The Department of Safety and Security (UNDSS) is a department of the United Nations providing professional safety and security services to enable the United Nations to deliver its programmes globally. UNDSS reports directly to the Secretary-General. UNDSS manages a network of security advisers, analysts, officers and coordinators in more than 100 countries in support of around 180,000 United Nations personnel, 400,000 dependents and 4,500 United Nations premises worldwide. The Department is led by Under-Secretary-General Gilles Michaud.