The pressure mounted in April after key investment banker Joseph Perella quit.

FORBES

Today, Morgan Stanley confirmed its top investment banker and another member of that rainmaker group, Joseph Perella Joseph Perella , would quit the firm, as would his longtime deputy, Tarek Abdel-Meguid Tarek Abdel-Meguid .

FORBES: Wasserella, The Sequel?

Morgan Stanley has been under siege since a senior management reshuffle in late March that resulted in the departures of several star bankers, including Vikram Pandit , head of the institutional securities unit, John Havens , head of equities, and Joseph Perella , a key rainmaker.

FORBES: Tending Garden