Marc D. Graff

Sr. Vice President, Finance and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer), Ciena

In the seat. First published here October 28, 2026; built from records as of October 28, 2026.

Marc D. Graff signed the annual report of Ciena as Sr. Vice President, Finance and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer); the report was filed on December 12, 2025, the most recent filing in the record that ties Marc D. Graff to the seat.¹

Seats

The seat in the record

Company	Title as filed	Standing	Filings
Ciena (CIEN) Telephone & Telegraph Apparatus	Sr. Vice President, Finance and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)	In the seat	1

Company names link to the company's page in the record at CFO Tribune, which holds the seat history.

The record

Filing by filing, latest first

December 12, 202510-K filed
Marc D. Graff signed the annual report of Ciena on Form 10-K as Sr. Vice President, Finance and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer), filed December 12, 2025.
/s/ Marc D. Graff Sr. Vice President, Finance and Chief Financial Officer December 12, 2025 Marc D. Graff (Principal Financial Officer and Principal Accounting Officer)
[1] Annual report on Form 10-K by Ciena, filed with the SEC on December 12, 2025. Read the filing. The record at CFO Tribune.

Sources

Annual report on Form 10-K, Ciena. U.S. Securities and Exchange Commission, EDGAR, filed December 12, 2025. sec.gov; record.

Corrections and removal

If a line here is wrong, or Marc D. Graff wants this profile taken down, write to corrections@cfospotlights.com. Corrections are made on the page with a dated note; removal requests are answered within 72 hours. The underlying filings stay public at the SEC.