Richard D. Calder

Infinera Optical Holding, Inc. designs and develops telecommunications networking products. The firm serves telecom service providers, independent operating companies, multiple system operator cable companies, enterprises and government agencies. The company was founded by Michael J. Birck in 1975 and is headquartered in Naperville, IL.

WinStar Communications Inc. provided a broad suite of integrated broadband communications and information services. The services provided by the company were local and long distance voice services, Internet connectivity, data transmission, web hosting, web design and development and other enhanced services including network design and implementation, equipment selection, procurement and installation. The Group also developed and distributed information content and provided related services through traditional media, such as television, video, cable and radio and over the Internet. It was located in New York, NY.

InPhonic sells wireless services and devices through private-labeled Web sites that it creates and manages. The company's technology platform provides outsourced activation services for wireless telecommunications providers.

Part of Verizon Communications, Inc., MCI Communications Corp. is an American telecommunications company. The company is based in Washington. MCI Communications was acquired by MCI, Inc. on September 15, 1998 for $42,459.16 million.

GTT - EMEA Ltd. provides data and technology services. It offers design integration, project management, network monitoring and support services. The company was founded by Christopher Britton and Adriana Cassandro in 1998 and is headquartered in London, the United Kingdom.

Broadwing Communications LLC provides telecommunications solutions to enterprises, carriers and government entities. Its optical network enables the delivery of data, voice, video and high-capacity bandwidth services with unparalleled customer focus and speed. The company is headquartered in Austin, TX.

GTT Communications, Inc. provides high-speed, enterprise-grade connectivity services to clients globally. The private company is based in McLean, VA and has a global presence of subsidiaries in several regions. The company is committed to redefining enterprise communications and driving productivity across organizations. The company offers next-generation firewall capabilities from the cloud and cloud-based cyber security integrated with SD-WAN. GTT operates a top-ranked, Tier 1 IP network that connects people across organizations, around the world, and to every application in the cloud. The company was founded in 2005 by H. Brian Thompson. Ernest Ortega has been the CEO of the company since 2019.

Liquid Capital Management Group LLC (Liquid Capital Management Group) is a venture capital firm is founded in 2000 by Randolph C. Domolky. The firm is headquartered in McLean, Virginia.

Global Telecom & Technology Americas, Inc. provided telecommunication services. It provided wide-area network, internet access and data services to wholesale and enterprise customers. The company was founded in 1998 and was headquartered in McLean, VA.