<Li> Malala Yousafzai--designated 2017 </Li> <Ul> <Li> Enrico Macias - designated 1997 </Li> <Li> Elie Wiesel - designated 1998 </Li> <Li> Muhammad Ali - designated 1998 </Li> <Li> Anna Cataldi - designated 1998 </Li> <Li> Luciano Pavarotti - designated 1998 </Li> <Li> Vijay Amritraj - designated 2001 </Li> <Li> Wynton Marsalis - designated 2001 </Li> <Li> George Clooney - designated 2008 </Li> <Li> Wangari Maathai - designated 2009 </Li> </Ul> <Li> Enrico Macias - designated 1997 </Li> <Li> Elie Wiesel - designated 1998 </Li>

Who has been appointed as un ambassador of peace