Brent McIntosh

Chief Legal Officer and Corporate Secretary Citigroup

Last Reviewed: October 1, 2026

Executive Summary

Brent McIntosh has been Citigroup’s Chief Legal Officer and Corporate Secretary since October 2021. He came from the U.S. Treasury, where he was Under Secretary for International Affairs and before that General Counsel, after practising as a partner at Sullivan & Cromwell and serving in the White House from 2006 to 2009. Citigroup ranked No. 24 on the 2026 Fortune 500.

Career Highlights

• Chief Legal Officer and Corporate Secretary of Citigroup since October 2021.
• Under Secretary for International Affairs, U.S. Treasury, 2019 to 2021.
• General Counsel, U.S. Treasury, 2017 to 2019.
• Partner at Sullivan & Cromwell.

Professional Journey

McIntosh served in the White House from 2006 to 2009 and was a partner at Sullivan & Cromwell. He was General Counsel of the U.S. Treasury from 2017 and Under Secretary for International Affairs from 2019 to 2021.

He joined Citigroup as Chief Legal Officer and Corporate Secretary in October 2021.

Education

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