1994 from Nairobi. Mambu was later appointed WHO Resident Representative to Mali, where she served from 1995 to 2001, and then to Cameroon, where she served from 2001 until her retirement in February 2008. As it is the case for many United Nations international civil servants, throughout her career, Mambu was called upon around the world, by several organizations, like the GAVI Alliance, as a WHO expert on wide-ranging health and wellness matters, as well as a diplomat. Awards and recognition Unsung Vaccine Hero of the Bill and Melinda Gates Foundation (USA, 2013) Officer of the Order of Valour of Cameroon (Cameroon, 2008) Western College Service Award (USA, 2007) Commandant de l’Ordre National du Mali (Mali, 2001) Hildrus Pointdexter Award (USA, 1976) Member of the Honors Society of Western College (USA, 1969–1972) See also GAVI Alliance Jean Marie Okwo Bele Sabin Vaccine Institute References Democratic Republic of the Congo public health doctors World Health Organization officials 1948 births Living people People from Kongo Central Western College for Women alumni Recipients of the Order of Valour Commanders of the National Order of Mali Tulane University School of Public Health and Tropical Medicine alumni Howard University alumni Democratic Republic of the Congo officials of the United Nations 21st-century Democratic Republic of the Congo people