Ciena

Ciena Corporation
Company typePublic
IndustryNetworking systems & software
Founded1992 (1992)
FounderDavid Huber, Optelecom (company), and Kevin Kimberlin
Headquarters,
U.S.
Key people
ProductsNetworking 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)
Websiteciena.com
Footnotes / references

Ciena Corporation is an American optical networking systems and software company based in Hanover, Maryland. The company has been described as a vital player in optical connectivity. The company reported revenues of $4.8 billion and more than 9,000 employees, as of November 2025. Gary Smith serves as president and chief executive officer (CEO).

Customers include AT&T, Deutsche Telekom, KT Corporation and Verizon Communications.