Sejung calls Seoul her home since 2005, where she attended Hanyang University majoring in piano studies. After earning her masters degree at Folkwang Hochschule Essen, Germany, she returned to Seoul, where she enjoys living with her husband and 2 children.

Sejung has been part of the SIWA community since 2017 and filled the Sponsorship Chair position in 2018-2019. Currently, in her free time she is the Fundraising VP, while working as a lecturer at Chugye University for the Arts.