In the context of the input sentence, determine the relationship between 'Ivan Glasenberg' and 'Glencore'.
Options: developer, owner of, manufacturer, chairperson

Billionaire fortune all in where you count The good news is that despite losing around half a billion US dollars in a day, Glencore boss "Aussie" Ivan Glasenberg is still a billionaire in the currencies of all the various countries that claim him as a citizen.
owner of