Samuel Dhol Ayuen is a medical doctor from South Sudan. He graduated with a Bachelor of Medicine and Bachelor of Surgery from Makerere University in Kampala, Uganda, and a certificate in Global Health from Leiden University, in the Netherlands. He has also completed a Master of Science in International Health and Tropical Medicine from the University of Oxford.

Before joining IDDO, Samuel Dhol was a medical doctor providing medical and surgical services in Kampala, Uganda and Juba, South Sudan. He mainly treated tropical infectious diseases like Malaria, HIV/AIDS and opportunistic infections, tuberculosis, leishmaniasis, schistosomiasis and other neglected tropical diseases (NTDs) and provided clinical services to women and children. He also provided surgical, obstetrics and gynaecological and paediatrics services to the internally displaced persons (IDPs) on the outskirts of the South Sudanese capital, Juba.

Samuel Dhol joined IDDO in 2023 as an Evidence Synthesis Officer and is working on the Severe Malaria project and the WWARN Clinical Trials Library.

He is passionate about research and evidence-based medicine and it is this passion that has driven him to garner more skills and knowledge through engaging in research that would provide evidence to inform health policies and translate policies into practice.