Si On studied Western Painting at Mokwon University in South Korea, where she received her BA, and in 2006 she moved to Japan to pursue an MA and a PhD in Painting at Kyoto City University of Arts. She moved to New York City in 2013, where she participated in residency programs at ISCP (2014), Pioneer Works, and Residency Unlimited, (2015).  In 2017 the artist moved to Krakow Poland, where she currently lives and works together with her husband, the artist Jakub Julian Ziolkowski.  In 2019, the artist officially changed her name to Si On (formerly she worked and exhibited under the given name of Hyon Gyon).