Global Witness is an international NGO established in 1993 that works to break the links between natural resource exploitation, conflict, poverty, corruption, and human rights abuses worldwide. The organisation has offices in London and Washington, D.C.. Global Witness states that it does not have any political affiliation. Gillian Caldwell joined the organisation as Executive Director in July 2015 and Mark Stephens (solicitor) was appointed Chair in March 2016.