Winifred Mitchell Baker (born 1959) is the Executive Chairwoman and CEO of the Mozilla Foundation and of 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 was trained as a lawyer. She coordinates business and policy issues and sits on both the Mozilla Foundation Board of Directors and the Mozilla Corporation Board of Directors. In 2005, Time magazine included her in its annual list of the 100 most influential people in the world and she has been affectionately given the title of "Chief Lizard Wrangler" at the Mozilla Corporation.