Procurement departments are at the core of efforts to drive sustainability in the supply chain. This report tackles the opportunities relative to engagement by procurement departments on sustainability in the supply chain, it includes interviews and case studies. This project is the outcome of one of the WBCSD Future Leaders Team 2011 group projects as part of their learning journey. It does not represent a policy or a position of the organization. It is not promoting nor validating any particular approaches or tools. The statements in this report are solely the opinions of its authors, and do not reflect their respective companies’ views in any way.