Refer to the input text as context and select the correct relationship between 'Goldman Sachs' and 'Lloyd Blankfein' from the available options.
Options: distributed by, employer, developer, chief executive officer

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