From 2012, Mohammed was a key player in the Post-2015 Development Agenda process, serving as the Special Adviser to UN Secretary-General Ban Ki-moon on Post-2015 development planning.[14][15] In this role, she acted as the link between the Secretary-General, his High Level Panel of Eminent Persons (HLP), and the General Assembly’s Open Working Group (OWG), among other stakeholders.[16] From 2014, she also served on the Secretary-General's Independent Expert Advisory Group on the Data Revolution for Sustainable Development.[17]