According to people with knowledge of the agency 's position , S.E.C. officials did not believe that Mr. Aguirre made a strong enough case for taking the testimony of the executive , who is John J. Mack , now the chief executive of Morgan Stanley , according to government officials knowledgeable about Mr. Aguirre 's accusations .
John J. Mack /business/person/company Morgan Stanley
VBG TO NNS IN NN IN DT NN POS NN , NNP NNS VBD RB VB IN NNP NNP VBD DT JJ JJ NN IN VBG DT NN IN DT NN , WP VBZ NNP NNP NNP , RB DT JJ NN IN NNP NNP , VBG TO NN NNS JJ IN NNP NNP POS NNS .
John J. Mack
PERSON
Morgan Stanley
ORGANIZATION
/business/person/company