<Tr> <Td> Mayes, Myong Sok Namkung </Td> <Td> 9th dan </Td> <Td> c. 1954--</Td> <Td> United States of America </Td> <Td> Highest - ranked woman in taekwondo, 1988 US Olympic Coach (Women's) </Td> <Td> </Td> </Tr> <Tr> <Td> Nardizzi, Donato </Td> <Td> 9th dan </Td> <Td> c. 1960 - </Td> <Td> United Kingdom </Td> <Td> Former President of ITF England, Chairman of the ITF Children's Education Committee and creator of the Kids Development Program, 2012 Olympic torchbearer . </Td> <Td> </Td> </Tr> <Tr> <Td> Nguyen, Dang Phung </Td> <Td> 9th dan </Td> <Td> Unknown </Td> <Td> Australia </Td> <Td> President of Chang Moo Kwan Australasia, Order of Australia Medal (OAM) 2009 </Td> <Td> See main article </Td> </Tr> <Tr> <Td> Paik, Sang Kee </Td> <Td> 9th dan </Td> <Td> 1929--2009 </Td> <Td> United States of America </Td> <Td> Early student of B.I. Yoon and first Black Belt of Grand Master Ki Whang Kim; created Sa - Sang Kwan system . Inducted into Taekwondo Hall of Fame 2013 </Td> <Td> See main article </Td> </Tr>

Who is the highest ranking black belt in the world