As part of changes under Sumner M. Redstone , Viacom 's chairman and chief executive , Mel Karmazin departed as Viacom 's president in June , and Leslie Moonves and Tom Freston were named co-presidents .
Leslie Moonves /business/person/company Viacom
Leslie Moonves /business/person/company Viacom
IN NN IN NNS IN NNP NNP NNP , NNP POS NN CC JJ NN , NNP NNP VBD IN NNP POS NN IN NNP , CC NNP NNP CC NNP NNP VBD VBN NNS .
Leslie Moonves
PERSON
Viacom
ORGANIZATION
/business/person/company
Leslie Moonves
PERSON
Viacom
ORGANIZATION
/business/person/company