November 20, 2025 Alexander Ruebben, Driving Innovation in Drug-Coated Balloon Technology In the world of medical innovation, few founders combine scientific advancement, entrepreneurship, and humanitarian responsibility the way Alexander Ruebben does. Of German–Italian heritage and born in Germany, Ruebben brings a uniquely European perspective to medical innovation — one shaped by both Italian compassion and German scientific discipline. A medical doctor, inventor, and cro