Leading Experts in Communications Equipment Experts

William Gewirtz

Principal
WLG Consulting

          What is a GLG Leader?|The Gerson Lehrman Group&reg; (GLG) Leader Program<sup>SM</sup> is our premium Member Program<sup>SM</sup>. Those identified as GLG Leaders are in the top 5% of GLG CouncilRank and have an exclusivity agreement with GLG.

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?|The Gerson Lehrman Group&reg; (GLG) Leader Program<sup>SM</sup> is our premium Member Program<sup>SM</sup>. Those identified as GLG Leaders are in the top 5% of GLG CouncilRank and have an exclusivity agreement with GLG.

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...

Richard Grenier

Independent Consultant
Independent Consultant - Richard Grenier

          What is a GLG Leader?|The Gerson Lehrman Group&reg; (GLG) Leader Program<sup>SM</sup> is our premium Member Program<sup>SM</sup>. Those identified as GLG Leaders are in the top 5% of GLG CouncilRank and have an exclusivity agreement with GLG.

Mr. Grenier is an independent Technology Consultant with over 20 years of engineering design and management experience in Semiconductor, CPU, and Systems design. Previous consulting work includes Qualcomm, Sony, Xelerated, Enigma, and IBM. Former employers...

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

Program Leader-Emerging Communications Solutions
FROST & SULLIVAN, INC
What is a GLG Scholar?|GLG Scholar denotes Council Members with a CouncilRank(SM) in the top 20%.

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,...

Linley Gwennap, Principal Analyst, THE LINLEY GROUP INCLinley Gwennap

Principal Analyst
THE LINLEY GROUP INC

          What is a GLG Leader?|The Gerson Lehrman Group&reg; (GLG) Leader Program<sup>SM</sup> is our premium Member Program<sup>SM</sup>. Those identified as GLG Leaders are in the top 5% of GLG CouncilRank and have an exclusivity agreement with GLG.

Linley Gwennap is Principal Analyst at The Linley Group Inc., a technology analysis firm specializing in communication silicon chips. He is also editorial director of Microprocessor Report, an award-winning newsletter for the semiconductor industry. After...

Nick Hamilton-Piercy, Independent Consultant, Nick Hamilton-Piercy Nick Hamilton-Piercy

Independent Consultant
Nick Hamilton-Piercy

          What is a GLG Leader?|The Gerson Lehrman Group&reg; (GLG) Leader Program<sup>SM</sup> is our premium Member Program<sup>SM</sup>. Those identified as GLG Leaders are in the top 5% of GLG CouncilRank and have an exclusivity agreement with GLG.

Nick Hamilton-Piercy is recently retired as a Senior Technology Advisor at Rogers Communications, a cellular wireless and cable provider/ MSO. There he was responsible for advising the corporation on broadband and video related technology directions and...

Mike Heller, Principal, Mike HellerMike Heller

Principal
Mike Heller

          What is a GLG Leader?|The Gerson Lehrman Group&reg; (GLG) Leader Program<sup>SM</sup> is our premium Member Program<sup>SM</sup>. Those identified as GLG Leaders are in the top 5% of GLG CouncilRank and have an exclusivity agreement with GLG.

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...

Michael Horsch Fizz, Principal Advisor, FCI Inc.Michael Horsch Fizz

Principal Advisor
FCI Inc.

          What is a GLG Leader?|The Gerson Lehrman Group&reg; (GLG) Leader Program<sup>SM</sup> is our premium Member Program<sup>SM</sup>. Those identified as GLG Leaders are in the top 5% of GLG CouncilRank and have an exclusivity agreement with GLG.

Michael Horsch Fizz is a Principal Advisor at FCI, a company providing system integration and strategy consulting services. Mr. Fizz specializes in monitoring and predicting industry trends coupled with quantitative and qualitative reviews of technology...

Michael Howard, Principal Analyst, INFONETICS RESEARCH, INC.Michael Howard

Principal Analyst
INFONETICS RESEARCH, 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.

Michael Howard has 40 years of communications industry experience, including 20 years in market research. Michael is recognized worldwide as one of the industry's leading experts in emerging markets, service provider network market trends, and user buying...

Mazhar Hussain

Consultant
MAZHAR HUSSAIN

          What is a GLG Leader?|The Gerson Lehrman Group&reg; (GLG) Leader Program<sup>SM</sup> is our premium Member Program<sup>SM</sup>. Those identified as GLG Leaders are in the top 5% of GLG CouncilRank and have an exclusivity agreement with GLG.

Mazhar Hussain is an independent technology consultant. He has over 18 years of experience in telecom infrastructure, wireless, handsets, semiconductor, Wi-Fi, Wi-Max, broadband DSL, Cable, WLAN and 3G, and networking. Previously, he was Senior Director-...

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