Take context from the input text and decide on the accurate relationship between 'Ivan Glasenberg' and 'Glencore' from the options provided.
Options: developer, owner of, chairperson, manufacturer

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