You should check out Hult International Business School! It has two ‘home’ campuses one in London and one in San Fran. Although it doesn’t offer mandarin it does have summer programs that you get to study in Shanghai or Dubai. This would be a great opportunity to learn. Also as being very international school there are plenty of opportunities to learn. It is one of the most entrepreneurial schools according to Bloomberg, there are such great opportunities at Hult!