Professor M Zak Khalil is a world renowned professor of Medicine and consultant Cardiologist who has studied, trained, board certified, and worked in United States of America, Egypt, England, Canada, and Saudi Arabia. He authored several high impact articles in major peer reviewed journals, and taught medicine as well as cardiology to undergraduate students, postgraduates residents, and fellows. He worked in major hospitals and provided healthcare service to numerous patients as an adult cardiovascular consultant. Dr. Zak has built, over the years, a strong professional