Mitchell Baker

Winifred Mitchell Baker
Baker in 2009
Born
Winifred Mitchell Baker

Alma materUniversity of California, Berkeley, (BA, JD)
Title
SpouseCasey Dunn
Children1
Signature

Winifred Mitchell Baker is the former chairwoman of the Mozilla Foundation and CEO of the Mozilla Corporation, a subsidiary of the Mozilla Foundation that coordinates development of the open source Mozilla Internet applications, including the Mozilla Firefox web browser.

Baker coordinated business and policy issues and sat on the Mozilla Foundation Board of Directors and the Mozilla Corporation Board of Directors. In 2005, Time included her in its annual list of the 100 most influential people in the world.

She stepped down as CEO in February 2024 and left Mozilla altogether in 2025.