Take context from the input text and decide on the accurate relationship between 'Goldman Sachs' and 'Lloyd Blankfein' from the options provided.
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