She is a DSP Media trainee who debuted in a South Korean project girl group formed by the company in 2012 known as PURETTY. On 14th January 2014, DSP Media announced that the group had been disbanded with the possibility of its members debuting into other new groups in the future. She debuted in acting in "Seonam Girls High School Investigators". Cho Shiyoon is currently an actress under DSP Media. She ranked #41 on Episode 8 of Produce 101 Season 1 and was eliminated. Watch drama online for free.