Calandra (born May 13, 1970) is a Canadian politician, who served in the House of Commons of Canada from 2008 to 2015 and in the Legislative Assembly of Ontario since 2018.
He currently serves as Ontario's Government House Leader since June 20, 2019 when he was promoted during cabinet reshuffle.
He was first elected to represent the electoral district of Oak Ridges—Markham in the 2008 Canadian federal election.
He is a member of the Conservative Party of Canada and in the past has been involved in the Progressive Conservative Party of Ontario and the Canadian Alliance.
He was the Parliamentary Secretary to the Prime Minister of Canada and for Intergovernmental Affairs.In the 2015 federal election, he was a candidate in the Markham—Stouffville riding, created as a result of the federal electoral redistribution of 2012 and was defeated by Jane Philpott.
In the 2018 Ontario General Election, Calandra defeated Helena Jaczek by 11,905 votes to represent the riding of Markham-Stouffville as a member of the Progressive Conservative Party of Ontario.