Dr. Zia has over 20 years of work experience in the field of Internal Medicine. After graduation from Sindh Medical University, Karachi, Pakistan, he spent time as a resident at Columbia University and as a hospitalist at Bare Hill, New York, USA. He was previously also Assistant Professor of Medicine, Baqai Medical University, Karachi, Pakistan and a consultant for Saudi Aramco Medical Services in Saudi Arabia. He is a member of the American College of Physicians, the Pakistan Medical and Dental Council and the Saudi Council of Health Specialities. Core competencies Obesity and metabolic syndrome ,High blood pressure and cholesterol ,Rheumatologic and autoimmune diseases ,Acute and chronic chest diseases ,Electrolyte problems