Gia Michele Milinovich (born July 11, 1969) is an American and British television presenter and writer. Born in Minnesota, she presented television programmes such as Channel 4's Demolition Day (2003–06), as well as Sky Sports, Nickelodeon and BBC Radio 5 Live shows. She produced the 'behind the scenes' website for the film Sunshine and was part of the technical support team for the BBC programme Electric Dreams in 2009.
She married English particle physicist Brian Cox in 2003. Their first child, George, was born on 26 May 2009. She also has a son, Moki (born circa 1997), from a previous relationship.