<Table> <Tr> <Th_colspan="2"> Texas State Senate </Th> </Tr> <Tr> <Td_colspan="2"> Texas State Legislature </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Type </Th> </Tr> <Tr> <Th> Type </Th> <Td> Upper house of the Texas Legislature </Td> </Tr> <Tr> <Th> Term limits </Th> <Td> None </Td> </Tr> <Tr> <Th_colspan="2"> History </Th> </Tr> <Tr> <Th> New session started </Th> <Td> January 10, 2017 </Td> </Tr> <Tr> <Th_colspan="2"> Leadership </Th> </Tr> <Tr> <Th> President of the Senate </Th> <Td> Dan Patrick (R) Since January 20, 2015 </Td> </Tr> <Tr> <Th> President Pro Tempore </Th> <Td> Kel Seliger (R) Since January 13, 2017 </Td> </Tr> <Tr> <Th_colspan="2"> Structure </Th> </Tr> <Tr> <Th> Seats </Th> <Td> 31 </Td> </Tr> <Tr> <Th> Political groups </Th> <Td> <P> Majority </P> <Ul> <Li> Republican (20) </Li> </Ul> <P> Minority </P> <Ul> <Li> Democratic (10) </Li> </Ul> <P> Vacant (1) </P> <Ul> <Li> Vacant (1) </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Length of term </Th> <Td> 4 years </Td> </Tr> <Tr> <Th> Authority </Th> <Td> Article 3, Texas Constitution </Td> </Tr> <Tr> <Th> Salary </Th> <Td> $7,200 / year + per diem </Td> </Tr> <Tr> <Th_colspan="2"> Elections </Th> </Tr> <Tr> <Th> Voting system </Th> <Td> First - past - the - post </Td> </Tr> <Tr> <Th> Last election </Th> <Td> November 8, 2016 (16 seats) </Td> </Tr> <Tr> <Th> Next election </Th> <Td> November 6, 2018 (15 seats) </Td> </Tr> <Tr> <Th> Redistricting </Th> <Td> Legislative Control </Td> </Tr> <Tr> <Th_colspan="2"> Meeting place </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> State Senate Chamber Texas State Capitol Austin, Texas </Td> </Tr> <Tr> <Th_colspan="2"> Website </Th> </Tr> <Tr> <Td_colspan="2"> Texas State Senate </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Texas State Senate </Th> </Tr>

Who serves as the president of texas's senate