Aninia has worked for Sphere in different capacities. In 2017-18, she was heavily involved in the revision of the Sphere Handbook 2018. Prior to joining Sphere, Aninia was Country Analyst at the Internal Displacement Monitoring Centre (IDMC) where she was responsible for the Horn of Africa. Before that she worked in the Netherlands, focusing on Dutch and EU refugee and asylum policy issues with Dutch non-profit organisations. Prior to that, she did refugee status determination for the Swiss Federal Office for Refugees.