Nusseibeh was a consultant for
UNESCO in Paris from 2000 to 2001, and an analyst with the Security and Terrorism Programme of the
Gulf Research Center from 2004 to 2006. She was head of the
International Renewable Energy Agency taskforce before beginning work within the UAE Ministry of Foreign Affairs from 2009, first as Director of the Policy Planning Department and then as Special Envoy to
Afghanistan and
Pakistan. the first woman in the position. She was elected as one of the Vice Presidents for the
72nd session in 2017, representing the
Asia-Pacific group of member states. She was formerly President of the
UN Women Executive Board in 2017. She is also co-chair of the Friends of the Future of the UN. ==Awards and honours==