| Period | Position | Office/Committee |
| 22/05/2013 - Present | Assembly Party Group Member | All Party Group on Cycling |
| 13/03/2013 - Present | Assembly Party Group Treasurer | All Party Group on Organ Donation |
| 13/03/2013 - Present | Assembly Party Group Member | All Party Group on Organ Donation |
| 11/02/2013 - Present | Committee Member | Concurrent Committee of the Committee for Agriculture and Rural Development and the Committee for Health, Social Services and Public Safety |
| 08/05/2012 - Present | Assembly Party Group Member | All Party Group on Heart Disease & Stroke |
| 07/11/2011 - Present | Assembly Party Group Member | All Party Group on European Environmental Regulations, Directives and Decisions |
| 27/09/2011 - Present | Assembly Party Group Member | All Party Group on Muscular Dystrophy |
| 26/09/2011 - Present | Assembly Party Group Vice-Chairperson | All Party Group on Co-operatives and Mutuals |
| 26/09/2011 - Present | Assembly Party Group Member | All Party Group on Co-operatives and Mutuals |
| 19/09/2011 - Present | Assembly Party Group Member | All Party Group on Disability |
| 30/06/2011 - Present | Assembly Party Group Member | All Party Group on Pro-Life |
| 28/06/2011 - Present | Assembly Party Group Chairperson | All Party Group on Visual Impairment |
| 28/06/2011 - Present | Assembly Party Group Member | All Party Group on Visual Impairment |
| 07/06/2011 - Present | Assembly Party Group Vice-Chairperson | All Party Group on International Development |
| 07/06/2011 - Present | Assembly Party Group Member | All Party Group on International Development |
| 23/05/2011 - Present | Committee Member | Committee for Justice |
| 16/05/2011 - Present | Committee Deputy Chair | Committee for Health, Social Services and Public Safety |
| 28/06/2010 - 24/03/2011 | Assembly Party Group Vice-Chairperson | All Party Group on Co-operatives and Mutuals |
| 25/02/2010 - 24/03/2011 | Assembly Party Group Chairperson | All Party Group on International Development |
| 04/07/2009 - 25/03/2011 | Committee Chair | Committee for Health, Social Services and Public Safety |
| 22/01/2009 - 24/03/2011 | Assembly Party Group Vice-Chairperson | All Party Group on Visual Impairment |
| 16/09/2008 - 24/03/2011 | Assembly Party Group Member | All Party Group on Rural Sustainability |
| 15/09/2008 - 13/09/2009 | Committee Member | Committee for Enterprise, Trade and Investment |
| 01/07/2008 - 24/03/2011 | Assembly Party Group Member | All Party Group on Construction |
| 27/05/2008 - 17/09/2009 | Committee Member | Public Accounts Committee |
| 06/05/2008 - 24/03/2011 | Assembly Party Group Vice-Chairperson | All Party Group on Climate Change |
| 03/12/2007 - 25/03/2011 | Committee Deputy Chair | Ad Hoc Committee on the draft Sexual Offences (Northern Ireland) Order 2007 |
| 19/11/2007 - 25/03/2011 | Committee Member | Ad Hoc Committee on the draft Criminal Justice Order 2007 |
| 15/05/2007 - 25/02/2010 | Assembly Party Group Vice-Chairperson | All Party Group on International Development |
| 09/05/2007 - 03/07/2009 | Committee Deputy Chair | Committee for Regional Development |
| 09/05/2007 - 14/09/2008 | Committee Member | Committee for the Office of the First Minister and deputy First Minister |
| 09/05/2007 - 10/05/2007 | Committee Member | Committee for Agriculture and Rural Development |
| 09/05/2007 - 28/05/2007 | Committee Member | Committee for Employment and Learning |
| 22/11/2006 - 30/01/2007 | Joint Chairpersons Programme for Government Committee | Committee on the Programme for Government |
| 22/11/2006 - 30/01/2007 | Joint Committee Chair | Committee on the Programme for Government |
| 11/05/2006 - 30/01/2007 | Deputy Speaker | Northern Ireland Assembly |
| 01/05/2002 - 28/04/2003 | Committee Member | The Causeway Sub-Committee |
| 03/10/2000 - 28/04/2003 | Committee Member | Committee for Enterprise, Trade and Investment |
| 01/09/2000 - 28/04/2003 | Committee Member | Northern Ireland Assembly Commission |
| 30/11/1999 - 28/04/2003 | Committee Member | Committee on Standards and Privileges |
| 30/11/1999 - 12/11/2001 | Committee Member | Committee for Regional Development |