Robert B. Willumstad , who was Citigroup 's chief operating officer , left in September and is now a director at the American International Group .
Robert B. Willumstad /business/person/company Citigroup
Robert B. Willumstad /business/person/company American International Group
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Robert B. Willumstad
PERSON
Citigroup
ORGANIZATION
/business/person/company
Robert B. Willumstad
PERSON
American International Group
ORGANIZATION
/business/person/company