She was named Director of Tourism and Hospitality of the Basque Government in 2016. She served in that post until 2019, when she stood as the candidate of the Socialist Party for mayor of Vitoria-Gasteiz.[3] Despite most opinion polls predicting a poor result for her candidacy, she finished a close second behind Gorka Urtaran of the Basque Nationalist Party.[4] Her party entered a coalition with the Basque Nationalist Party after the election and she was subsequently named deputy mayor.[5]
She finished second again in the 2023 election, behind Rocío Vitero of EH Bildu.[6] In the aftermath of the election, she was elected mayor with the support of the Basque Nationalist Party and the People's Party.[7] She is the first woman to hold the post.