BlackRock (BLK) is the world's largest publicly traded investment management firm. As of September 30, 2016, it had assets under management, or AUM, of $5.1 trillion. This is ~7% of the total assets under management across the globe.
Ewen was Chief Investment Strategist for BlackRock and the BlackRock Investment Institute. He earned an MA degree, with honors, in modern history from Oriel College, Oxford University.