Utilize the input text as a context reference, choose the right relationship between 'Goldman Sachs' and 'Lloyd Blankfein' from the options.
Options: distributed by, chief executive officer, employer, developer

Shares of Goldman Sachs were down 1.5 percent at $180.50 premarket as Chief Executive Lloyd Blankfein said he had a "highly curable" form of lymphoma.
chief executive officer