Hello from New York! We are with Dr. Pablo Gelber, who is in Barcelona, Spain. Dr. Pablo Gelber is an Associate Professor of Orthopedic and Trauma Surgery at the Autonomous University of Barcelona. He practices in several hospitals in Barcelona. We are going to discuss complex knee injury problems, especially sports-related knee trauma. Professor Gelber is particularly focused on helping patients avoid so-called “metal solutions” after knee trauma, and we will discuss this in our conversation. We will talk about the rehabilitation aspects of knee trauma treatment too. Let me now do a quick review of Professor Gelber’s biography. Dr. Pablo Gelber obtained his undergraduate and MD degrees from the University of Buenos Aires Medical School in Argentina. He defended his Doctoral thesis at the Department of Surgery, Autonomous University of Barcelona, Spain. He did fellowships and rotations in orthopedic surgery at Baylor College of Medicine in Houston, Texas, United States, a Visiting Fellowship in Sports Medicine with Dr. Freddie Fu at the University of Pittsburgh, United States, and a fellowship in the elbow and shoulder surgery in Clinical Institute Humanitas in Milan, Italy. Clinical and research interests of Dr. Pablo Gelber include diagnosis and surgical treatment of complex knee injuries. In particular, Dr. Pablo Gelber focuses on cartilage transplantation. Dr. Pablo Gelber helps patients to avoid knee replacements (so-called “metal solutions”) by using less aggressive minimally invasive surgical treatment methods. He treats complex sports injuries in professional athletes and amateur sportspeople coming to his clinic worldwide. Dr. Pablo Gelber has authored and co-authored over 70 peer-reviewed publications in international medical journals. He has taught at many international courses in sports and orthopedic surgery and presented numerous talks at international conferences on a knee injury, elbow and shoulder trauma minimally invasive treatment. Hello, Anton! Thank you very much for inviting me to share this interview with you. I am looking forward to having a nice conversation and giving some information about what we do here in Barcelona, specifically related to knee injuries and knee problems.