Philip Martin is Professor of Agricultural and Resource Economics at the University of California-Davis, USA. He has served on several federal commissions, testifies frequently before Congress, and works for UN agencies around the world on labour and migration issues. Prof. Martin is an award-winning author whose research focuses on the impacts of migrant workers on labour markets in destination countries, the effects of emigration and remittances on sending countries as well as and the recruitment business that moves workers over borders. His most recent book is Managing Merchants of Labour: Recruiters and International Labour Migration (Oxford, 2017). He also edits Rural Migration News online.