Dr. Guido Grappiolo is Orthopedics Hip and Prosthesis Unit Director in Humanitas Research Hospital. Since 1991, Dr. Guido Grappiolo began working as a researcher dedicated mainly to hip surgery in cooperation with internationally renowned authors such as: Prof. Ganz Prof. T. Gruen, Prof. D. Blaha (U.S.A.), Prof. H. Wagner (Germany), Prof. E. Morscher (Switzerland).

To encourage research in orthopedics lays the scientific basis for the establishment and organization of the "Foundation Livio Sciutto – NPO", an organization of which Dr. Grappiolo is the scientific direction. Playing this role, dr. Grappiolo has been creating and maintaining contacts with other national and international research institutes, which trained thousands of surgeons coming from every country of the world.

The organization has one of the largest hip replacement database of the world: more than 45.000. Dr. Grappiolo is mentored by Dr. Spotorno (a master and pioneer in prosthetic surgery), and their group studied and developed some of the bestselling prosthesis in the world. His research led him to contact the major international schools with which he collaborates in the search for new strategies of improvement in prosthetic minimally invasive and computer-assisted conservative surgery with the development of new prosthetic models and exploration of new materials.