Keith Rupert Murdoch is an Australian-born American retired business magnate, investor, and media mogul. Through his company News Corp, he is the owner of hundreds of local, national, and international publishing outlets around the world, including in the UK, in Australia, in the US, book publisher HarperCollins, and the television broadcasting channels Sky News Australia and Fox News. He was also the owner of Sky, 21st Century Fox, and the now-defunct
News of the World. With a net worth of
US$21.7 billion as of 2 March 2022, Murdoch is the 31st richest person in the United States and the 71st richest in the world according to
Forbes magazine. Due to his extensive wealth influence over media and politics, Murdoch has been described as an oligarch.