Awards: Prix de Lausanne Award 2003, Youth America Grand Prix Finals Grand Prix Award 2003
Born in Seoul, South Korea, Hee Seo began her ballet training in her hometown at the Sun-hwa Arts Middle School. She was awarded a three-year full scholarship to continue her training at the Kirov Ballet Academy in Washington, D. C. In 2003, Seo won a scholarship to train at the John Cranko Ballet Academy in Stuttgart. She is the recipient of the 2003 Prix de Lausanne Award and the 2003 Grand Prix at the Youth American Grand Prix in New York. Seo joined the ABT Studio Company in 2004 and the main Company as an apprentice in May 2005 and the corps de ballet in March 2006. Seo was appointed a Soloist in August 2010 and a Principal Dancer in July 2012. She has appeared as a guest artist with the Mariinsky Ballet dancing the title role in Giselle and Princess Aurora in The Sleeping Beauty.