Ciena Corporation with Corporate Office in Linthicum MD, in the United States Of America, is a world leader making telecommunication net-working equipments and softwares for audio, video and data services. Founded in 1992, it is presently headed by Patrick Nettles as Executive Chairman and Gary Smith as President and CEO. Products supplied are Optical Transport, Packet optical, Packet Networking and softwares which are used by telecom service providers, cable operators and Governments the world over. Consultations and service supports are also rendered by the supplier. Ciena Corporation has made a number of acquisitions including that of Nortel's Metro Ethernet Networks and Terabit Technology Inc and its present staff strength is 4,000.