Yang Jo-hoon was born in Jeju Island in 1948 and supported his half-life in revealing the truth of Jeju4·3. He was a journalist and worked on the Jeju4·3 planning serial for more than 10 years. After the enactment of the Jeju 4·3 Special Act, he led the government's fact-finding team to write a fact-finding report that revealed the wrongdoings of public power and played a pivotal role in drawing the president's apology. He served as vice governor of Jeju Special Self-Governing Province and chairman of the Jeju4·3 Peace Foundation. Currently, he is a member of the Jeju4·3 Central Committee (Chairman: Prime Minister). Many books, including 『Finding the Truth on the Jeju4·3』(2015), have been published. Asia-Pacific Mediation Forum Wins Peace Prize (2019).