Kim Yong-chol (his biogram is available there) is supposed to lead the North Korea’s Olympic Ceremony Delegation. He’s considered as the mastermind of attacks on South Korea but also involved in North-South Korean issues since 1989 and currently in charge of inter- Korean affairs in the North. He also acted as a spokesman for the KPA Supreme Command
In spite of international pressures, South Korean authorities approved visit by this sanctioned individual. On sunday, he’s supposed to arrive to Seoul with seven other North Korean representatives. On monday he will meet with the South Korean head of state Mun Jae-in. Kim Yong-chol is supposed to leave South Korea on tuesday. The visit of Kim Yong-chol is not a surprised, and was a precondition to the venue of Kim Yo-jong, the sister of Kim Jong-un, at the inauguration ceremony of the Olympic Games in PyeongChang.