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