The High Commissioner heads the UN’s work on human rights. She has a unique mandate to promote and protect all human rights. Her office works to educate and empower individuals and assists governments in fulfilling their human rights obligations. It also provides substantive, secretariat and research support to UN human rights mechanisms such as the intergovernmental Human Rights Council and its independent experts, and expert committees that help governments implement their obligations under international human rights law. A part of the United Nations Secretariat, OHCHR has its headquarters in Geneva, with representatives in 54 countries.