关于推荐人的选择有很多不同的说法,但是我个人认为,关键还是看这个人跟你的关系是不是很紧密,对你的了解,不仅仅是个性的了解,更重要的是工作能力的了解是不是全面,一般推荐信需要从communication skill, leadership, teamwork, areas to improve等多个角度考虑。一般直属老板,客户等比较能体现这些内容,这些内容你那个朋友能cover嘛?
Booth Class of 2013 is quite diverse. You can find background from all major MBA applicants...banking/consulting/corporate finance/audit/IT/PE/reporter etc. So don't worry about that. As to the GT, quite high in general, 730+ 104+. WE from 3-5 years.
Your future classmates profile (Chinese mainland), as far as you konw currently? industry/ function ratio? GT, WE?