Shari Redstone , the president of National Amusements , has doubled the size of the company since taking it over from her father , Sumner Redstone , six years ago .
Shari Redstone /business/person/company National Amusements
Sumner Redstone /business/person/company National Amusements
Sumner Redstone /people/person/children Shari Redstone
NNP NNP , DT NN IN NNP NNP , VBZ VBN DT NN IN DT NN IN VBG PRP IN IN PRP$ NN , NNP NNP , CD NNS RB .
Shari Redstone
PERSON
National Amusements
ORGANIZATION
/business/person/company
Sumner Redstone
PERSON
National Amusements
ORGANIZATION
/business/person/company
Sumner Redstone
PERSON
Shari Redstone
PERSON
/people/person/children