Gernot Felmet, MD, is a renowned Consultant Orthopedic and Trauma Surgeon who works at the Artico Sports Clinic in Villingen-Schwenningen, Germany, which he himself founded. From 2014 to 2016, Dr. Felmet served as President of EFOST (European Federation of National Associations of Orthopaedic and Sports Traumatology), having previously been Vice-President of the organization. In 2014 he was responsible for the foundation of the Biological Ligament and Joint Academy (BLJA) in collaboration with EFOST. During his career, Dr. Felmet has introduced a variety of techniques and devices. In 1995 he first proposed "all-press-fit" foreign material-free ACL reconstruction and BTT (bottom to top) fixation and self-adapted graft tensioning. Subsequently, he became the first to use a diamond cutter in material-free ACL reconstruction and a hollow reamer in a robotic system (CASPAR, OrthoMaquet). In 2004 he developed a single-stage material-free ACL revision procedure and more recently he introduced use of the crown and micro-crown cutter and the "vastus medialis test" for quadriceps, "ischiocrural test" for hamstring quality and the digital Rolimeter "Articometer" measurement for transversal instability.