Investigators in the New York attorney general 's office are examining communications involving the chairman of Berkshire Hathaway , Warren E. Buffett , and the chief executive of a unit of Berkshire who arranged a questionable transaction with Maurice R. Greenberg when he was chief executive of the American International Group .
American International Group
Maurice R. Greenberg
/business/company/major_shareholders
Maurice R. Greenberg
New York
/people/person/place_of_birth
Maurice R. Greenberg
American International Group
/business/company_shareholder/major_shareholder_of
LOCATION
New York
ORGANIZATION
Berkshire Hathaway
ORGANIZATION
Berkshire
PERSON
Maurice R. Greenberg
ORGANIZATION
American International Group