Dr. Hassoun is a fellow of the American College of Physicians and the American College of Endocrinology. In addition, he is an active member of American Diabetes Association (ADA), the Endocrine Society (ES), and the American Association of Clinical Endocrinologists (AACE).
He has been actively participating in developing and updating the UAE Diabetes guidelines, educating and training doctors and other healthcare providers, as well as conducting research in the field of diabetes and endocrinology.