Ciena
 | |
| Type | Public |
|---|---|
| Industry | Networking systems & software |
| Founded | 1992 |
| Founder | David Huber, Optelecom (company), and Kevin Kimberlin |
| Headquarters | , U.S. |
| Key people |
|
| Products | Networking systems and products |
| Revenue |  US$4.77 billion (2025) |
| US$198 million (2025) | |
| US$123 million (2025) | |
| Total assets | US$5.86 billion (2025) |
| Total equity |  US$2.73 billion (2025) |
Number of employees | 9,080 (2025) |
| Website | ciena |
| Footnotes | |
Ciena Corporation is an American optical networking systems and software company based in Hanover, Maryland. The company reported revenues of $4.8 billion and more than 9,000 employees, as of November 2025. Gary Smith has been president and chief executive officer (CEO) since 2003.
Customers include AT&T, Deutsche Telekom, KT Corporation and Verizon Communications.