Liviu Klein, MD, MS, is the Director of the Mechanical Circulatory Support and Heart Failure Device Program in the Division of Cardiology at the University of California San Francisco. Dr. Klein is knowledgeable in management of advanced heart failure patients using ultrafiltration, mechanical assist devices (both percutaneous and implantable) and heart transplantation. He actively follows patients with electrical devices such as cardiac resynchronization therapy, defibrillators, pacemakers, and implantable hemodynamic monitoring systems. Dr. Klein's research expertise lies in epidemiology and clinical trial development. He is currently funded by grants from the National Institutes of Health, the American Heart Association, St. Jude Medical. Dr. Klein has published extensively in medical journals on topics of heart failure.