Gregory John Norman AM (born 10 February 1955) is an Australian professional golfer and entrepreneur who spent 331 weeks as the world's number one ranked golfer in the 1980s and 1990s. He is nicknamed, The Great White Shark or sometimes simply The Shark — a reference to Norman's blond hair, size and aggressive golf style and the shark inhabiting Australian waters. Norman was born in Mount Isa, Queensland, Australia to Merv and Toini Norman.
His mother was of Finnish descent. As a youth, he played rugby and cricket and was a keen surfer. His mother was a fine golfer with a single-figure handicap.
Norman began playing golf at 16 and within a year was playing to a scratch handicap. Norman attended Aspley State High School on the north side of Brisbane, Queensland. He married Laura Andrassy, an American flight attendant, on 1 July 1981.
They have two children: Morgan Leigh, and Gregory. Gregory is a business management & organization major student at the University of Miami. Gregory also played with his father in a father-son team at the 2008 ADT Skills Championship in Aventura, Florida.
The family lived in Hobe Sound, Florida. In May 2006, Norman announced he and his wife would divorce. He refused to comment on the reasons for this, other than to say there was no third party involved.