The Progressive Conservatives announced Thursday that Charleswood MLA Myrna Driedger will become deputy and interim leader, replacing Kelvin Goertzen as deputy.

The interim leader title relates to the fact new PC caucus leader Brian Pallister must still win a seat in the legislature to become the official leader of the opposition. Pallister is now running in the Sept. 4 byelection for Fort Whyte.

Prior to the announcement, Pallister said a party must evolve to cope with the current political context.

"I look at the next four years as an opportunity for us initially to strengthen the PC party, in terms of its ability to operate at the constituency level and work cohesively here at the legislature," Pallister said.

Goertzen will take over as house leader from Mavis Taillieu, who moves on to serve as the caucus whip.

Blaine Pedersen will take the caucus chair post on from Ralph Eichler, who did not receive a new caucus role.

"This is the leader putting his stamp on things. He will decide how we wants the caucus to operate," said Pedersen. "Each leader has to put their own stamp on it."