Take context from the input text and decide on the accurate relationship between 'Bruce Flatt' and 'Brookfield Asset Management' from the options provided.
Options: owned by, employer, currency, legal form

In May, Brookfield Asset Management chief Bruce Flatt told shareholders in a letter that the company was looking to raise about $US21 billion across 2015 and early 2016 to fund a massive buying spree.
employer