Saeid Hosseini, MD, FETCS, is a graduate of Shiraz University of Medical Sciences (1984-1991). He trained in General Surgery (1992-1996) at the same university and trained in cardiac surgery at Rajaei Cardiovascular Center (1996-1999). After finishing his studies in Iran, he moved to Paris to learn more in the field of cardiac surgery. So in La-Pitie Hospital worked with Professor Gandjbakhch and Professor Acar to learn about aortic surgery and mitral valve repair (2000-2001) and congenital Heart Surgery with Professor Planche in CCML. He received AFSA; French specialty certificate in 2002. He then joined the faculty at Rajaei Cardiovascular Center. His clinical interests include all aspects of adult cardiac surgery, with particular interests in valve repair, Aorta, and heart failure surgery. Now he is a professor of cardiac surgery director of heart transplant and VAD department of the center and head of the Heart valve diseases research center. He received the European Board of Thoracic and Cardiovascular Surgery (FETCS) in 2012. Now he is head of the Heart Valve Diseases Research Center and also chairman of the cardiac surgery department at Rajaie Cardiovascular Medical and Research Center.