TERA (acronym of TErapia con Radiazioni Adroniche), is a non-profit institution created in 1992 and recognized as a moral entity by the Italian Ministry of Health in 1994. Its mission is to develop the radiotherapy techniques based on the use of hadrons and, more generally, the application of physics and information technology to medicine and biology. TERA has its legal headquarters in Novara (Italy) and laboratories at the European Center for Nuclear Research (CERN) in Geneva (Switzerland). Over its lifetime, TERA has employed and trained over 200 experts in the field of medical accelerators, detectors and treatment.