Nelson Muffuh (Cameroon) took up his current role as Chief of Staff and Principal Adviser to the United Nations Deputy Secretary-General in the Executive Office of the Secretary-General in February 2017. Between 2012 and 2015, Nelson Muffuh shaped and coordinated the delivery of the extensive and comprehensive strategic effort to engage stakeholders and ensure their perspectives informed the post-2015 development policy, the intergovernmental process and its outcome - the 2030 Agenda, including the SDGs. Nelson has extensive strategic influencing and coordination, programme management, partnerships and communications, advocacy and mobilization, policy and knowledge management experience in the field of sustainable development, climate change, democratic governance and socioeconomic rights and has served at HQ, Regional and country level for the United Nations and other public, civil society and philanthropic entities. Prior to joining the UN System starting with UNDP/Millennium Campaign (West, Central and Eastern Africa), the UN Secretariat (New York) and UNFPA (West and Central Africa), Nelson served as a Senior Programme and Advocacy Adviser for Christian Aid (London), Programme Coordinator for the African Liberal Network/Westminster Foundation for Democracy (Africa/UK) and Programme Coordinator for Transparency International (Berlin). Nelson is a political and international relations expert as well as an international development specialist by training and studied in Germany (Frei Universitaet Berlin) and the United Kingdom (Sussex University). He is married with two children.