Du Dawei is a colonel in the United States Army and a professor at the University of Southern California. From 199 1 to 1993, he taught at Lanzhou University. 200 1 so far, teaching at the School of International Economics and Trade, Beijing Foreign Studies University. At present, he is the deputy director of the Institute of International Economics and Trade of Beijing Foreign Studies University, the consultant of the expert group of the Beijing Citizens Speaking Foreign Languages Activity Organizing Committee (organizing committee, English translation of bilingual signs in public places), and the founder of the Ask Me proposal.