Celeste Mellet

Chief Financial Officer Humana

Last Reviewed: October 1, 2026

Executive Summary

Celeste Mellet became Humana’s Chief Financial Officer in January 2025, succeeding Susan Diamond. She brought chief financial officer experience from three very different firms: Fannie Mae, where she was CFO from 2018 to 2021; the investment bank Evercore, where she also oversaw strategy, tax, technology and facilities; and infrastructure investor Global Infrastructure Partners. Before that she spent more than 18 years at Morgan Stanley, rising to global treasurer after starting as an equity research analyst. Humana ranked No. 34 on the 2026 Fortune 500.

Career Highlights

• Chief Financial Officer of Humana since January 2025.
• Partner and CFO of Global Infrastructure Partners, 2023 to 2025.
• CFO of Evercore, 2021 to 2023.
• Executive Vice President and CFO of Fannie Mae, 2018 to 2021.
• Global treasurer of Morgan Stanley.

Professional Journey

Mellet spent more than 18 years at Morgan Stanley, where she was an equity research analyst covering financials, media, and gaming and lodging, head of investor, creditor and counterparty relations, and finally global treasurer.

At Fannie Mae she was Senior Vice President and Deputy CFO from 2017 and Executive Vice President and Chief Financial Officer from 2018 to 2021. She was then CFO, Senior Managing Director and Executive Vice President of Evercore from 2021 to 2023, and Partner and CFO of Global Infrastructure Partners from 2023.

She became Chief Financial Officer of Humana on 11 January 2025.

Education

No first-party source read for this profile states her education.