (Fiber to the X) Business Trend Experts

Mark Casey

President
CFN Services, Inc.
What is a GLG Leader?|GLG Leaders are a separate tier of Council Members with a Council Rank in the top 5%. These GLG Member Program participants are eligible for ongoing, in-depth consultative relationships with GLG clients.

Mark Casey is the President of CFN Services, formerly CSX Fiber Networks, a subsidiary of Fortune 250 railroad operator CSX where he was VP/General Manager of the subsidiary. CFN Services is a telecom infrastructure provider specializing in local access...

William Dever

President
SPARK INTERACTIVE INC
What is a GLG Leader?|GLG Leaders are a separate tier of Council Members with a Council Rank in the top 5%. These GLG Member Program participants are eligible for ongoing, in-depth consultative relationships with GLG clients.

William Dever is the President at Spark Interactive, a managed service provider. He specializes in deployment of interactive television services in Metropolitan Indianapolis utilizing AT&T Dark Fiber. <br/><br/> Mr. Dever is experienced in the development...

Steve Fortuna, President, Fortuna ConsultantsSteve Fortuna

President
Fortuna Consultants
What is a GLG Leader?|GLG Leaders are a separate tier of Council Members with a Council Rank in the top 5%. These GLG Member Program participants are eligible for ongoing, in-depth consultative relationships with GLG clients.

Steve Fortuna is the President of Fortuna Consultants, providing consulting engineering and feasibility studies to the telecommunications industry. Previously, he was a Network Architect with Charter Communications since October 2007. He has more than...

William Gewirtz

Principal
WLG Consulting
What is a GLG Leader?|GLG Leaders are a separate tier of Council Members with a Council Rank in the top 5%. These GLG Member Program participants are eligible for ongoing, in-depth consultative relationships with GLG clients.

William Gewirtz, Ph.D., is the Lead Partner of Communications and Networking at the Market Strategy Group, a management consultancy. He is also the Principal of WLG Consulting, a company providing consulting services to operating and investment entities...

Samuel Greenholtz, Principal, Telecom PragmaticsSamuel Greenholtz

Principal
Telecom Pragmatics
What is a GLG Leader?|GLG Leaders are a separate tier of Council Members with a Council Rank in the top 5%. These GLG Member Program participants are eligible for ongoing, in-depth consultative relationships with GLG clients.

Sam Greenholtz is a retired manager from Verizon and the Co Founder and Principal of Telecom Pragmatics, a consulting and research firm specializing in the telecommunications market. He has expertise in FTTx, optical networking, VoIP, Ethernet and wireless...

Ronald Gruia, Program Leader-Emerging Communications Solutions &, FROST & SULLIVAN, INCRonald Gruia

Program Leader-Emerging Communications Solutions &
FROST & SULLIVAN, INC
What is a GLG Educator?|GLG Educators have qualified for GLG Member Programs and are therefore eligible to participate in ongoing in-depth consulting projects with GLG clients.

Ronald Gruia is Principal Analyst and Program Leader for Emerging Telecoms at Frost & Sullivan, Inc. He covers topics such as NGN transitional technologies, 4G, IMS (IP Multimedia Subsystems), FMC, VoIP, Carrier Messaging/Value Added Services Platforms,...

Mike Heller, Principal, Mike HellerMike Heller

Principal
Mike Heller
What is a GLG Leader?|GLG Leaders are a separate tier of Council Members with a Council Rank in the top 5%. These GLG Member Program participants are eligible for ongoing, in-depth consultative relationships with GLG clients.

Mike Heller is a senior technology and business consultant, with recent work for Cisco Systems and other high-tech firms. He is also a former full-time employee of Cisco, where he worked for 8 years. Previously, he has worked at HP, AT&T, Bell Labs, and...

Jeff Heynen, Directing Analyst, INFONETICS RESEARCH, INC.Jeff Heynen

Directing Analyst
INFONETICS RESEARCH, INC.
What is a GLG Scholar?|GLG Scholar denotes Council Members with a CouncilRank(SM) in the top 20%.

Jeff Heynen is the Directing Analyst of Broadband and IPTV/Cable Video for Infonetics, an international market research and consulting firm specializing in data networking and telecommunications. Jeff tracks broadband technologies, including DSL, FTTH,...

Donald Holcombe, Area Manager, QWEST COMMUNICATIONS INTERNATIONAL INCDonald Holcombe

Area Manager
QWEST COMMUNICATIONS INTERNATIONAL INC
What is a GLG Leader?|GLG Leaders are a separate tier of Council Members with a Council Rank in the top 5%. These GLG Member Program participants are eligible for ongoing, in-depth consultative relationships with GLG clients.

Donald S. Holcombe is an Area Manager of Virginia, Maryland, and Washington D.C. Field Operations with Qwest Communications. He has 23 years of experience in the telecommunications field involving equipment design, installation and maintenance. He is...

Joseph Holop, Senior Vice President and Chief Technology Officer, TELSCAPE COMMUNICATIONSJoseph Holop

Senior Vice President and Chief Technology Officer
TELSCAPE COMMUNICATIONS
What is a GLG Leader?|GLG Leaders are a separate tier of Council Members with a Council Rank in the top 5%. These GLG Member Program participants are eligible for ongoing, in-depth consultative relationships with GLG clients.

Joseph Holop is the Senior Vice President and Chief Technology Officer of Telscape Communications, a competitive local exchange carrier. Mr. Holop is responsible for IT development, IT infrastructure, Engineering, Network, Switching and Field Operations....

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