Eduardo Lust

In mid-2019, Lust accepted an invitation from Cabildo Abierto authorities to join the party and be a candidate for the Chamber of Representatives. In the 2019 general election he was elected National Representative for the 49th Legislature (2020–2025).^[7] During the parliamentary debate on the Urgent Consideration Law–a bill presented by the coalition government led by Luis Lacalle Pou–he gained high public exposure as a supporter of the bill due to being a constitutional lawyer.^[8][9]

On February 8, 2023, he announced his departure from Cabildo Abierto, citing philosophical differences with the party leadership.^[10][11] He also announced that he would not resign from his seat, but would remain as independent.^[12] During his term as Representative he was in favor of reforming the Code of Criminal Procedure.^[13]

In mid-2023, he announced the creation of a new political party with an ecological and green conservative tendency, and in December, the Electoral Court approved the creation of the Environmental Constitutional Party.^[14] In the 2024 presidential primaries, the party and Lust as its pre-candidate obtained 1,213 votes, surpassing the minimum of 500 required to participate in the general election.^[15] In August, lawyer and academic Luján Criado was confirmed as Lust's vice presidential running mate.^[16]

During the campaign, he announced that in the event of a runoff, he would support Álvaro Delgado Ceretta, the National Partynominee who was in second place in the polls.^[17] In the general election, Lust obtained 0.49% of the vote, failing to win a seat in parliament.^[18] He also announced his support for Delgado Ceretta for the runoff and his party joined the Republican Coalition.^[19]

He is married, and has three children: Sofía, Julieta and Hernán.^[20]