Utilize the input text as a context reference, choose the right relationship between Carlos Ghosn and Nissan 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.

** Nissan may follow alliance partner Renault by purchasing batteries for its future electric cars instead of exclusively building its own, Chief Executive Carlos Ghosn said in a Wall Street Journal interview.

Answer: employer