Brian Mason (born October 12, 1953) is a Canadian politician and has been leader of the Alberta New Democrats (NDP) since 2004. Mason was first elected as a Member of the Legislative Assembly of Alberta for Edmonton-Highlands-Norwood in a 2000 byelection, and his career in politics spans more than 20 years. He was born in Calgary, Alberta.Mason has lived in Edmonton-Highlands-Norwood for over 20 years. He and his wife Karin have two sons, Peter and Alex.On April 29, 2014, Brian Mason announced that, after a decade in the position, he will step down as leader as soon as a leadership convention can be held to choose his successor; one has been scheduled for October 18 to 19, 2014 Mason is the longest serving NDP MLA in Alberta history.