Greg Collins joined Dell'Oro Group in 1998 and is responsible for Dell’Oro Group's IP Telephony Carrier and Set-top Box programs. He also manages our Mobility Infrastructure program.

Prior to joining Dell’Oro Group, Mr. Collins was the Director-Assistant Business Manager for Newbridge Networks' North American LAN Sales Division, where he was responsible for financial planning and controls, revenue planning and forecasting, sales compensation, and operations for the Division. Mr. Collins joined Newbridge from UB Networks via acquisition. While at UB, he held financial management positions supporting the worldwide sales and marketing functions. Mr. Collins joined UB Networks from Tandem Computers, where he held positions in Investor Relations and Corporate Financial Planning.

Mr. Collins also worked as a Research Analyst for the Committee for Economic Development, a Washington D.C.-based think tank that conducts research on a variety of economic, public policy, and economic development issues.

Mr. Collins contributes articles to various publications, such as Telecom Asia , and is frequently quoted in leading trade and business publications, including Business Week, InfoWorld, InformationWeek, Network World, TechNewsWorld, TechWorld, and Unstrung. He is a frequent speaker at industry events worldwide such as, Mobile Business Expo, Interop, MIT-Stanford Venture Lab, NGN, NetEvents, and VoiceCon.

Mr. Collins received a B.S. degree in Economics from Carnegie Mellon University and an M.B.A. in Finance and Marketing from Washington University in St. Louis.

Seamus Crehan joined Dell'Oro Group in 2000 and is responsible for Dell'Oro Group’s Carrier Ethernet and Network Adapters market research programs, and manages the Ethernet Switch program.

Mr. Crehan's research in the field of telecommunications and networking is the most extensive in the analyst industry. Mr. Crehan came to Dell’Oro Group from Intel Corporation, where he was an Analyst in three different product groups – Desktop, Consumer, and Home – before moving into Intel's main Research and Development Group.

Mr. Crehan is recognized as a market expert and has made presentations and moderated at numerous conferences, including DesignCon, Interop, NXTComm and various investor technology conferences. Mr. Crehan has contributed industry commentary to many technical and business publications, including Business Week, CBS MarketWatch, Financial Times, Investor’s Business Daily, Lightwave, Network World, PCWorld, San Francisco Chronicle, and The Wall Street Journal. He frequently authors articles in LANLine and Telecom Asia.

Mr. Crehan holds a B.S. in Economics from Stanford University and an M.B.A. from Santa Clara University.

Tam Dell’Oro is the founder and president of Dell’Oro Group, a research and consulting firm that specializes in business planning and strategic competitive analysis in the networking and telecommunications industry.  She developed the Dell’Oro Group research methodologies and customer-focused processes to deliver the highest quality data network and telecom research. Under her leadership, Dell’Oro Group is now considered the “gold standard” of market research in the telecommunications industry. Ms. Dell’Oro covers the Storage Area Networking (SAN) market.

Before launching the firm in April 1995, Ms. Dell’Oro was the industry analyst for Local Area Networks at Dataquest. She joined Dataquest from SynOptics (which was acquired by Bay Networks and subsequently became part of Nortel), where she spent four years in Business Planning. At SynOptics, she developed a competitive analysis program to evaluate the strategic performance of key companies in the networking industry. Prior to SynOptics, Ms. Dell’Oro administered technical contracts at a nuclear generating station with Bechtel Construction Corporation, as well as military aerospace contracts with the General Electric Company.

Ms. Dell’Oro is frequently quoted in vendor press releases and trade and business publications, including Barron’s Online, Business Week, Forbes, Information Week, Network World, San Francisco Chronicle, and The Wall Street Journal. She speaks frequently at industry forums, including Interop, NetEvents, TieCon, and various investor technology conferences.

Ms. Dell’Oro received a B.S. degree in International Business from Santa Clara University and an M.B.A. in Strategy and Marketing from the University of Chicago.

Ben Kwan joined Dell’Oro Group in 2008 and covers our Wireless LAN market research program.

Prior to joining Dell’Oro Group, Mr. Kwan was Manager of Business and Operations for Mobile Content Networks, a provider of mobile search services, where he led strategic initiatives in areas of profitability analysis, forecasting, and competitive pricing. Mr. Kwan began his career at Cisco Systems where he spent four years as a Program Manager and IT Engineer analyzing business processes and developing analytics to enable real-time reporting of business performance. In addition, Mr. Kwan has held business development and analysis positions with healthcare companies in the U.S. and China.

Mr. Kwan received a B.S. in Business Administration, with a concentration in Management Information Systems, from California Polytechnic State University, and an M.B.A in Marketing from Indiana University. 

Steve Nozik is responsible for Dell’Oro Group’s Access market research program.

Mr. Nozik brings to Dell’Oro Group more than 24 years of financial management, business planning, product management, and engineering experience.  Mr. Nozik is a widely quoted analyst and speaker, valued for his insights and expertise regarding industry structure and trends.

