Dr. Mateen is a current member and past chair of the American Neurological Association's International Outreach Committee and of the American Academy of Neurology's Global Health Section (2014-2016) and Ethics Section (2011-2013). She is a member of the AAN Working Group on Refugees and Asylum Seekers and on the steering committee of trims.online. She has worked with the UN High Commissioner for Refugees, World Health Organization, Polio Eradication Initiative, and several NGOs. Her work includes collaborations throughout Africa, Asia, the Middle East, and South America. Dr. Mateen has published >150 academic manuscripts to advance neurological disease research and clinical care.