<Table> <Tr> <Th_colspan="2"> Vice President of the Republic of South Sudan </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> Incumbent James Wani Igga since 25 August 2013 </Td> </Tr> <Tr> <Th> Inaugural holder </Th> <Td> Riek Machar </Td> </Tr> <Tr> <Th> Formation </Th> <Td> 9 July 2011 </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Vice President of the Republic of South Sudan </Th> </Tr>

Who is the vice president of south sudan