With the latter, he was elected to the Peruvian Congress in 2016.[64] As a member of the majority caucus, he was elected President of Congress in 2018, but quit the caucus as he supposedly received pressure from the Fujimorist leadership to undermine Martín Vizcarra's presidency.[65] As part of his campaign, Vizcarra remains his main political asset for his presidential run due to the former president's congressional candidacy for the constituency of Lima.[66] César Acuña is the founder and leader of Alliance for Progress.