Leo Housakos

Leo Housakos
Leader of the Opposition in the Senate
Assumed office
May 14, 2025
Leader
Preceded byDon Plett
Canadian Senator
from Quebec (Wellington)
Assumed office
January 8, 2009
Nominated byStephen Harper
Appointed byMichaëlle Jean
Preceded byAurélien Gill
Speaker of the Senate of Canada
In office
May 4, 2015  December 3, 2015
(Acting: April 24, 2015 – May 4, 2015)
Nominated byStephen Harper
Appointed byDavid Johnston
Preceded byPierre Claude Nolin
Succeeded byGeorge Furey
Deputy Whip of the Opposition
In office
2016  May 14, 2025
Personal details
Born (1968-01-10) January 10, 1968
Montreal, Quebec, Canada
Political partyConservative (federal)
Conservative (Quebec)
Other political
affiliations
Progressive Conservative (before 2000)
Canadian Alliance (2000–2003)
SpouseDemi Papapanagiotou
ChildrenPeter and Tasso
ResidenceMontreal
Alma materMcGill University (BA)
ProfessionBusinessman

Leonidas Housakos (born January 10, 1968) is a Canadian politician who has served as the senator for Wellington, Quebec since January 8, 2009. A member of the Conservative Party, Housakos was appointed on the advice of Prime Minister Stephen Harper. Housakos served as the speaker of the Senate for part of 2015. In May 2025, he was appointed Leader of the Opposition in the Senate.