A member of the Justicialist Party affiliated with the Renewal Front, Arroyo served as Minister of Social Development of Buenos Aires Province in the cabinet of Governor Daniel Scioli.

[5] From then he went on to serve as Minister of Social Development in the Buenos Aires Province provincial cabinet of Governor Daniel Scioli, who reportedly sought him for his technical expertise in the field.

[6] As provincial minister he sought to implement the "Plan Más Vida", wherein the government distributed welfare cards to be used in food and other essential goods.

[10] He was also president of the corruption watchdog NGO Poder Ciudadano until 2013, when he stepped down to run for a seat in the Argentine Chamber of Deputies in the Renewal Front list.

Ahead of the 2021 primary elections, Arroyo was confirmed the 12th candidate in the Frente de Todos list to the Chamber of Deputies in Buenos Aires Province.