Greg Zwakman

Founded in 2000 by John Abbott, 451 Research LLC is a technology-industry syndicated research and data firm focused on the business of enterprise IT innovation. The firm is headquartered in New York City. 451 Research is a division of The 451 Group, a leading global analyst and data company. 451 Research's market-segment coverage is focused, organized and delivered through comprehensive Practice Areas available via subscription. These areas include: CloudScape (CS), Eco-Efficient IT (ECO-IT), Eco-Efficient IT (ECO-IT), Enterprise Security (ESP), Internet Infrastructure Services (IIS), Infrastructure Computing for Enterprise (ICE), Information Management (IM) and Multi-Tenant Datacenter (MTDC).

Founded in 2000 by Andrew Schroepfer, Tier 1 Research is an independent research firm located in New York City with additional offices in Bethesda, Maryland, Plymouth, Minnesota and San Francisco. The firm is a subsidiary of the 451 Group. Tier 1 Research focuses on the financial and industry implications of developments affecting public and private companies within the information technology, communications and Internet sectors. They are particularly interested in consumer, enterprise and carrier information technology services, hosting, content delivery, Internet services, software-as-a-service and enterprise services. The firm's clients include institutional investors and technology vendors, as well as, end users and venture capitalists.

Minneapolis-based U.S. Bancorp Piper Jaffray Ventures is a subsidiary of Piper Jaffray Cos. (NYSE: PJC)

Carlyle Co., Inc. provides investment advice. The private company is based in Nashville, TN.