Thae Yong Ho, the high-profile North Korean diplomat who defected to Seoul in mid-2016, conducted his first extended English-language interview on South Korea’s Arirang TV on Tuesday evening.

During the interview, Thae spoke at length on subjects including the prospects for reunification, sanctions, and Kim Jong Un’s actions after succeeding his father in 2011.

He even offered advice to the newly established Trump administration in dealing with North Korea’s nuclear developments.