Executive Directors and Under-Secretaries General of the UN
2011–present Dr Babatunde Osotimehin (Nigeria)
2000–2010 Ms Thoraya Ahmed Obaid (Saudi Arabia)
1987–2000 <answer>Dr Nafis Sadik</answer> (Pakistan)
1969–87 Mr Rafael M. Salas (Philippines)
Which doctor from Pakistan served until 2000?
Dr Nafis Sadik