Columba Bush is a Mexican-American philanthropist and public figure who served as the First Lady of Florida from 1999 to 2007. As the wife of former Florida Governor Jeb Bush, she used her platform to advocate for various social causes. She has focused on issues such as substance abuse prevention, domestic violence awareness, and promoting the arts and culture. Known for her quiet and private nature, she has worked with organizations like the Center on Addiction and Substance Abuse to raise awareness and support.