Valentina Calderone has been the Guarantor for the rights of persons deprived of their liberty of Roma Capitale since March 2023. From 2013 to 2023 she was the director of 'A Buon Diritto Onlus' and dealt with police abuse, deprivation of liberty and immigration. During the 17th Legislature, she was a member of the staff of the Senate Extraordinary Commission for the Protection and Promotion of Human Rights. She is the author, among others, of the books "Quando hanno aperto la cella" (Il Saggiatore 2011), "Abolire il carcere" (Chiarelettere 2015), "Il carcere è un mondo di carta" (Momo edizioni 2024).