Utilize the input text as a context reference, choose the right relationship between Ruth Porat and chief financial officer 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.

"We continue to close the gap between mobile and desktop search monetization," Google's new chief financial officer Ruth Porat said during her first earnings call at the company.

Answer: position_held