Utilize the input text as a context reference, choose the right relationship between Wolfgang Hatz and Audi 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.

Audi development chief Ulrich Hackenberg and Porsche development head Wolfgang Hatz are among those who will leave, two people said.

Answer: employer