At Citigroup , the less-than-stellar returns of the Smith Barney mutual funds -- combined with the asset management division 's negligible contribution to the company 's bottom line -- have prompted the chief executive , Charles O. Prince , and the chief operating officer , Robert B. Willumstad , to take a hard look at the asset management business over the last few months .
Robert B. Willumstad /business/person/company Citigroup
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Robert B. Willumstad
PERSON
Citigroup
ORGANIZATION
/business/person/company