Robert Druskin , the head of Citigroup 's corporate and investment bank , was named chief operating officer , filling a role that has been vacant since Robert B. Willumstad left in July 2005 .
Robert Druskin /business/person/company Citigroup
Robert B. Willumstad /business/person/company Citigroup
NNP NNP , DT NN IN NNP POS JJ CC NN NN , VBD VBN NN VBG NN , VBG DT NN WDT VBZ VBN JJ IN NNP NNP NNP VBD IN NNP CD .
Robert Druskin
PERSON
Citigroup
ORGANIZATION
/business/person/company
Robert B. Willumstad
PERSON
Citigroup
ORGANIZATION
/business/person/company