Born in Barcelona, his musical education, including piano, cello and voice, started at the Escolania de Montserrat. He held bachelor degrees in Choral Conducting and Singing from the ESMUC in Barcelona before going on to study at the Guildhall School. Operatic roles feature Il Conte (Le nozze di Figaro), Mercutio (Roméo et Juliette), Aeneas (Dido & Aeneas) o Tarquinius (The Rape of Lucretia), among others. As a lieder performer he has presented Die schöne Magelone, Lieder eines fahrenden Gesellen, Dichterliebe, Histoires Naturelles, La bonne chanson or An die ferne Geliebte at the Schubertíada, the LIFE Victoria and L'Auditori in Barcelona or the Teatro de la Zarzuela in Madrid. He has also taken part in the premieres of Catalan composers such as García-Demestres (L'eclipsi), Magrané (Diàlegs de Tirant e Carmesina) o García-Tomás (Chansons Trouvées).
Awarded the best pianist prizes at the Das Lied-International Song Competition in Heidelberg (2017) and at the Paula-Salomon-Lindberg-Liedwettbewerbs at Universität der Künste Berlin (2015), Guerrero has extensive training as a soloist. Established in Germany, she has in recent years focused exclusively on the lieder repertoire, after discovering her affinity for it in 2014. She is coursing the Master in Liedgestaltung programme at the Hochschule für Musik in Freiburg and is currently enrolled in Solistenexamen postgraduate studies at the Musikhochschule in Karlsruhe. She received scholarships from FrauenFörderStipendium and Asociación de Juventudes Musicales de Madrid, and has been a guest of several lied cycles in Germany, such as the 19 Bonner Schumannfests im Schumann-Haus in Bonn, the Festival im Frühling in Heidelberg, and the LiederAbend.de cycle in Freiburg.