Dorothy Walker Bush Koch, often called "Doro", (born August 18, 1959), is the daughter of the 41st President of the United States George H. W. Bush and former First Lady Barbara Bush, and the youngest sibling of George W. Bush, the 43rd President. Her other four siblings are Jeb Bush, Neil Bush, Marvin Bush, and Pauline Robinson Bush, who died of leukemiain 1953.
 
Bush Koch was born in Harris County, Texas. Since she was a child, Dorothy has spent summers and holidays at the Bush compound, a sprawling estate inKennebunkport, Maine. In 1975, during a visit to Beijing, Dorothy became the first person publicly baptized in the People's Republic of China since its government began discouraging foreign religious practices in 1949.^[2]

Dorothy attended Miss Porter's School and earned a B.A. in sociology fromBoston College in 1982.

She has two children, Sam and Ellie, by her first husband, William LeBlond, whom she married in 1982 and divorced in 1990, and two children, Robert and Gigi, by her second husband, Robert P. Koch, whom she married in June 1992 at Camp David. Robert P. Koch was an aide to House Democraticleader Richard Gephardt, and is a lobbyist and president of the Wine Institute.^[3] He has a substantial equity interest in Central European Distribution Corp., the company that manufactures and distributes vodka inPoland.^[4]

She lives with her family in Bethesda, Maryland, and works organizing events and raising money for charities and other non-profit organizations. Doro Bush Koch currently serves as co-chair of the Barbara Bush Foundation for Family Literacy along with her brother Jeb Bush. She has also served as a pioneer fundraiser for her brother's presidential campaigns.^[5]

She is the author of the book My Father, My President: A Personal Account of the Life of George H.W. Bush.

She sponsored the commission of USS George H.W. Bush, her father's namesake. On January 10, 2009, she gave the first orders to the ship's company at Norfolk, Virginia.