| Post: | Trefnydd |
| Body: | the Senedd |
| Flag: | Flag of Wales.svg |
| Flagsize: | 50px |
| Incumbent: | Jane Hutt MS |
| Department: | Welsh Government |
| Style: | Welsh Minister |
| Status: | Cabinet Minister |
| Abbreviation: | Minister |
| Reports To: | the Senedd and the First Minister of Wales |
| Seat: | Cardiff |
| Nominator: | First Minister of Wales |
| Appointer: | The Crown |
| Termlength: | Five years |
| Termlength Qualified: | Subject to elections to the Senedd which take place every five years |
| First: | Andrew Davies AM |
The Trefnydd, or Leader of the House in English, and formerly Minister for Assembly Business, is a member of the Cabinet in the Welsh Government, who manages the government's business in the Senedd (the Welsh Parliament; ; formerly the National Assembly for Wales). The current officeholder is Jane Hutt since March 2024.
| Name | Picture | Entered office | Left office | Other offices held | Political party | Government | Notes | ||
|---|---|---|---|---|---|---|---|---|---|
| Business Secretary | |||||||||
| Andrew Davies | 12 May 1999 | 22 February 2000 | Labour | Michael administration | [1] | ||||
| Minister for Assembly Business | |||||||||
| Andrew Davies | 22 February 2000 | 16 October 2000 | Labour | Interim Rhodri Morgan administration | |||||
| Business Manager | |||||||||
| Andrew Davies | 16 October 2000 | 26 February 2002 | Labour | First Rhodri Morgan government | |||||
| Carwyn Jones | 26 February 2002 | May 2003 | Minister for Open Government (June 2002–) | Labour | First Rhodri Morgan government | ||||
| Minister for Assembly Business | |||||||||
| Karen Sinclair | 9 May 2003 | 10 January 2005 | Chief Whip | Labour | Second Rhodri Morgan government | [2] | |||
| Business Manager | |||||||||
| Jane Hutt | 10 January 2005 | May 2007 | Labour | Second Rhodri Morgan government | |||||
| Minister for (Assembly) Business | |||||||||
| Jane Hutt | 31 May 2007 | 19 July 2007 | Minister for Budget | Labour | Third Rhodri Morgan government | [3] | |||
| Leader of the House | |||||||||
| Carwyn Jones | 19 July 2007 | 10 December 2009 | Counsel General | Labour | Fourth Rhodri Morgan government | ||||
| Minister for (Assembly) Business | |||||||||
| Jane Hutt | 10 December 2009 | May 2011 | Minister for Budget | Labour | First Jones government | [4] | |||
| Minister for Government Business | |||||||||
| Jane Hutt | 11 September 2014 | 2016 | Minister for Finance | Labour | Second Jones government | [5] | |||
| Leader of the House | |||||||||
| Jane Hutt | 19 May 2016 | 3 November 2017 | Chief Whip | Labour | Third Jones government | [6] [7] | |||
| Julie James | 3 November 2017 | 13 December 2018 | Chief Whip | Labour | Third Jones government | [8] | |||
| Trefnydd[9] [10] | |||||||||
| Rebecca Evans | 13 December 2018 | 13 May 2021 | Minister for Finance | Labour | First Drakeford government | [11] [12] | |||
| Lesley Griffiths | 13 May 2021 | 22 March 2024 | Minister for Rural AffairsMinister for North Wales | Labour | Second Drakeford government | [13] [14] | |||
| Jane Hutt | 22 March 2024 | Incumbent | Chief Whip | Labour | Gething government | [15] | |||
See also: Politics of Wales and 2021 Senedd election. The post is responsible for organising government business in the Senedd.[16]
In May 2016, alongside the role of Chief Whip, the Leader of the House's responsibilities were:[17]