Yes, "He is a former head of the UN" is correct!!
Next Quesiton:

Which of the following statements about this guy is NOT TRUE?
  1. His name is Hassan Rouhani
  2. He has ultimate power over decisions in his country
  3. His government type is theocracy
  4. He is an Iranian
  5. He is the President of his country
Take the non-randomized version of this quiz