Kim Han-sol is the grandson of Kim Jong-il. He never met his grandfather. At the time of this interview in 2012, he was studying at United World College in Mostar, Bosnia and Hertzegovina.
Elisabeth Rehn (b. 1935) was a UN Under-Secretary General and the Special Rapporteur for Human Rights in Bosnia and Herzegovina in 1995-1999. Before that, she was a member of the Finnish parliament (1979-1995) and the Minister of Defence (1990-1995). Rehn helped found the United World College in Mostar.