Irish Prime Minister Enda Kenny told the Dail that doctors with no connection to Galway University Hospital would be appointed to replace the ones removed from the inquiry panel.
As an interim measure Paul O'Connor, formerly Director of Operations at King's College Hospital NHS Trust, has been appointed as acting chief executive.
Each hospital will carry out its own investigation, with the DoH internal inquiry looking into how Savile was appointed in 1988 to lead a taskforce overseeing management at the high security psychiatric hospital Broadmoor.