| Ian Christopher Austin | 9 June 2009 | 6 May 2010 |
| Shahid Malik | 9 June 2009 | 11 May 2010 |
| Robert Andrew Stunell | 13 May 2010 | 4 September 2012 |
| Rt Hon Donald Michael Ellison Foster | 5 September 2012 | 7 October 2013 |
| Brandon Kenneth Lewis | 5 September 2012 | 15 July 2014 |
| Nicholas Edward Coleridge Boles | 5 September 2012 | 15 July 2014 |
| Penelope Mary Mordaunt | 15 July 2014 | 11 May 2015 |
| Tariq Mahmood Ahmad, Baron Ahmad of Wimbledon | 16 July 2014 | 11 May 2015 |
| James Stephen Wharton | 8 May 2015 | 17 July 2016 |
| Marcus Charles Jones | 8 May 2015 | 8 January 2018 |
| Susan Frances Maria Williams, Baroness Williams of Trafford | 11 May 2015 | 17 July 2016 |
| Prof Nicholas Henry Bourne, Baron Bourne of Aberystwyth | 17 July 2016 | 26 July 2019 |
| Rishi Sunak | 9 January 2018 | 24 July 2019 |
| James Edward George Younger, Viscount Younger of Leckie | 26 July 2019 | 13 February 2020 |
| Luke Anthony Hall | 27 July 2019 | |
| Christopher Ian Brian Mynott Philp | 18 December 2019 | 14 February 2020 |