David Cliff is the former Exploration Manager, Europe of Rio Tinto Exploration. During his 26 years with Rio Tinto he was involved in the discovery of three gold and one copper deposit and gained experience in the exploration of a wide variety of minerals and deposit types with a particular specialisation in copper-gold porphyry systems and epithermal precious metal systems. He has lead multinational and multidisciplinary teams in a variety of environments and jurisdictions, particularly in Central and Eastern Europe and Turkey and has extensive experience in the evaluation of mineral projects and in the negotiation of all forms of mining industry agreements.