She is professor at the University of Zaragoza and currently the President of the Association Computability in Europe.
Mayordomo studied mathematics and computer science at the University of Zaragoza, graduating in 1990.
She obtained a doctorate at the Universitat Politècnica de Catalunya under the supervision of José Balcazar in 1994.
[1] After her Ph.D., she returned to the University of Zaragoza, first as instructor (1994–1996), then as Profesora Titular (1996–2007), and finally, from 2007, as Catedrática.
She served as the chair of the CiE Publications Committee and became the fourth President of the Association in 2020.