César Valenzuela Maass

César Ignacio Valenzuela Maass (born 5 January 1989) is a Chilean lawyer and politician.

A member of the Socialist Party of Chile, he was elected as a member of the Constitutional Convention in 2021, representing the 9th District of the Metropolitan Region of Santiago.

In the elections held on 15–16 May 2021, Valenzuela ran as a candidate for the Constitutional Convention representing the 9th District of the Metropolitan Region on behalf of the Socialist Party of Chile, within the Apruebo electoral list. He obtained 9,592 votes, corresponding to 3.03% of the valid votes cast, and was elected as a member of the Convention.

During his tenure as a constitutional delegate, he was one of the coordinators of the Socialist Collective and served as coordinator of the Fundamental Rights Commission and of Subcommittee No. 4 within that commission.

In October 2022, he assumed the position of Head of the Victim Support Program of the Undersecretariat for Crime Prevention.