| Mrs Terri Lillian Joan Sargent | 04 June 2009 | 06 May 2013 |
| Wendy Schmitt | 04 May 2017 | 05 May 2021 |
| John Michael Schofield | 04 June 2009 | 06 May 2013 |
| Colin George Seagers | 02 May 2013 | 04 May 2017 |
| Michael John Daniel Skeels | 04 June 2009 | 06 May 2013 |
| Thomas Constantine Smith-Hughes | 04 June 2009 | 18 April 2012 |
| Mrs Anne Turrell- Deputy Leader of Liberal Democrat Group | 04 May 2017 | 05 May 2021 |
| Kay Twitchen OBE,ACII,Hon.F,CIWM | 02 May 2013 | 04 May 2017 |
| Current Vacancy | 04 April 2020 | 05 May 2021 |
| Current Vacancy | 13 April 2021 | 05 May 2021 |