Dame Annette King has been appointed interim chair of EQC with a mandate to speed up the resolution of outstanding Canterbury earthquake claims.
The former Labour MP will be joined by Department of Customs head Christine Stevenson who has been appointed independent adviser to Megan Woods, the minister responsible for EQC.
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Ms Woods last week announced she was going to appoint an independent adviser and criticised EQC for the fact that 2600 claims were outstanding seven years after the quake.
On the same day, Sir Maarten Wevers resigned as EQC chairman.
Ms Woods on Wednesday again criticised the way EQC had gone about dealing with the claims.
"Seven years on from the earthquake there are still 2600 claims unresolved and that's simply not good enough," she said.
"Each claim represents a family that's stuck in limbo - unable to move on with their lives."
She said Dame Annette and Ms Stevenson would be tasked with working on a plan to speed up fair settlement of the outstanding claims.
"Dame Annette has spent a lifetime as a battler for ordinary people and is hugely respected on both sides of the political aisle," Ms Woods said.