In the context of the input sentence, determine the relationship between 'Facebook' and 'Mark Zuckerberg'.
Options: founded by, position held, product/material produced, chairperson

A federal appeals court has upheld the dismissal of litigation by Facebook shareholders who accused Chief Executive Mark Zuckerberg and other officials of deceiving them about the social media company's growth prospects prior to its May 2012 initial public offering.
founded by