<Li> Tim Kaine, Virginia </Li> <Li> Maggie Hassan, New Hampshire </Li> <Table> <Tr> <Th> Subcommittee </Th> <Th> Chair </Th> <Th> Ranking Member </Th> </Tr> <Tr> <Td> Children and Families </Td> <Td> Rand Paul (R - KY) </Td> <Td> Bob Casey Jr . (D - PA) </Td> </Tr> <Tr> <Td> Employment and Workplace Safety </Td> <Td> Johnny Isakson (R - GA) </Td> <Td> Al Franken (D - MN) (until January 2, 2018) </Td> </Tr> <Tr> <Td> Primary Health and Retirement Security </Td> <Td> Mike Enzi (R - WY) </Td> <Td> Bernie Sanders (I - VT) </Td> </Tr> </Table> <Tr> <Th> Subcommittee </Th> <Th> Chair </Th> <Th> Ranking Member </Th> </Tr>

Who is the current chair of the u.s. senate subcommittee on employment and workplace safety