Dr Bruce Campbell has degrees in Ecology from Cape Town (B.Sc. Hons.), Minnesota (M.Sc.) and Utrecht (Ph.D.), but has increasingly moved into inter-disciplinary work, championing new approaches to doing applied research on natural resource management. He is Director of the CGIAR Research Programme on Climate Change, Agriculture and Food Security (CCAFS) (www.ccafs.cgiar.org), and a staff member of the International Centre for Tropical Agriculture (CIAT).