[2] In 1984 Lamela graduated and received a law degree from Comillas Pontifical University (ICADE), and in 1986 she began working as a judge in Orihuela's trial court.

[4] In 1993 she moved to Madrid to work as magistrate at the trial court number 25.

[5][6] In 2010 Lamela was one of the candidates to join the Audiencia Nacional of Spain, she was nominated along with magistrates Pablo Ruz and Carmen Rodríguez-Medel by the governing body of the Audiencia Nacional in the permanent committee of the General Council of the Judiciary to serve at trial court number 5 after the preliminary suspension of judge Baltasar Garzón.

[5] On 28 September Lamela became the sitting magistrate for the court after Javier Gómez Bermúdez renounced his post to work as a lawyer.

[7] Lamela has managed various controversial court cases, like the one against Abengoa,[8] or the trial against Bancaja.