Kelleher decision: Ireland's most senior global banker leaving Morgan Stanley role
Colm Kelleher, the Irish-born president of financial services giant Morgan Stanley, will leave the group at the end of June.
Mr Kelleher had previously been tipped to be in line take the top chief executive role at the Wall Street bank.
The Cork native will continue to be a senior adviser after his official retirement, according to an internal memo from Morgan Stanley CEO James Gorman.
Mr Kelleher, who joined the group in 1989, has run Morgan Stanley's investment bank and trading operation since 2010.