[1] Her writing has appeared in The Irish Times, The Guardian,[2] Daily Telegraph, Tatler, ELLE, and Sunday Business Post.
While still a young girl she was the owner of Táin Mór, which won the Irish Greyhound Derby in 1976.
She worked as an au pair in Sweden,[3] where she graduated from the University of Göteborg in Linguistics.
She worked as an investment banker at Morgan Stanley for 13 years, where she became the first female managing director of a trading team,[4] an experience which inspired her novel On the Floor.
[6] Campbell wrote the voice-over script for the film C.K., directed by Barbara Visser.