Patrick has more than 20 years' experience as a telecom analyst and strategist. He is Chief Analyst of Heavy Reading, but more specifically covers areas such as mobile backhaul networks and mobile network security. He also authors Heavy Reading's Ethernet Backhaul Market Tracker. Patrick chairs Light Reading's Mobile Network Security Strategies conference series and is co-chair of the Backhaul Strategies for Mobile Operators conference series. Patrick joined Heavy Reading in 2005 after five years at Nortel Networks, where he was a senior manager of strategic planning for the company's wireless business – spanning GSM, CDMA, UMTS, WiMax, and other wireless technologies. Prior to Nortel, he spent two years in business research for Motorola's Corporate Strategy Office in EMEA and two years as a wireless analyst for the Yankee Group. As a journalist, he was deputy editor of Public Network Europe from 1990-1995 and editor of Mobile Communications International from 1995-1997. Patrick holds a B.A. in industrial relations and politics from the University of Kent at Canterbury. He is based in the U.K.
Sterling has more than 15 years' experience in telecommunications as an industry analyst and journalist. His coverage area at Heavy Reading is optical networking, including packet-optical transport. He also authors Heavy Reading's Packet-Enabled Optical Networking Market Tracker and Next-Gen Core Packet-Optical Market Tracker. Sterling joined Heavy Reading after five years at IDC, where he served as lead optical networks analyst, responsible for the firm's optical networking subscription research and custom consulting activities. Prior to IDC, Sterling worked for Standard & Poor's, where he delivered global industry analysis on a range of IT segments. He is a former journalist and editor at Telecommunications Magazine, and has also done consulting work for the research firm Current Analysis. Sterling is a frequent speaker at telecom industry events and a highly sought-after source among the business and trade press.
Jim leads Heavy Reading’s research on the impact of SDN, NFV and D-NFV on the control plane and application layers at the core and edge. This includes the evolution path of SIP applications, unified communications (UC), IP Multimedia Subsystem (IMS), session border controllers (SBCs), Diameter signaling controllers (DSCs), IP exchange (IPX) and WebRTC. Jim is also focused on the impact of NFV and SDN on data center application delivery controllers (ADCs). He authors Heavy Reading's NFV and SDN Market Trackers. Other areas of research coverage include subscriber data management (SDM), policy control, fixed-line TDM replacement and managed services evolution. Jim joined Heavy Reading from Nortel Networks, where he tracked the VoIP and application server market landscape and was a key contributor to the development of Wireless Intelligent Network (WIN) standards. Additional technical experience was gained with Bell Canada, where he performed IN and SS7 network planning, numbering administration, technical model forecast creation and definition of regulatory-based interconnection models. Jim is based in Ottawa, Canada.
Gabriel covers the mobile network system architecture, including evolution of the RAN, the mobile core, and service-layer platforms and applications. Key technologies in his coverage area include LTE Advanced, small cells, Evolved Packet Core, carrier WiFi and software-centric networking technologies such as NFV, SDN and service chaining. Gabriel has covered mobile networking since 1998 through published research, live events, operator surveys and custom consulting. Prior to joining Heavy Reading, Gabriel was Chief Analyst for Light Reading Insider research service; before that, he was editor of IP Wireline and Wireless Week at London's Euromoney Institutional Investor. He is based in London.
Caroline leads Heavy Reading's research into service provider cloud adoption for internal IT, enterprise service delivery and network functions virtualization (NFV) purposes. She also covers technologies that support telco application development and delivery and customer experience management. Caroline is currently tracking the impact of SDN and NFV on telecom organizations and has a major interest in the new architectures and management systems needed for operating SDN and NFV-based networks. Caroline has more than 25 years' experience researching and writing about the information and communications technology industry for global analyst firms and publications, and has led major research projects for communications service providers, vendors, financial institutions and government bodies. She is an authority on the global wholesale telecom industry, and her work synthesizes a broad understanding of technology innovation with a deep knowledge of telecom market dynamics. Caroline is based in the U.K.
Roz has nearly 20 years' experience in market research, marketing and product management. She focuses on how innovation and change are impacting the compute, network and storage infrastructure domains, with particular emphasis on trends such as virtualization, componentization and convergence. Roz joined Heavy Reading following eight years at OSS Observer and Analysys Mason, where she most recently managed its Middle East and Africa regional program, and prior to that, its Infrastructure Solutions and Communications Service Provider programs. She spent five years at RHK, where she ran the Switching and Routing and Business Communication Services programs. Prior to becoming an analyst, she worked at Motorola on IT product development and radio and mobile phone product management. Roz holds a B.A. in English from the University of Massachusetts Amherst and an M.B.A. in marketing, management and international business from the J. L. Kellogg Graduate School of Management at Northwestern University. She is based in Chicago.
