Prof. Emanuele Marzetti is a board-certified Geriatrician, Associate Professor of Internal Medicine, and the Director of the Orthogeriac Unit at the Department of Geriatrics, Orthopedics and Rheumatology of the Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS at the Università Cattolica del Sacro Cuore (Rome, Italy). He is also the Scientific Director of the Biogerontology lab of the Università Cattolica del Sacro Cuore (Rome, Italy). From 2008 to 2010, Prof. Marzetti held a Lecturer position in Biochemistry of Aging at the University of Florida (Gainesville, FL, USA). His research focuses on the mechanisms responsible for skeletal muscle and cardiovascular aging, with a special interest in mitochondrial pathophysiology, as well as the factors leading to frailty and disability in older adults with chronic degenerative conditions.