Career
Cullen made her senior international debut for England in 2003. She was named in the International Hockey federation World Star XI following the 2006 Hockey World Cup, as well as 2006 Great Britain Hockey Athlete of the Year and Hockey Writers" 2005 and 2006 United Kingdom Hockey Player of the Year. She retired from international hockey after the 2012 Summer Olympics, aged 27.
She earned 171 international caps.
She has played club hockey for Leicester, based at the Stoneygate Preparatory School in Great Glen. Her guide to hockey (British Broadcasting Corporation) in 2008.