But some executives of the music unit wonder how much fat remains in its operations.
A spokesman for Marsh said the five executives would remain at their posts within the company.
Despite their increased awareness, executives remained 10 to 17 percentage points behind the true situation in perceiving office workers' views.
He said his challenge as chief executive would be remaining "responsive to our investors in this fast-changing world."
The chief executive elected would remain in office until his party loses a key vote in Congress.
The chief executives of all three divisions will remain in place and report to him.
He was delighted that his executive and scientific teams had remained intact.
When the plant is in full operation, by late next year, 24 Japanese executives will remain.
Boards should be able to ratchet some of them down after a few years if the chief executive remains at the helm.
Following the next election, however, the executive remains in office unless the new assembly again passes a no confidence resolution.