What is the relationship between Jeff Bezos and Chief Executive Officer in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.
Text: NEW YORK, July 24 Amazon.com founder and Chief Executive Officer Jeff Bezos got a lot richer while he slept on Thursday night, after the company reported its quarterly earnings and its shares rose 20.1 percent.
user
position_held
assistant