• Senior specialist in Medical Intensive Care Unit, Hamad General Hospital, Doha, Qatar.
• Senior Registrar in Dept. of Medicine/ICU, Salmaniya Medical Complex, The Kingdom of bahrain.
• Medical Specialist in Dept. of Medicine, Wadi Dawassir Hospital, Riyadh.
• Internal Medicine Specialist - Ministry or Health, Oman.
• Internal Medicine Specialist - Ministry of Health, Maldives.