Dr Francesco Feletti is an extreme sports medicine expert.He currently works as a radiologist at the S. Maria delle Croci Hospital in Ravenna, Italy.In collaboration with the Politecnico di Milano University he conducts cutting-edge academic extreme sports medicine research, and in 2013 he co-founded the ExtremeSportMed international scientific society.He is a faculty member and lecturer at the International Extreme Sports Medicine Congress, located in Boulder, Co, USA and the ambassador of that Congress in Europe.His 20-year international athletic experience in many extreme sports and background as a windsurfing, kitesurfing and sailing instructor give him unique insight into this world.