| Full Name | Xavier Trias i Vidal de Llobatera |
| Birth Date | August 5, 1946 |
| Age | 77 |
| Birth Place | Barcelona, Catalonia, Spain |
| Political Party | Together for Catalonia (2022–present) |
| Previous Political Affiliations | CDC (until 2016), PDeCAT (2016–2022) |
| Profession | Pediatrician |
| Education | University of Barcelona, Degree in Medicine and Surgery |
| Mayorship | 118th Mayor of Barcelona (July 1, 2011 – June 13, 2015) |
| Preceded by | Jordi Hereu |
| Succeeded by | Ada Colau |
| Current Position | Member of the Barcelona City Council (since June 17, 2023) |
| Previous Government Roles | Minister of the Presidency of Catalonia (1996–2000), Minister of Health of Catalonia (1988–1996) |
| Congressional Role | Member of the Congress of Deputies (March 12, 2000 – April 2, 2004) |
| Parliamentary Role | Member of the Parliament of Catalonia (April 3, 1992 – January 25, 2000) |
| Personal Life | Married, 4 children, 6 grandchildren |
| Medical Training | Postgraduate training in Genova, Italy, and Bern, Switzerland |
| Early Medical Career | Pediatrician at Children’s Hospital in Vall d’Hebron (1974–1981) |
| COVID-19 | Hospitalized on March 29, 2020, and discharged on April 7, 2020, due to COVID-19 |
