In June , Lazard 's Italian head of investment banking , Gerardo Braggiotti , left the firm after a dispute with its chairman and chief executive , Bruce Wasserstein .
Bruce Wasserstein /business/person/company Lazard
IN NNP , NNP POS JJ NN IN NN NN , NNP NNP , VBD DT NN IN DT NN IN PRP$ NN CC JJ NN , NNP NNP .
Bruce Wasserstein
PERSON
Lazard
ORGANIZATION
/business/person/company