CRF is deeply saddened by the passing of Professor Jo Dens. A widely respected interventional cardiologist, educator, and mentor, he was a beloved figure in the European CTO community who trained and inspired countless physicians throughout his career. Remembered for his expertise, generosity, and remarkable spirit, Professor Dens leaves an enduring legacy that will continue to shape cardiovascular care for years to come. Our heartfelt condolences go out to his family, friends, and colleagues.