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News 2026-09-21 16:03 UTC

Magnite promotes Brian Gephart to CFO

Magnite named Brian Gephart chief financial officer effective Oct. 1, 2026. Gephart succeeds David Day, who will retire. Gephart has been chief accounting officer since June 2021.

News 2026-09-21 12:33 UTC

Magnite Promotes Brian Gephart To CFO, Effective October 1, Succeeding David Day

Magnite (NASDAQ: MGNI ), the world’s largest independent sell-side advertising platform, today announced the promotion of Brian Gephart as Chief Financial Officer (CFO), effective October 1, 2026. Gephart will succeed David Day, who previously announced his retirement after a distinguished decade-long tenure leading th