Dr. Paolo Madeddu is an expert on the human protein KLK1 and the kallikrein-kinin-system, he has over 310 publications including over 55 related to KLK1, and internationally known for his research and publications. Dr. Madeddu obtained his MD degree in 1976 at the University of Sassari (Italy) and in 1980 became Specialist of Cardiology from the University of Sassari. He worked as a Senior Consultant for the Internal Medicine Department and Chief of the Regenerative Medicine Center in Osilo and Porto Conte Ricerche until 2005.