In the context of the input sentence, determine the relationship between 'ZocDoc' and 'Cyrus Massoumi'.
Options: original broadcaster, founded by, location of formation, legal form

(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 .
founded by