Steve's coverage at Heavy Reading includes the Internet of Things (IoT) and related technologies, focusing on the evolution of the mobile Internet and its impact on digital life. Steve joins Heavy Reading with more than two decades of experience as a strategy, marketing and technology advisor, analyst, speaker and commentator on the mobile Internet and the emerging IoT space. He previously worked with Motorola in Germany, the U.K. and the U.S., where he led technology roadmapping, strategy, product and business development teams that developed 2G, 3G and 4G cellular devices for the global market. In addition, Steve is an entrepreneur who has founded two companies: KeySo Global LLC, an analysis and advisory firm specializing in strategy, marketing and innovation, with a focus on mobile technology; and My City Tag LLC, a digital city services platform with an initial market focus on parking. Steve holds a First Class B.A. Honors degree in Business from Kingston University, England.
Teresa Mastrangelo, a 28-year veteran of the telecommunications industry, recently joined Heavy Reading as a Senior Analyst. She is regarded as one of the leading analysts covering network transformation, fixed and mobile broadband infrastructure and services, Smart Services as well as policy and customer experience management of these services. She was previously the founder of Broadbandtrends, an independent analyst firm. Prior to Broadbandtrends, Teresa held senior level product marketing and product management positions with, Cisco Systems, Advanced Fibre Communications (now part of Tellabs) and NEC America and started her career as a Telecommunication Engineer with Appalachian Power Company. Teresa was awarded her BS in Electrical Engineering from Virginia Polytechnic Institute in 1987. Post-graduate work includes The Management Institute at Roanoke College as well as executive programs at Penn State University.
Guy Zibi is Founder and Managing Director of Xalam Analytics, a research and analytics initiative with Light Reading LLC focused on Africa/Middle East ICT and enterprise markets. Guy has more than a decade-long experience in researching and analyzing the business of technology in developed and developing economies around the world. He was previously Co-Founder and Managing Director with AfricaNext Investment Research, an Africa-focused telecom equity research firm, where he led financial analysis on African technology assets and managed projects around carrier due diligence, wholesale capacity markets and new carrier models. Guy is widely recognized as a leading expert in TMT markets in growth economies. He was previously Head of Pyramid Research’s Global Consulting Practice and Director of EMEA Research. In those roles, Guy managed a team of consultants tasked with developing and executing the company’s research into new technologies and innovative business models at a global level (Cloud, OTT, VoIP, enterprise, infrastructure bandwidth, mobile profitability in emerging markets). He also acted as the lead consultant for due diligence projects in Africa/Middle East on the buy and lending sides, spearheading financial and operational due diligence projects on the operations of fiber, mobile, fixed and Internet services providers in emerging markets.
Simon is Founder and Principal Consultant at Earlswood Marketing Ltd., an independent market analyst and consulting company based in the U.K. His recent work has included investment due diligence, market analysis for investors and business/product strategy for semiconductor companies. Simon has written extensively for Heavy Reading and Light Reading, and he authors the bimonthly Heavy Reading Components Insider research newsletter, covering the latest developments in telecom silicon and subsystems. His reports and Webinars cover a variety of communications-related subjects, including SDN/NFV, LTE, 40G/100G/400G components, ATCA, MicroTCA, multicore processors, switch fabric chipsets, network processors and packet-optical silicon. He has also run several Light Reading events covering next-generation networking components and ATCA. Simon holds a Bachelor's in Electronic and Electrical Engineering from Brunel University, London.
Alan covers the cable TV technology and IP video infrastructure markets, including cable MSO networks and services. In particular, he tracks the markets for new cable and broad-band access technologies, including Docsis 3.0 and 3.1, CCAP, EPON, IPv6, IP video, switched digital video, RFoG, DPoE and EPoC. Formerly a contributing analyst at Kinetic Strategies and One Touch Intelligence, Alan has covered the cable, telecom, broadband, media and consumer electronics industries for more than 20 years. As a business technology journalist, he previously reported for Light Reading Cable, Cable Digital News, Communications Daily, Multichannel News, Cable World and Communications Technology magazine. He is based in the Toronto area.
