The daughter of the Second Vice Minister of Science, ICT and Future Planning and his mistress, Hyun-Soonks father spent a lot of money to keep her out of the public eye. She was sent away to the Collège Alpin International Beau Soleil in Villars-sur-Ollon, Switzerland at age ten, where she remained for seven years before returning to South Korea for university. She found life in South Korea uncomfortable, however, largely because of her family situation. Hyun-Sook traveled to MIT for her doctorates, and was hired by the SGC to work on electrical systems for the F-302s/BC-303s at Area 51 immediately out of school. She was chosen for the First Atlantis Expedition in 2004. Following the recovery of the Tria crew, she was almong those who requested to remain on Atlantis.
During the Second Exodus, she was given an illustrious research position at Caltech - a university which had also hired former First Expedition members Adi Ahavah and Vasily Chziov. With their help, she was able to appropriate several military-grade lenses and laser parts the Confederation would have been unable to purchase or machine for themselves. She is currently wanted in California for grand larceny and by the South Koreans for treason.
Additionally, she has been in a relationship with fellow Émigré Friedhelm Rosenthal since early 2006