President Barack Obama has nominated Larry Edward Andre Jr, a career member of the Senior Foreign Service, as US ambassador to the Islamic Republic of Mauritania, the White House announced on Tuesday evening. Andre most recently served as acting envoy and director of the Office of the Special Envoy for Sudan and South Sudan at the State Department. He served as deputy executive director for the Department\'s Bureau of African Affairs from 2010 to 2011 and as deputy chief of mission at the US Embassy in Dar es Salaam, Tanzania from 2008 to 2010.