Kimberly Ann Guilfoyle ( ; born March 9, 1969) is an American television news personality and former prosecuting attorney in San Francisco. A Republican, she became an advisor to the 45th President of the United States, Donald Trump. Guilfoyle studied at University of California, Davis, and the University of San Francisco School of Law, where she earned a J.D. degree. She became a prosecuting attorney in San Francisco and Los Angeles, California. She was an assistant district attorney in San Francisco from 2000 to 2004. Guilfoyle married Democratic politician Gavin Newsom. She was First Lady of San Francisco during Newsom's first two years as mayor of that city. He later served as governor of the state. Since 2018 she has been the girlfriend of Donald Trump Jr. She worked at Fox News from 2006 to 2018, and co-hosted The Five on the network. She later joined America First Policies, a pro-Trump super PAC, to campaign for Republicans in the 2018 midterm elections. Early life and education Guilfoyle was born in San Francisco on March 9, 1969. Her mother was Puerto Rican and her father was born in Ireland and immigrated to the United States at the age of 20. She was raised Catholic. She grew up in the Mission District of San Francisco and in Westlake, Daly City. Guilfoyle's mother, Mercedes, taught special education. She died of leukemia when Guilfoyle was 11. Her father, Anthony "Tony" Guilfoyle, was born in Ennis, County Clare, Ireland, and immigrated to the United States in 1957 at the age of 20. In 1958, while still an Irish citizen, he was drafted and spent four years in the U.S. Army. After being discharged from the army, Tony Guilfoyle took up work in the construction trades. He later became a real estate investor. Until his death in 2008, he was a close advisor to his son-in-law, then-San Francisco mayor Gavin Newsom. Guilfoyle graduated from San Francisco's Mercy High School, and the University of California, Davis. She received her Juris Doctor from the University of San Francisco School of Law in 1994. While in law school, she interned at the San Francisco district attorney's office. She also modeled for Macy's and a bridal magazine. She later studied at Trinity College Dublin in Ireland. While there, Guilfoyle published research in international children's rights and European Economic Community law. Career Law After law school, Guilfoyle taught in a public