Aoun assumed his current role in 2023. Dar Afia Hospital, established in 2007, provides comprehensive, patient-centered care across multiple specialties. In July 2025, it signed a strategic partnership with Al Rajhi Takaful to offer full medical coverage for its beneficiaries. Aoun previously held leadership roles including Vice CEO of Al Hayat Hospital, Group COO and Regional Medical Director of Al Hokail Medical Group.