Ciena
Optical networking and coherent transport for data-center interconnect.
- Ticker
- NYSE: CIEN
- Headquarters
- Hanover
- Founded
- 1999
- Revenue
- $4.8B (FY2025) · +18.8% YoY
- Net income
- $123M
- Operating margin
- 4.1%
- Market position
- major
- Value-chain segment
- Networking & Systems, Photonics & Optics
About Ciena
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).