Donna Roberts is a senior economist at the Economic Research Service, US Department of Agriculture. She served as a delegate to the WTO's Committee on the Application of Sanitary and Phytosanitary Measures while on assignment at the US Trade Representative's Permanent Mission in Geneva from 1996 to 2002. In her current position, she continues her research on food regulation and trade.
David Orden is senior research fellow at the International Food Policy Research Institute and professor in the department of agricultural and applied economics, Virginia Polytechnic Institute and State University. He was visiting fellow at the University of New South Wales (1990-91), chairman of the International Agricultural Trade Research Consortium (1996-98), and visiting professor at Stanford University (1998-99). He is coauthor of Policy Reform in American Agriculture: Analysis and Prognosis (University of Chicago Press, 1999).