Gretel Lees Packer AM (born August 1965) is an Australian billionaire investor and philanthropist. Packer is the daughter of Kerry Packer AC, a media mogul, and his wife, Roslyn Packer AC. She is the granddaughter of Sir Frank Packer. Following the death of her father and an estimated A$1.2 billion settlement in 2015 with her brother, James, she inherited investments in Crown Resorts, and other companies.