Tae Yong-ho, a former North Korean diplomat who defected to South Korea in 2016, has been appointed as the new head of South Korea's presidential advisory council on unification.
This means he's now the highest-ranking defector in South Korea and will be advising the president on how to achieve peace between the two Koreas.
He has a lot of experience working for the North Korean government, so he knows a lot about their policies and how they think.
This appointment is a big deal because it shows that South Korea is serious about finding a peaceful solution to the conflict with North Korea.
