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Crossing the Floor

The open, bilingual record of every floor crossing in Canadian parliamentary history — from Confederation to today.

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Tim Peterson (2007) | Crossing the Floor

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Crossings
Tim Peterson

Switched Sidesprovincial- Ontario

T

Tim Peterson

2007Ontario Liberal→Progressive Conservative

0/5 - Career destroyed

Why They Crossed

Peterson, Ontario Liberal MPP for Mississauga South, left the Liberals in March 2007 over policy disagreements and joined the PCs in June 2007.

What Happened Next

Peterson was defeated in the October 2007 Ontario election as a PC candidate.

Related Crossings

Kerry Towle

Wildrose Alliance → Progressive Conservative

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Danielle Smith + 8 Wildrose MLAs

Wildrose Party → Progressive Conservative

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Ian Donovan

Wildrose Alliance → Progressive Conservative

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Joan MacAlpine-Stiles and Wally Stiles

Progressive Conservative → Liberal

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Cite This Crossing

Crossing the Floor. (2007). Tim Peterson: Ontario Liberal to Progressive Conservative (2007). Retrieved 2026-04-11, from https://crossingthefloor.ca/crossings/tim-peterson-2007

2003

Robert Lanctôt

Bloc Québécois → Liberal

Same category