As per FT global rankings 2017:

1. Insead, France/Singapore
2. Stanford Graduate School of Business, US
3. University of Pennsylvania: Wharton, US
4. Harvard Business School, US
5. University of Cambridge: Judge, UK
6. London Business School, UK
7. Columbia Business School, US
8. IE Business School, Spain
9. University of Chicago: Booth, US
10. Iese Business School, Spain