Caroline Mulroney 12 years until 2005 when she returned to Canada, worked in financial services and became involved in charitable work. She also served on the board of directors of the Windsor–Detroit Bridge Authority. Mulroney is the only daughter and eldest child of the 18th Prime Minister of Canada, Brian Mulroney, and his wife Mila Mulroney. She is also a naturalized citizen of the United States. Mulroney is the eldest of four children and only daughter of former Prime Minister of Canada Brian Mulroney and his wife, Mila. One of her younger brothers is CTV morning host Ben Mulroney. Her father won
Brian Mulroney 66.9 per cent of delegates at the party convention in January 1983 in Winnipeg, he resigned and ran to regain his post at the 1983 leadership convention. Despite still not being a member of Parliament, Mulroney ran against him, campaigning more shrewdly than he had done seven years before. Mulroney had been criticized in 1976 for lacking policy depth and substance, a weakness he addressed by making several major speeches across the country in the early 1980s, which were collected into a book, "Where I Stand", published in 1983. Mulroney also avoided most of the flash of his earlier campaign,