Though stock options for the company will open to investors in about a year and a half , Oleg Deripaska , Rusal 's head , will retain a controlling share .
Oleg Deripaska /business/person/company Rusal
IN NN NNS IN DT NN MD VB TO NNS IN IN DT NN CC DT NN , NNP NNP , NNP POS NN , MD VB DT JJ NN .
Oleg Deripaska
PERSON
Rusal
LOCATION
/business/person/company