Born in Zaragozin 1972, Luis J. Esteban Lezaun studied law at UNED and political science at the university of Salamanca. In the 1990s he began working as an inspector at the Police School in Ávila, after getting the highest marks in the entrance exams. After 15 years in the police, after once again gaining the highest marks in a professional development course, he was promoted to Chief Inspector,