Don Plett

Donald Neil Plett (born May 14, 1950) is the Leader of the Opposition in the Canadian Senate, since November 5, 2019. He is also founding president of the National Council of the Conservative Party of Canada. He is the longest serving individual to have held this position. Today he serves as a Senator. From 1987 to 2007 Plett, was owner and manager of Landmark Mechanical, a heating and ventilation company in Landmark, Manitoba, that was started by his father Archie Plett in 1957. He stepped down as manager in 2007 and his sons continue in the family business. — Senate of Canada biography

Don Plett

Donald Neil Plett (born May 14, 1950) is the Leader of the Opposition in the Canadian Senate, since November 5, 2019. He is also founding president of the National Council of the Conservative Party of Canada. He is the longest serving individual to have held this position. Today he serves as a Senator. From 1987 to 2007 Plett, was owner and manager of Landmark Mechanical, a heating and ventilation company in Landmark, Manitoba, that was started by his father Archie Plett in 1957. He stepped down as manager in 2007 and his sons continue in the family business. — Senate of Canada biography