<Table> <Tr> <Th_colspan="2"> Kensington and Chelsea London Borough Council </Th> </Tr> <Tr> <Td_colspan="2"> Whole council elected every four years </Td> </Tr> <Tr> <Td_colspan="2"> Coat of arms </Td> </Tr> <Tr> <Th_colspan="2"> Type </Th> </Tr> <Tr> <Th> Type </Th> <Td> London borough council of the Royal Borough of Kensington and Chelsea </Td> </Tr> <Tr> <Th> Houses </Th> <Td> Unicameral </Td> </Tr> <Tr> <Th> Term limits </Th> <Td> None </Td> </Tr> <Tr> <Th_colspan="2"> History </Th> </Tr> <Tr> <Th> Founded </Th> <Td> 1 April 1965 </Td> </Tr> <Tr> <Th> Preceded by </Th> <Td> Chelsea Borough Council Kensington Borough Council </Td> </Tr> <Tr> <Th> New session started </Th> <Td> 22 May 2013 (Municipal year 2013 / 2014) </Td> </Tr> <Tr> <Th_colspan="2"> Leadership </Th> </Tr> <Tr> <Th> Leader </Th> <Td> Elizabeth Campbell, Conservative Since 19 Jul 2017 </Td> </Tr> <Tr> <Th> Mayor </Th> <Td> Cllr Marie - Therese Rossi Since May 2017 </Td> </Tr> <Tr> <Th_colspan="2"> Structure </Th> </Tr> <Tr> <Th> Seats </Th> <Td> 50 councillors </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Political groups </Th> <Td> <P> Executive (40) </P> <Ul> <Li> Conservative (40) </Li> </Ul> <P> Opposition (10) </P> <Ul> <Li> Labour (7) </Li> <Li> Liberal Democrat (3) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Elections </Th> </Tr> <Tr> <Th> Voting system </Th> <Td> Plurality - at - large </Td> </Tr> <Tr> <Th> Last election </Th> <Td> 22 May 2014 </Td> </Tr> <Tr> <Th> Next election </Th> <Td> 2018 </Td> </Tr> <Tr> <Th_colspan="2"> Meeting place </Th> </Tr> <Tr> <Td_colspan="2"> Town Hall, Hornton Street </Td> </Tr> <Tr> <Th_colspan="2"> Website </Th> </Tr> <Tr> <Td_colspan="2"> www.rbkc.gov.uk </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Kensington and Chelsea London Borough Council </Th> </Tr>

Who are the leaders of kensington and chelsea council