Born in Korea, Yoojin trained under the Yoo’s Ballet Conservatory. She joined various competitions and earned top ranks and notable awards, including first prize at International Ballet Grand Prix Singapore, Taiwan International Grand Prix and Malaysian International Grand Prix, as well as second prize at Tanzolymp Asia – South Korea. Her performances gained her many scholarships from world renowned vocational schools including National Ballet Theatre (Australia) and Elmhurst Ballet School (UK). 
 
She received the Nanyang Academy of Fine Arts (NAFA) scholarship at the International Ballet Grand Prix Singapore and began training at NAFA in 2021, where she graduated in 2023. 
 
Yoojin joined Singapore Ballet as a trainee in January 2024 and was promoted to Apprentice in January 2025.