She has a bachelor's degree in English and a doctoral degree in education from the University of Delaware, as well as master's degrees in education and English from West Chester University and Villanova University.
Biden was an English and writing instructor at Delaware Technical & Community College. Biden is thought to be the first wife of a vice president or president to hold a paying job during her husband's tenure.
"Raul helped build this organization with the understanding that the diversity of this community, as distinct as the bodegas of the Bronx, as beautiful as the blossoms of Miami and as unique as the breakfast tacos here in San Antonio, is your strength," the first lady said.
"As a Hispanic woman who has a rich culture filled with ancestors who struggled against all manner of obstacles and poverty, it’s grossly offensive to compare my people to tacos,"