Maite Aguirrezabal has a Law Degree from the University of Valparaíso, a Diploma in Legal Management of Organizations from the University of Valparaíso, a Diploma in Advanced Studies and a PHD (Law) from the University of Navarra. She also has a Master in Business Law from the Universidad de los Andes. She teaches Procedural Law at the Faculty of Law of the Universidad de los Andes. She is in charge of the PHD (Law) Program at the Universidad de los Andes and is part of the Research Council of the same University.

Her main lines of investigation are the collective procedures for the defense of class interests, effective judicial protection and access to justice. She has been the Responsible Researcher of the following projects: Fondecyt de Iniciación en la Investigación n° 11080052, "CRITICAL ANALYSIS OF THE COLLECTIVE PROCEDURE FOR THE DEFENSE OF THE CONSUMERS COLLECTIVE AND DIFFUSE INTERESTS"; Fondecyt Regular 1130462, "RECEPTION AND PROJECTION OF THE INNOVATIVE INJUNCTIONS IN THE CHILEAN PROCEDURAL SYSTEM"; Fondecyt Regular 1150276, "PROCEDURAL COLLABORATION AS A CONFIGURING ELEMENT OF THE PRINCIPLE DEVICE IN THE CIVIL PROCEDURE"; Fondecyt Regular 1200188, "CRITICAL REVIEW OF THE CLAIMS REMEDIES IN THE PUBLIC LAW FOR REGULATED MARKETS. A PROPOSAL FOR SYSTEMATIZATION FOR AN EFFECTIVE JUDICIAL PROTECTION" (currently in execution)