Donald Neil Plett (born May 14, 1950) is a former Canadian senator who was
leader of the Opposition in the Canadian Senate
In Canada, the leader of the Opposition in the Senate () is the leader of the largest party in the Canadian Senate not in government.
Even though the position's name is very similar to the leader of the Opposition in the House of Commons (th ...
from 2019 until 2025. He is the founding president of the
Conservative Party of Canada
The Conservative Party of Canada (CPC; , ), sometimes referred to as the Tories, is a Government of Canada, federal List of political parties in Canada, political party in Canada. It was formed in 2003 by the merger of the two main Right-wing ...
.
Early life
From 1987 to 2007 Plett, was owner and manager of Landmark Mechanical, a heating and ventilation company in
Landmark
A landmark is a recognizable natural or artificial feature used for navigation, a feature that stands out from its near environment and is often visible from long distances.
In modern-day use, the term can also be applied to smaller structures ...
,
Manitoba
Manitoba is a Provinces and territories of Canada, province of Canada at the Centre of Canada, longitudinal centre of the country. It is Canada's Population of Canada by province and territory, fifth-most populous province, with a population ...
, 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.
According to the Senate website Plett,
His father Archie, a lifelong Conservative, introduced Plett to the world of politics when he was just fifteen. He mentored and encouraged him and in 1965 Plett worked as a youth volunteer on the Honourable
Jake Epp
Arthur Jacob "Jake" Epp, (born September 1, 1939) is a Canadians, Canadian executive and former politician.
Life and career
Born into a Mennonite family in Manitoba, Epp was a high school history teacher in Steinbach, Manitoba before entering ...
's federal campaign.
In 2000, Plett successfully managed the
Vic Toews
Victor Toews (; born September 10, 1952) is a Canadian politician and jurist. Toews is a justice of the Court of King's Bench of Manitoba. He represented Provencher in the House of Commons of Canada from 2000 until his resignation on July 9, ...
Canadian Alliance campaign where Toews defeated incumbent Liberal MP
David Iftody by a large margin.
Plett became interim president of the Conservative Party of Canada at its creation in 2003 from the merger of the
Canadian Alliance
The Canadian Alliance (), formally the Canadian Reform Conservative Alliance (), was a centre-right to right-wing federal political party in Canada that existed under that name from 2000 to 2003. The Canadian Alliance was the new name of the ...
and the
Progressive Conservative Party of Canada
The Progressive Conservative Party of Canada (PC; ) was a Centrism, centre to centre-right List of federal political parties in Canada, federal political party in Canada that existed from 1942 to 2003.
From Canadian Confederation in 1867 unti ...
and was officially elected to the position in at the party's first policy convention in 2005, defeating Montreal lawyer Brian Mitchell. He was succeeded by
John Walsh in 2009.
Senate career
On August 27, 2009, the
office of Prime Minister Stephen Harper announced that Plett was among nine new appointees to the Senate. His is one of many appointments made in thanks to service to the governing Conservative Party. Other appointees include
Carolyn Stewart-Olsen, the prime minister's former press secretary, and
Doug Finley, former Conservative Party chair.
Senator Plett was appointed Opposition Whip for the Conservative Senate Caucus and serves on the Standing Senate Committee on Legal & Constitutional Affairs and Agriculture & Forestry. He is also Chair of the Advisory Working Group tasked with studying and recommending changes to the Senate's administrative rules.
Plett served as co-chair of the
Canada-China Legislative Association a
non-partisan
Nonpartisanship, also known as nonpartisanism, is a lack of affiliation with a political party and a lack of political bias.
While an ''Oxford English Dictionary'' definition of ''partisan'' includes adherents of a party, cause, person, etc., ...
forum established in 1998 for the discussion of bilateral and multilateral issues concerning Canada and the
People's Republic of China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
. On 1 October 2014 the Canada-China Foreign Investment Promotion and Protection Agreement (FIPA) came into force. This date was announced by International Trade Minister
Ed Fast
Edward D. Fast (born June 18, 1955) is a Canadian politician who served as the member of Parliament (MP) for Abbotsford from 2006 to 2025. A member of the Conservative Party, he was Minister for International Trade and Minister for the Asia ...
in a news release on 12 September 2014.
In a rare move Plett spoke out against the motion into the Senate to suspend
Mike Duffy
Michael Dennis Duffy (born May 27, 1946) is a former Canadian senator and Canadian television journalist. Prior to his appointment to the upper house in 2008, he was the Ottawa editor for CTV News Channel. Upon turning 75 on May 27, 2021, Duf ...
,
Pamela Wallin
Pamela Wallin (born April 10, 1953) is a Canadian politician, former television journalist, and diplomat who served as a senator. She was appointed to the senate on January 2, 2009, where she initially sat as a Conservative.
Early life and c ...
and
Patrick Brazeau without pay before a single charge had been laid. Plett, calling on fairness and justice, argued, "Honourable Senators, just because something is within our rights, does not make it the right thing to do." National Post journalist observed that Don Plett, the owner of a plumbing business from Landmark, Manitoba, is representative of the base of the Conservative party.
In 2017, Plett defended fellow Conservative Senator
Lynn Beyak following Beyak's controversial statements in support of
Canadian Indian residential schools
The Canadian Indian residential school system was a network of boarding schools for Indigenous peoples. The network was funded by the Canadian government's Department of Indian Affairs and administered by various Christian churches. The scho ...
.
In 2019, Plett was elected by colleagues as the
Leader of the Opposition in the Senate, succeeding
Larry Smith.
In 2020, Pletts voiced support for
Donald Trump
Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who is the 47th president of the United States. A member of the Republican Party (United States), Republican Party, he served as the 45 ...
and the
Republican Party in the
2020 United States presidential election
United States presidential election, Presidential elections were held in the United States on November 3, 2020. The Democratic Party (United States), Democratic ticket of former vice president Joe Biden and California junior senator Kamala H ...
and
Senate elections.
In December 2020, Plett vacationed in Mexico during the
COVID-19 pandemic
The COVID-19 pandemic (also known as the coronavirus pandemic and COVID pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an disease outbreak, outbreak of COVID-19 in Wuhan, China, in December ...
, despite government warnings advising against such trips. Plett returned to Canada on December 31 after reconsidering his decision. Earlier that year he had co-signed a directive barring all MPs and senators from travelling outside Canada as part of interparliamentary delegations.
Plett ceased to be a senator on May 14, 2025, upon reaching the mandatory retirement age of 75 years old for Canadian senators.
References
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External links
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{{DEFAULTSORT:Plett, Don
1950 births
Living people
Canadian Mennonites
Canadian political consultants
Canadian senators from Manitoba
Conservative Party of Canada senators
Leaders of the opposition in the Senate of Canada
People from Eastman Region, Manitoba
21st-century members of the Senate of Canada