Robert B. Willumstad , Citigroup 's former chief operating officer , left last summer and is now a director at American International Group , after months of speculation surrounding his next move .
Robert B. Willumstad
Citigroup
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Robert B. Willumstad
American International Group
/business/person/company
PERSON
Robert B. Willumstad
ORGANIZATION
Citigroup
ORGANIZATION
American International Group