A. Marc Gillinov, MD, is currently a staff cardiac surgeon at the Sydell and Arnold Miller Family Heart & Vascular Institute at Cleveland Clinic and he is board-certified by the American Board of Surgery and the American Board of Thoracic Surgery. He holds the Judith Dion Pyle Chair in Heart Valve Research at Cleveland Clinic and is principal investigator of The Atrial Fibrillation Innovation Center, a $23 million program funded by the State of Ohio. Dr. Gillinov has special expertise in minimally invasive cardiac surgery on mitral valve, aortic valve, and tricuspid valve; robotic valve surgery; mitral valve repair; aortic valve replacement; surgical treatment and minimally invasive surgery for atrial fibrillation; off-pump coronary artery bypass surgery and high-risk mitral valve surgery. In addition, he is Surgical Director of the Center for Atrial Fibrillation at Cleveland Clinic. He has performed approximately 4,330 (average 361/year; through 2009 since at Cleveland Clinic) cardiac surgeries, of which 2,648 (average 221/year; through 2009 since at Cleveland Clinic) involved heart valve procedures. He also performs about 100 robotic procedures annually.