Read this: Executive Directors and Under-Secretaries General of the UN
2011present Dr Babatunde Osotimehin (Nigeria)
20002010 Ms Thoraya Ahmed Obaid (Saudi Arabia)
19872000 Dr Nafis Sadik (Pakistan)
196987 Mr Rafael M. Salas (Philippines)
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): Who from the UN was missing during 1969-87?
unanswerable