Michael Greenspan

Rivermine is a leading provider of automated solutions (both software and managed services) that enable organizations to gain visibility into, and control over, their wireline and wireless telecom spend. Rivermine has saved many Fortune 1000 companies and large government organizations millions of dollars per year. These market-leading Telecom Expense Management (TEM) solutions automate the entire telecom lifecycle including contract sourcing, ordering, inventory management, invoice processing/auditing, reporting/analytics, and wireless device management.

ITT is an American company that manufactures and distributes engineered critical components.

Bell Laboratories provides research and development services. It provides communications technologies including transistors, digital networking, signal processing, lasers and fiber-optic communications systems, communication satellites, cellular telephony, electronic switching of calls, touch-tone dialing and modems. The company was founded in 1925 and is headquartered in Murray Hill, NJ.

MBG Expense Management LLC provides outsource and on-demand telecom expense management solutions to organizations seeking to enhance control over their telecom and IT costs. The company is headquartered in New York. Its solutions are focused on giving organizations the ability to manage, monitor and order all of their telecommunications and IT services through a secure and centralized hub. MBG's core solutions include provisioning, inventory, invoice processing and IT chargeback, along with extensive professional services that include audit, consulting and contract negotiations for both landline and wireless communications services.