What is the relationship between Ruth Porat and chief financial officer in the context of the input sentence. Choose an answer from: 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