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.

In California, he will hold a public meeting with Facebook (NasdaqGS: FB - news ) founder Mark Zuckerberg at the social network's headquarters, and visit tech giant Google (Xetra: A0B7FY - news ) and electric car and battery innovator Tesla.

Answer: founded_by