This report focuses on key issues discussed during a two-day Consultation on “Developing Guidance for Effective Mediation”, held in Jeddah, Saudi Arabia on 3 and 4 April 2012. Hosted by the OIC and organized together with the UN and the OSCE, one of the Consultation’s principal objectives was to make a significant contribution to the development of guidance for more effective mediation, which the UN General Assembly requested the UN Secretary-General to develop.