In December 2019, Dr. Al Muraikhi was appointed as the Special Advisor to the Secretary-General of the United Nations on Public-Private Partnerships and Islamic Social Finance, aligning with the Secretary-General's vision and efforts to address the root causes of disasters and humanitarian conflicts, take more preventive measures, and improve the quality of the United Nations› response to these crises. Previously, Dr. Al Muraikhi was appointed as a Humanitarian Envoy on behalf of then-UN Secretary-General Ban Ki-moon. As a humanitarian envoy, Dr. Al Muraikhi worked with the Under-Secretary-General for Humanitarian Affairs to support multilateral humanitarian efforts by introducing governments and non-governmental organizations to various humanitarian crises around the world. Dr. Al Muraikhi also served as an Ambassador at the Ministry of Foreign Affairs in the State of Qatar, the Vice President of the Regulatory Authority for Charitable Activities (RACA), the Founding Director of the International Development Department at the Ministry of Foreign Affairs, and the Director General of the Qatar Fund for Development.​