Fitaihi founded IMC in 2006. Today it employs over 3,500 people. Its multispecialty hospital has more than 150 certified physicians in over 30 specialties. In 2022, the company began an expansion of the medical tower in Jeddah to add a women’s health tower and a pediatric tower. Fitaihi is an American Board certified physician specializing in internal medicine and endocrinology, with 22 years of experience. He was previously an instructor of medicine at the Harvard Medical School.