Gregory John Norman AO is an Australian entrepreneur and retired professional golfer who spent 331 weeks as world number one in the 1980s and 1990s. He won 89 professional tournaments, including 20 PGA Tour tournaments and two majors: The Open Championships in 1986 and 1993. Norman also earned thirty top-10 finishes and was the runner-up eight times in majors throughout his career. In a reference to his blond hair, size, aggressive golf style and his birthplace's native coastal animal, Norman's nickname is "The Great White Shark", which he earned after his play at the 1981 Masters. Norman's business interests began during his playing career. He is the chairman and CEO of the Greg Norman Company, a global corporation with a portfolio of companies in fields including apparel, interior design, real estate, wine production, private equity and golf course design.