Betsey Stevenson is a business and public policy researcher at the Wharton School of the University of Pennsylvania.

VOA: special.2010.03.04

Nolan Bowie I'm Nolan Bowie. I'm a senior fellow Adjunct Lecturer in Public Policy at the Kennedy School of Government, Harvard University.

我是,我是哈佛大学，肯尼迪政府学院公共关系的特邀高级讲师。

麻省理工公开课 - 媒体、教育、市场课程节选