Utilize the input text as a context reference, choose the right relationship between Facebook and Mark Zuckerberg 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.

Apple CEO Tim Cook is due to drop by Modi's hotel in San Jose, before the Indian leader joins Mark Zuckerberg for a "townhall" session broadcast live from Facebook headquarters.

Answer: founded_by