Prior to joining Dell’Oro Group, he was Group Controller for the Service Sales and OEM Software Sales organizations for Sun Microsystems.  In this capacity, he was responsible for structuring sales transactions, financial planning and analysis, sales compensation, order administration, and credit/collections.  Prior to Sun, Mr. Nozik spent more than 12 years working for Amdahl Corporation, where his roles included Product Manager, Finance Manager, Business Planner, and Financial Analyst.  Mr. Nozik also worked for Motorola for three years in various financial analyst roles in the Computer Systems group. 

Graduating magna cum laude from Tufts University, Mr. Nozik earned a B.S. degree in Chemical Engineering.  He received his M.B.A. in Finance from the University of California, Berkeley.

Scott Siegler joined Dell’Oro Group in 2007 and covers the Mobility Infrastructure market research program.

Prior to joining Dell’Oro Group, Mr. Siegler was a Senior Associate with Trident Consulting Group, where he consulted on various financial and economic matters, including business valuations, transfer pricing, and corporate restructurings. Prior to Trident, Mr. Siegler spent over six years with Applied Micro Circuits Corporation (AMCC), as a Program Manager and as a Software Engineer, where he was responsible for writing software to simulate AMCC’s network processor and switching ASICs. Mr. Siegler began his career with Tandem Computers as a Software Engineer responsible for developing diagnostic and verification software for Tandem’s fault tolerant systems.

Mr. Siegler received a B.S. degree in Electrical and Computer Engineering from Carnegie Mellon University and an M.B.A. in Finance from Santa Clara University.

Shin Umeda covers the Routers and Carrier Ethernet market research programs and manages the Optical Transport market research program.

Mr. Umeda joined Dell’Oro Group in 2000, bringing extensive experience in financial and operations planning and analysis. Prior to joining Dell’Oro Group, Mr. Umeda worked for Nortel Networks for eight years, where he was the Management Reporting Manager for the Bay Networks Line of Business. He joined Nortel Networks through the acquisition of Bay Networks, where he held financial management positions in Corporate Management Reporting, Hub and Switch Product Business Unit Finance, and Business Operations and Planning. Mr. Umeda also worked for SynOptics Communications, prior to its merger with Wellfleet Communications to form Bay Networks.

Earlier in his career, at Amdahl Corporation, Mr. Umeda held financial analyst positions in the manufacturing organization, the Peripheral Products Division, and the Communications Products Division.

Mr. Umeda’s research and analysis has been widely cited in leading trade and business publications including the Business Week, Bloomberg, Network World, The Economist, The New York Times, TheStreet.com, and The Wall Street Journal. He has appeared as an invited speaker at industry conferences, investor conferences, customer seminars, and sales meetings around the world.

Mr. Umeda has a B.A. degree in Business from San Jose State University and an M.B.A. in Finance from Golden Gate University.

Alan Weckel joined Dell’Oro Group in 2006 and covers the Ethernet Switch and IP Telephony Enterprise market research programs. 

Prior to joining Dell’Oro Group, Mr. Weckel spent five years at Raytheon, where he worked as a Systems Engineer in the Network Centric Division on a variety of projects, ranging from product development to integration and test. Prior to Raytheon, Mr. Weckel also held positions in software development and manufacturing at General Electric Power Systems and Cisco Systems Inc.

Mr. Weckel has written articles on the evolution of Enterprise Telephony published in No Jitter , and has been quoted in various publications, including Business Week, Forbes, InfoWorld, TelecomTV, and The Wall Street Journal. He also has given presentations at industry events, with audiences ranging from 25 to 200.

Mr. Weckel received a B.S. degree in Electrical Engineering and a M.S. degree in Management from Rensselaer Polytechnic Institute.

Jimmy Yu re-joined Dell’Oro Group in 2008 and is responsible for the Optical Transport market research program.

Mr. Yu originally joined Dell’Oro Group in 2001, and spent over four years as the primary analyst for Dell’Oro Group’s Optical Transport program and built our coverage of the PON market. In 2006, Mr. Yu joined Spansion, a leader in flash memory solutions, where he was a Strategic Product Marketing Manager for Spansion’s server memory subsystem product line.

Prior to joining Dell’Oro Group in 2001, Mr. Yu worked for Deloitte Consulting in the strategy and operations group as a Management Consultant with a focus in the high-tech industry. Mr. Yu began his career in Northrop Grumman’s space technology group, where he was a lead mechanical engineer developing satellite communication subsystems and components, such as transceivers. While at Northrop Grumman, he also developed advanced packaging approaches for millimeter wave RF semiconductors, circuit boards, fiber optics, and photonics.

Mr. Yu received a B.S. degree in Mechanical Engineering from University of California Davis and an M.B.A. in General Management with an emphasis in Corporate Strategy and Finance from the University of Michigan.