Diana Janet McQueen[1] ECA (born June 7, 1961) is a Canadian politician, who was elected in the 2008 provincial election to represent the electoral district of Drayton Valley-Calmar in the Legislative Assembly of Alberta as a member of the Progressive Conservative caucus.
After Alison Redford won the 2011 Progressive Conservative Leadership Convention, McQueen was sworn in during the final session of the 27th Alberta Legislative Assembly as the Alberta Minister of Environment and Water.
[2] In December 2013, she was moved from the environment portfolio and became Minister of Energy.
When Jim Prentice became premier in September 2014, McQueen was appointed Minister of Municipal Affairs; in March 2015 she was given the additional responsibility of being in charge of the province's response to climate change.
Prior to standing in the provincial election, McQueen was mayor of Drayton Valley from 2001 to 2008.