Yeonoo has a Master of Fine Arts of visual communication design and a Bachelor of Fine Arts of Print Making from Hongik University in Seoul. She worked as a government official at the city design division of the local government in Seoul for the last five and half years working on street design, signage systems and a design project for a disadvantaged area within the public sector.

From her work experience, Yeonoo believes that design is a strong tool to enhance people's lives. Her thesis focuses on using after school education in disadvantaged areas to break the cycle of poverty.