Michael Klein is an author, and former World Bank official. Klein has published and co-authored several policy papers on the emerging markets and the effectiveness of foreign aid.
He has regularly argued for enabling the private sector to bring about economic development rather than direct aid to the poorest nations. A paper he co-authored with Tim Harford in 2005, says:
Klein is a German national and joined the World Bank as a youth through the Young Professionals program. He retired in 2009.