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Robbie Butler MLA (born 16 April 1972) is a Unionist politician from Northern Ireland, who has been the Deputy Leader of the Ulster Unionist Party (UUP) since May 2021. He has been a Member of the Northern Ireland Assembly (MLA) for Lagan Valley since May 2016. He is the Ulster Unionist Party's representative for Mental Health and for Education. He is an officer in the Boys' Brigade at 1st Magheragall. Before entering politics, Butler worked as a butcher from the age of 16, became a prison officer in 1996 and then a firefighter in 2000.