[1] Rodríguez-Saá is in a relationship with Justicialist Party politician and deputy for Entre Ríos, Carolina Gaillard, with whom he has a son, Felipe, born in 2020.

From 2018 to 2019, Rodríguez-Saá was director of legal affairs at the municipality of José C. Paz Partido, in the administration of intendente Mario Alberto Ishii.

[5] Rodríguez-Saá ran for a seat in the Argentine Chamber of Deputies in the 2017 legislative election, as the 16th candidate in the Unidad Ciudadana list.

[8] As deputy, Rodríguez-Saá formed part of the parliamentary commissions on Political Trials, National Defense, Justice, Criminal Legislation, Foreign Affairs, and Internal Security.

[10][11] Ahead of the 2021 primary election, Rodríguez-Saá was confirmed as one of the alternate candidates in the Frente de Todos list in Buenos Aires Province.