Markus W. Ferrari is the director of the Clinic Internal Medicine 1 of the municipal hospital Wiesbaden, Helios Dr-Horst-Schmidt-Kliniken. He invented self-expanding heart valve prostheses for catheter based valve replacement and mechanical circulatory support devices. In addition, he is co-founder of several start-up companies. Markus Ferrari is author and coauthor of more than 200 publications and currently holds 46 granted patents. His major interest of research focuses on interventional cardiology, heart failure, and structural heart disease. In addition, he is reviewer and member of the editorial board of numerous journals in cardiovascular medicine, and editor of the German edition of Cardiology Up2date.