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Michael B. Greenspan is the founder and chief executive officer of MBG Expense Management. He brings over 30 years of experience within the telecommunications industry as a network and software designer and telecommunications consultant to Fortune 500 clients. During his career, Mr. Greenspan has worked on large-scale voice and data networks for AT&T’s Bell Laboratories, RCA American Communications, ITT and NA Phillips before establishing the consultancy that became MBG in 1977. Over the past five years he has directed MBG's focus on building integrated telecom expense management solutions that include: inventory, invoice processing, chargeback, and robust reporting capabilities.He is a graduate of City College of New York with a degree in electrical engineering and received a master’s degree in electrical and medical engineering from Stanford University. | 