Simon is an independent consultant who contributes regularly to Heavy Reading, including authoring the Carrier Ethernet Switch/Router Market Tracker and Carrier Ethernet Access Platform Market Tracker. He has 13 years' experience analyzing, reporting, and consulting on technology market trends. Simon is the founder of his own research and consulting company, Innovation Observatory, and previously managed a business unit within a large telecom-focused research and consultancy company, delivering customized research for individual clients. He has also hosted a number of Webinars on behalf of Light Reading, covering topics such as MPLS, PBT, Ethernet over copper, GPON, net neutrality, SIP, video compression and IPTV infrastructure.
Danny is an analyst and consultant with more than 20 years' experience in technology markets. He contributes regularly to Heavy Reading Insider. Danny began his career in academic publishing before moving into marketing communications consultancy in the telecom equipment sector. For seven years, he tracked the telecom IT and OSS/BSS market for Analysys Research, while directing single-client research studies for organizations throughout the telecom sector.
Craig is a veteran cable industry writer, speaker and market analyst, and a regular contributor to Heavy Reading Cable Industry Insider. Based outside New York, Craig founded Interactive TV Works Inc. to promote understanding and drive deployment of advanced digital services. He is a former editor of Cablevision Magazine, senior market analyst for The Myers Group, news editor of Television Week, and contributing editor for Multichannel News. He teaches the popular industry courses "How Cable Goes to Market" and "WICT Cable Boot Camp." Through strategic consulting, Craig has helped dozens of major companies to gain a better understanding of digital media opportunities.
Denise is the author of Heavy Reading IP Services Insider and often contributes to Heavy Reading Insider, focusing on the implementation of business-class services. Denise began her career in technology journalism in 1996, serving most recently as markets editor of The Net Economy, a biweekly publication that covered the North American service provider market. Prior to that, she was a freelance writer for Interactive Week, tele.com, Wireless Review, Intelecard News, Perspectives on Public Communication and other technology and trade magazines. She is a past winner of the American Business Media Association's Jesse Neal Award for editorial achievement and a graduate of Texas A&M University.
Tim tracks wireless markets and technologies, contributing to both Heavy Reading Mobile Networks Insider and Heavy Reading Cable Industry Insider. He began covering wireless technology in 1998 as a staff writer, and subsequently technology editor, at Wireless Review, where he wrote about RF and SS7 engineering. In August 2000, he joined The Net Economy, where he covered the technology and business strategy behind cellular/PCS, LMDS, MMDS, free-space optics, and 802.11. As an independent analyst, he covered the wireless industry for firms such as Current Analysis, iGillott Research and Probe Research, as well as for magazines including Laptop, Mobile Enterprise and Tech Edge. He has also authored white papers for several vendors and trade associations on topics such as telemetry, EDGE, over-the-air firmware upgrades and 802.11. Tim is a graduate of the University of Missouri.
Steve has covered the North American carrier industry for 25 years – nearly half that time for Gartner, where he was a principal analyst. For Heavy Reading, he has covered public Ethernet and IP voice, coverage areas he launched for Gartner Dataquest. As an analyst, he has focused on market forecasting and analysis, issues of industry structure, convergence and public policy, and next-generation (IP voice and optical services, including public Ethernet) as well as legacy (voice, private line, wholesaling) services. Steve holds a B.A. in sociology from the University of Michigan at Ann Arbor and a master's degree in public policy from the University of California at Berkeley.
James has been a research analyst covering telecom and technology companies for industry research houses and investment banks for the last 15 years. He has written a number of reports for Heavy Reading, including studies on Chinese and European telecom equipment makers, DPI, EFM, IMS, IPTV, MMORPGs and SANs. When James isn't writing about telecom acronyms, he likes to relax by reading telecom operator cash flow statements.
Graham has been researching telecommunications for more than 20 years, formerly as a journalist and latterly as an analyst and consultant. He served as Chief Analyst of Heavy Reading from February 2007 until December 2014, and has since moved into a consulting role. Since joining Heavy Reading in September 2004, following a ten-year tenure at the Yankee Group, Graham has been responsible for a wide range of research, focusing primarily on next-generation broadband services and IMS. He has also hosted numerous Webinars and Live events for Light Reading, and is a regular speaker at other major industry events. As a journalist, Graham was formerly editor-in-chief of the award-winning industry paper Communications Week International and has edited several other leading trade publications. He is based in the U.K.
Dennis Mendyk: Vice President of Research
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