He has the Ph.D. in Preventive Medicine. Main research interests are in geriatric assessment, nutritional problems, sarcopenia, health services for older and geriatric epidemiology. Landi serves on the Scientific Committee of Italian Geriatric Society, on the Editorial Board of international geriatric journals, and as a peer reviewer for medical journals. He has acted as the Principal Investigator in many multicenter national and international trials. Landi has over 250 peer-reviewed original papers, many of which are in the area of frailty and epidemiology.