He joined the bank 19 years ago and held high positions, at a relatively young age.
Burundi is expected to join the bank in the near future.
He joined the bank in 1938 and retired in 1969.
Mr. Mayer joined the bank as vice president in 1951.
"This is the first time I've thought about benefits since I joined the bank more than 20 years ago," she said.
Mr. Perera joined the bank in 2007 as a director.
He will be joining the bank when its business of financing large deals is booming.
He joined the bank in 1959 after a stint in the Marines.
He joined the bank 55 years ago and served as president for six years until being named chairman in 1983.
When he joined the bank in 1996, it had a staff of just six.