Utilize the input text as a context reference, choose the right relationship between ZocDoc and Cyrus Massoumi 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.

(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