Katherine Kellgren was born in New York City in 1969. She studied at the British American Drama Academy and the London Academy of Music and Dramatic Art (LAMDA). After graduating from LAMDA, she appeared on stage in London, New York, and Frankfurt. She narrated more than 250 audiobooks and won thirteen Audie Awards including five for best female narrator. She died from cancer on January 10, 2018 at the age of 48.