Utilize the input text as a context reference, choose the right relationship between Jeff Bezos and Amazon from the options. Options: 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.

Amazon (NASDAQ: AMZN) 's chief executive Jeff Bezos has written to staff defending his company's human resources policy, following a New York Times article claiming a cruel and back-stabbing environment for white-collar workers at the online retailing giant.

Answer: employer