Utilize the input text as a context reference, choose the right relationship between Sergio Marchionne and Fiat 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.

Italy's transport ministry will publish new car registration figures for June later in the day, and Fiat Chief Executive Sergio Marchionne previously said they would be just as "disastrous" as the previous month, when they fell 17.6 percent.

Answer: employer