NEW YORK (Reuters) - Citigroup Inc
Das took over Citigroup's mortgage business at the height of the financial crisis in 2008 as it was losing billions of dollars on bad subprime housing bets. He will remain at the bank for a few months to assist on mortgage issues related to the government, according to the memo.
Fraser has been CEO of Citi's private bank for the past four years. Mark Mason, who is CEO of Citi Holdings, will take over that role.
Francesco Vanni d'Archirafi, who now leads Citigroup's transaction services business, will take over as CEO of Citi Holdings, the division that holds all noncore assets that Citi is winding down or selling.
(Reporting by Lauren Tara LaCapra; Editing by Gerald E. McCormick)