David Tucker

Optium Corp. designs and manufactures optical subsystems for use in telecommunications and cable TV network systems. Its offers transceivers, transmitters, analog RF over fiber products, line cards, circuit packs, and optical add/drop multiplexer products that deliver voice, video, and other data services. The company was founded in 2000 and is headquartered in Horsham, PA.

vSpatial, Inc. develops a virtual reality (VR) office application. Its VR application offers infinite screen carousel, dynamic input and control, and interaction options. The company was founded by Richard Platt, John Sallaway, Son Thanh Tran, Pascal Menezes, Michael Sharp and David Tucker and is headquartered in Prosper, TX.

Part of Randstad NV, Randstad Technologies Ltd. is a company based in Luton, UK. Randstad Technologies was acquired by Randstad UK Holding Ltd., part of Randstad NV from October 22, 1999 on December 01, 1997 for $47.28 million.

Cisco Systems Ltd. manufactures routers and switches. It supplies remote access servers, IP telephony and data storage network equipment, optical networking components, and network security products. The company is headquartered in Feltham, UK

Cerent was founded in 1997 and has 287 employees. Cerent's single system solution also makes it easier for service providers with limited space for equipment

Nortel Networks Ltd. provides communications networks and services for data & telephony industry. Its networks use innovative packet, wireless, voice and optical technologies. The company's solutions are designed and developed at laboratories in Harlow, Monkstown & Galway. Nortel Networks does business in more than 150 countries. The company is headquartered in Maidenhead, UK.