Yang received the BFA in painting in 2005 from the Parsons School of Design in New York City. In 1998, she studied Oriental painting at the Dankook University (단국대학교) in Cheonan, Korea. Her artist work consists of painting, Installation art, Sculpture and Video art.
Yang's art has been exhibited internationally in Germany, Austria, Republic of Korea, Canada, and in the United States of America. Among the museums and galleries having shown her work are the Korean Broadcasting and Advertisement Museum in Seoul Republic of Korea, the Gong Art Space gallery in Seoul, Republic of Korea and the DadaPost Galerie in Berlin, Germany. Besides other art publications, the American sculptor Howard McCalebb published the monograph Silent Pictures, The paintings of Yang YounHee about Yang's work in 2012.
Yang works as an independent artist and founded the fine art studio Kunstatelier Younhee Yang, Berlin 2009 in Berlin-Mitte, Germany. The art studio moved 2012 to its current location in Berlin-Charlottenburg, Germany. Yang supports international social projects through her work.
Yang lives in Seoul, Republic of Korea and in Berlin, Germany.
