Grimshaw, who is currently managing director of the Child Support Agency, will formally take up his role on Monday 17 January.
Paice said: "I would like to thank Richard Judge for his willingness to take on the interim management while we were looking for a new Chief Executive. The clear focus he has brought to delivering SPS payments in early December and driving forward the Agency’s priorities have kept the Agency focussed on delivering services to its customers."
One of the Grimshaw’s first tasks will to implement changes to the RPA that were highlighted by the independent review of the Agency published this summer.
Prior to becoming managing director of the Child Support Agency, Grimshaw held a number of senior leadership roles with the Agency, including chief operating officer and strategic programme director where he led the delivery of the Agency’s change programme to more than 8,000 people in 80 locations across the country.
He joined the Agency from Jobcentre Plus in 2005 where he was the executive director responsible for employer engagement.