Born in 2009 in California and raised on Jeju Island, CHANG Yunu is a 9th grade student at Korea International School Jeju Campus. In 2024, he participated as a youth speaker at the PINO FORUM held at UNESCO Headquarters in Paris, sharing insights on Jeju 4·3 and its journey from conflict to peace from the perspective of the next generation. He continues to engage in activities that promote Jeju’s story as a global model of healing and hope for youth in regions affected by conflict.