What is the relationship between ZocDoc and Cyrus Massoumi 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.

(ZocDoc) ZocDoc CEO Cyrus Massoumi ZocDoc, an eight-year-old startup that lets you book doctors appointments from your phone, has raised $130 million in funding , the company announced Thursday .

Answer: founded_by