# Derek Mombourquette

Derek Mombourquette (born July 14, 1980) is a Canadian politician. He represents the district of Sydney-Whitney Pier and is the interim leader of the Nova Scotia Liberal Party.

## Early life and education

Mombourquette attended Cape Breton University, serving as both President and Vice-President of the student union.

## Political career

Mombourquette served on the municipal council of the Cape Breton Regional Municipality from 2008 to 2012.
In 2013, Mombourquette ran for the Liberals in Sydney-Whitney Pier in the 2013 election, losing to incumbent MLA Gordie Gosse.
He was elected to the Nova Scotia House of Assembly in a by-election on July 14, 2015, for the riding of Sydney-Whitney Pier.
Mombourquette was re-elected in the 2017 election. On June 15, 2017, he was appointed to the Executive Council of Nova Scotia as Minister of Municipal Affairs. On July 5, 2018, Mombourquette was moved to Minister of Energy and Mines in a cabinet shuffle.
Mombourquette was re-elected in the 2021 election, however the Rankin Liberals lost government becoming the Official Opposition.
As of September 22, 2024, Mombourquette serves as the Official Opposition critic for Education and Early Childhood Development as well as for Community Services.
In the 2024 Nova Scotia general election, Mombourquette and Iain Rankin were the only Liberal candidates elected.
On December 10, 2024, Mombourquette was named interim leader of the Nova Scotia Liberal Party.

## Election record

vte2021 Nova Scotia general election: Sydney-Membertou :
| Party | Candidate | Votes | % | ±% |
| | Liberal | Derek Mombourquette | 4,561 | 54.27 | +15.55 |
| | New Democratic | Madonna Doucette | 2,377 | 28.28 | -8.75 |
| | Progressive Conservative | Pauline Singer | 1,467 | 17.45 | -6.80 |
| Total valid votes | Total valid votes | Total valid votes | 8,405 | 99.44 |
| Total rejected ballots | Total rejected ballots | Total rejected ballots | 47 | 0.56 |
| Turnout | Turnout | Turnout | 8,452 | 52.66 |
| Eligible voters | Eligible voters | Eligible voters | 16,049 |
| | Liberal hold | Liberal hold | Swing | Swing | +12.15 |
| Source: Elections Nova Scotia |||||||
vte2017 Nova Scotia general election: Sydney-Whitney Pier :
| Party | Candidate | Votes | % | ±% |
| | Liberal | Derek Mombourquette | 3,656 | 38.72 | -10.33 |
| | New Democratic | Madonna Doucette | 3,496 | 37.03 | +6.88 |
| | Progressive Conservative | Laurie MacIntosh | 2,290 | 24.25 | +3.45 |
| Total valid votes | Total valid votes | Total valid votes | 9,442 | 100.0 |
| Total rejected ballots | Total rejected ballots | Total rejected ballots | 62 | 0.65 |
| Turnout | Turnout | Turnout | 9,504 | 52.80 |
| Eligible voters | Eligible voters | Eligible voters | 18,001 |
| | Liberal hold | Liberal hold | Swing | Swing | -8.61 |
| Source: Elections Nova Scotia |||||||
vteNova Scotia provincial by-election, July 14, 2015: Sydney-Whitney Pier On the resignation of Gordie Gosse :
| Party | Candidate | Votes | % | ±% |
| | Liberal | Derek Mombourquette | 3,794 | 49.05 | +5.02 |
| | New Democratic | Madonna Doucette | 2,332 | 30.15 | -19.22 |
| | Progressive Conservative | Brian E. MacArthur | 1,609 | 20.80 | +14.20 |
| Total valid votes | Total valid votes | Total valid votes | 7,735 | 99.55 |
| Total rejected ballots | Total rejected ballots | Total rejected ballots | 35 | 0.45 |
| Turnout | Turnout | Turnout | 7,770 | 42.60 |
| Electors on the lists | Electors on the lists | Electors on the lists | 18,238 |
| | Liberal gain from New Democratic | Liberal gain from New Democratic | Swing | Swing | +12.12 |
vte2013 Nova Scotia general election: Sydney-Whitney Pier :
| Party | Candidate | Votes | % | ±% |
| | New Democratic | Gordie Gosse | 5,084 | 49.37 | −5.25 |
| | Liberal | Derek Mombourquette | 4,534 | 44.03 | +8.80 |
| | Progressive Conservative | Leslie MacPhee | 680 | 6.60 | −1.79 |
| Total valid votes | Total valid votes | Total valid votes | 10,298 | 99.40 |
| Total rejected ballots | Total rejected ballots | Total rejected ballots | 62 | 0.60 |
| Turnout | Turnout | Turnout | 10,360 | 57.86 |
| Electors on the lists | Electors on the lists | Electors on the lists | 17,906 | – |
| | New Democratic hold | New Democratic hold | Swing | Swing | −7.03 |
| Source(s) "Voters in two Cape Breton ridings head to polls Tuesday". Cape Breton Post. July 13, 2015. |||||||