Mr. Andreuzzi will continue as president and chief operating officer and will take on the additional post of chairman of the board's executive committee.
Lee was the first woman to take on the post of Private Secretary to the former Governor Lord Murray MacLehose.
Is there anybody brave enough to take on the post of SAA Executive Secretary?
He was not keen to take on the post in these circumstances, but agreed to do so until a better candidate could be found.
Mr. Kessel is expected to take on the vacant post of chief executive officer for several months and then retire.
But Mr. Hashimoto, who took on the post in 1991, had been expected to serve another year.
Mr. Garrison will be succeeded by Bill Davis, 43, chief executive, who will take on the added post of chairman.
You have the option of taking on the post now or later.
He then served as The Economist's Asia editor before taking on the post of Britain editor from 1997 to 2000.
In taking on the post, which has a five-year term, Ms. Nelson succeeds Leo Connellan, who died two months before his term ended.