What is the relationship between Virgin Group and Richard Branson in the context of the input sentence. Choose an answer from: 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.

Virgin Group founder and chairman Richard Branson visited Sydney on Tuesday, where Virgin Australia consulting chef Luke Mangan taught him how to plate a business class dish.

Answer: director_/_manager