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.

However last week’s announcement saw claims that chief executive Carlos Ghosn had been "scaremongering" when he warned that the prospect of Britain leaving the EU or renegotiating its membership terms would cause Nissan to “reconsider” its investments in the UK.

Answer: employer