<Tr> <Td_colspan="2"> In office January 19, 2013--January 20, 2017 </Td> </Tr> <Tr> <Th> President </Th> <Td> Barack Obama </Td> </Tr> <Tr> <Th> Preceded by </Th> <Td> Michael Astrue </Td> </Tr> <Tr> <Th> Succeeded by </Th> <Td> Nancy Berryhill (Acting) </Td> </Tr>

Who is the acting commissioner of the social security administration