Margaret Vogt , a native of Nigeria, served as Special Representative and Head of the United Nations Integrated Peacebuilding Office in the Central African Republic until mid-2013. She was appointed to this position by the United Nations Secretary-General Ban Ki-moon on 19 May 2011. Wikipedia*
On the C-SPAN Networks:
Margaret Vogt has one video in the C-SPAN Video Library; the first appearance was a 2006 Forum.