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.

Allen & Co.’s annual media conferences, held since 1983, have drawn industry leaders including Google Inc. Chief Executive Officer Larry Page, Facebook CEO Mark Zuckerberg and Microsoft Corp. co-founder Bill Gates.

Answer: founded_by